{"id":81666,"date":"2025-09-27T11:09:30","date_gmt":"2025-09-27T09:09:30","guid":{"rendered":"https:\/\/coelectrix.com\/como-usar-um-multimetro-e-diagnosticar-problemas-eletricos-no-seu-veiculo-passo-a-passo"},"modified":"2025-09-27T11:09:30","modified_gmt":"2025-09-27T09:09:30","slug":"como-usar-um-multimetro-e-diagnosticar-problemas-eletricos-no-seu-veiculo-passo-a-passo","status":"publish","type":"post","link":"https:\/\/coelectrix.com\/pt-pt\/blog\/como-usar-um-multimetro-e-diagnosticar-problemas-eletricos-no-seu-veiculo-passo-a-passo","title":{"rendered":"Como usar um mult\u00edmetro e diagnosticar problemas el\u00e9tricos no seu ve\u00edculo, passo a passo"},"content":{"rendered":"<p>\u00bfAlguna vez has tenido una luz que deja de funcionar, un enchufe de 12 V que no da corriente o una bater\u00eda que parece descargarse demasiado r\u00e1pido?<br data-start=\"418\" data-end=\"421\" \/>Con un <strong data-start=\"428\" data-end=\"442\">mult\u00edmetro<\/strong> puedes resolver la mayor\u00eda de estos problemas t\u00fa mismo o por lo menos poder detectarlos para despu\u00e9s acudir a un taller si no tienes claro como resolverlo.<br data-start=\"528\" data-end=\"531\" \/>En este tutorial aprender\u00e1s <strong data-start=\"559\" data-end=\"613\">c\u00f3mo usar un mult\u00edmetro en una instalaci\u00f3n de 12 V<\/strong> para comprobar voltaje, continuidad, consumo y detectar aver\u00edas comunes en tu veh\u00edculo.<\/p>\n<h3 data-start=\"156\" data-end=\"181\"><strong>\u00cdndice del art\u00edculo<\/strong><\/h3>\n<ol data-start=\"183\" data-end=\"1030\">\n<li data-start=\"183\" data-end=\"204\">\n<p data-start=\"186\" data-end=\"204\"><strong data-start=\"186\" data-end=\"202\">Introducci\u00f3n<\/strong><\/p>\n<\/li>\n<li data-start=\"205\" data-end=\"280\">\n<p data-start=\"208\" data-end=\"280\"><strong data-start=\"208\" data-end=\"278\">\u00bfQu\u00e9 es un mult\u00edmetro y para qu\u00e9 sirve en una instalaci\u00f3n de 12 V?<\/strong><\/p>\n<\/li>\n<li data-start=\"281\" data-end=\"331\">\n<p data-start=\"284\" data-end=\"331\"><strong data-start=\"284\" data-end=\"329\">Partes del mult\u00edmetro y c\u00f3mo configurarlo<\/strong><\/p>\n<\/li>\n<li data-start=\"332\" data-end=\"406\">\n<p data-start=\"335\" data-end=\"406\"><strong data-start=\"335\" data-end=\"404\">C\u00f3mo medir el voltaje de una bater\u00eda de 12 V (AGM\/Gel vs LiFePO\u2084)<\/strong><\/p>\n<\/li>\n<li data-start=\"407\" data-end=\"466\">\n<p data-start=\"410\" data-end=\"466\"><strong data-start=\"410\" data-end=\"464\">Comprobar continuidad y fusibles con el mult\u00edmetro<\/strong><\/p>\n<\/li>\n<li data-start=\"467\" data-end=\"533\">\n<p data-start=\"470\" data-end=\"533\"><strong data-start=\"470\" data-end=\"531\">C\u00f3mo medir el consumo de corriente de un dispositivo 12 V<\/strong><\/p>\n<\/li>\n<li data-start=\"534\" data-end=\"891\">\n<p data-start=\"537\" data-end=\"594\"><strong data-start=\"537\" data-end=\"592\">Detectar problemas el\u00e9ctricos comunes en una camper<\/strong><\/p>\n<ul data-start=\"598\" data-end=\"891\">\n<li data-start=\"598\" data-end=\"649\">\n<p data-start=\"600\" data-end=\"649\">7.1 Bater\u00eda descargada, da\u00f1ada o mal gestionada<\/p>\n<\/li>\n<li data-start=\"653\" data-end=\"712\">\n<p data-start=\"655\" data-end=\"712\">7.2 Masas (tomas de tierra) deficientes o con corrosi\u00f3n<\/p>\n<\/li>\n<li data-start=\"716\" data-end=\"772\">\n<p data-start=\"718\" data-end=\"772\">7.3 Fusibles fundidos o protecciones que se disparan<\/p>\n<\/li>\n<li data-start=\"776\" data-end=\"835\">\n<p data-start=\"778\" data-end=\"835\">7.4 Ca\u00eddas de tensi\u00f3n por cableado insuficiente o largo<\/p>\n<\/li>\n<li data-start=\"839\" data-end=\"891\">\n<p data-start=\"841\" data-end=\"891\">7.5 Dispositivos defectuosos o consumos fantasma<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li data-start=\"892\" data-end=\"956\">\n<p data-start=\"895\" data-end=\"956\"><strong data-start=\"895\" data-end=\"954\">Consejos de seguridad al trabajar con electricidad 12 V<\/strong><\/p>\n<\/li>\n<\/ol>\n<h2><strong>\u00bfQu\u00e9 es un mult\u00edmetro y para qu\u00e9 sirve en una instalaci\u00f3n de 12 V?<\/strong><\/h2>\n<p data-start=\"777\" data-end=\"971\">Un mult\u00edmetro (tambi\u00e9n llamado pol\u00edmetro o tester) es una herramienta que permite <strong data-start=\"850\" data-end=\"915\">medir voltaje, resistencia, continuidad y corriente el\u00e9ctrica<\/strong>.<br data-start=\"916\" data-end=\"919\" \/>En instalaciones camper resulta imprescindible para:<\/p>\n<ul data-start=\"973\" data-end=\"1205\">\n<li data-start=\"973\" data-end=\"1037\">\n<p data-start=\"975\" data-end=\"1037\">Saber si una <strong data-start=\"988\" data-end=\"1008\">bater\u00eda auxiliar<\/strong> est\u00e1 cargada o descargada.<\/p>\n<\/li>\n<li data-start=\"1038\" data-end=\"1092\">\n<p data-start=\"1040\" data-end=\"1092\">Comprobar si hay corriente en un circuito de 12 V.<\/p>\n<\/li>\n<li data-start=\"1093\" data-end=\"1132\">\n<p data-start=\"1095\" data-end=\"1132\">Ver si un <strong data-start=\"1105\" data-end=\"1129\">fusible est\u00e1 fundido<\/strong>.<\/p>\n<\/li>\n<li data-start=\"1133\" data-end=\"1205\">\n<p data-start=\"1135\" data-end=\"1205\">Medir el consumo de aparatos como luces LED, neveras o bombas de agua.<\/p>\n<\/li>\n<\/ul>\n<blockquote data-start=\"1207\" data-end=\"1343\">\n<p data-start=\"1209\" data-end=\"1343\">\ud83d\udd17 Mira nuestra selecci\u00f3n de <a class=\"decorated-link\" href=\"https:\/\/coelectrix.com\/pt-pt\" target=\"_new\" rel=\"noopener\" data-start=\"1238\" data-end=\"1307\"><strong data-start=\"1239\" data-end=\"1281\">mult\u00edmetros y herramientas de medici\u00f3n<\/strong><\/a> ideales para trabajos en veh\u00edculos.<\/p>\n<\/blockquote>\n<p data-start=\"1209\" data-end=\"1343\"><img fetchpriority=\"high\" decoding=\"async\" class=\" wp-image-79197 alignleft\" src=\"https:\/\/coelectrix.com\/wp-content\/uploads\/2025\/09\/Como-usar-un-multimetro-y-diagnosticar-problemas-electricos-en-tu-vehiculo-paso-a-paso-300x300.png\" alt=\"\" width=\"328\" height=\"328\" srcset=\"https:\/\/coelectrix.com\/wp-content\/uploads\/2025\/09\/Como-usar-un-multimetro-y-diagnosticar-problemas-electricos-en-tu-vehiculo-paso-a-paso-300x300.png 300w, https:\/\/coelectrix.com\/wp-content\/uploads\/2025\/09\/Como-usar-un-multimetro-y-diagnosticar-problemas-electricos-en-tu-vehiculo-paso-a-paso-150x150.png 150w, https:\/\/coelectrix.com\/wp-content\/uploads\/2025\/09\/Como-usar-un-multimetro-y-diagnosticar-problemas-electricos-en-tu-vehiculo-paso-a-paso-768x768.png 768w, https:\/\/coelectrix.com\/wp-content\/uploads\/2025\/09\/Como-usar-un-multimetro-y-diagnosticar-problemas-electricos-en-tu-vehiculo-paso-a-paso-196x196.png 196w, https:\/\/coelectrix.com\/wp-content\/uploads\/2025\/09\/Como-usar-un-multimetro-y-diagnosticar-problemas-electricos-en-tu-vehiculo-paso-a-paso-416x416.png 416w, https:\/\/coelectrix.com\/wp-content\/uploads\/2025\/09\/Como-usar-un-multimetro-y-diagnosticar-problemas-electricos-en-tu-vehiculo-paso-a-paso-100x100.png 100w, https:\/\/coelectrix.com\/wp-content\/uploads\/2025\/09\/Como-usar-un-multimetro-y-diagnosticar-problemas-electricos-en-tu-vehiculo-paso-a-paso-50x50.png 50w, https:\/\/coelectrix.com\/wp-content\/uploads\/2025\/09\/Como-usar-un-multimetro-y-diagnosticar-problemas-electricos-en-tu-vehiculo-paso-a-paso.png 1024w\" sizes=\"(max-width: 328px) 100vw, 328px\" \/><\/p>\n<h2 data-start=\"1209\" data-end=\"1343\"><strong>Partes del mult\u00edmetro y c\u00f3mo configurarlo<\/strong><\/h2>\n<ul data-start=\"1396\" data-end=\"1749\">\n<li data-start=\"1396\" data-end=\"1524\">\n<p data-start=\"1398\" data-end=\"1524\"><strong data-start=\"1398\" data-end=\"1423\">Selector de funciones<\/strong> \u2192 elige entre medir voltaje (V), resistencia (\u03a9), corriente (A) o continuidad (s\u00edmbolo de pitido).<\/p>\n<\/li>\n<li data-start=\"1525\" data-end=\"1572\">\n<p data-start=\"1527\" data-end=\"1572\"><strong data-start=\"1527\" data-end=\"1539\">Pantalla<\/strong> \u2192 donde ver\u00e1s el valor medido.<\/p>\n<\/li>\n<li data-start=\"1573\" data-end=\"1749\">\n<p data-start=\"1575\" data-end=\"1601\"><strong data-start=\"1575\" data-end=\"1598\">Puertos de conexi\u00f3n<\/strong>:<\/p>\n<ul data-start=\"1604\" data-end=\"1749\">\n<li data-start=\"1604\" data-end=\"1647\">\n<p data-start=\"1606\" data-end=\"1647\"><strong data-start=\"1606\" data-end=\"1621\">COM (negro)<\/strong> para la punta negativa.<\/p>\n<\/li>\n<li data-start=\"1650\" data-end=\"1697\">\n<p data-start=\"1652\" data-end=\"1697\"><strong data-start=\"1652\" data-end=\"1667\">V\u03a9mA (rojo)<\/strong> para voltaje y resistencia.<\/p>\n<\/li>\n<li data-start=\"1700\" data-end=\"1749\">\n<p data-start=\"1702\" data-end=\"1749\"><strong data-start=\"1702\" data-end=\"1720\">10A\/20A (rojo)<\/strong> para medir corrientes altas.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<blockquote data-start=\"1751\" data-end=\"1881\">\n<p data-start=\"1753\" data-end=\"1881\">\u26a0\ufe0f <strong data-start=\"1756\" data-end=\"1768\">Consejo:<\/strong> conecta siempre primero el cable negro al puerto COM y aseg\u00farate de seleccionar el modo correcto antes de medir.<\/p>\n<\/blockquote>\n<h2 data-start=\"1753\" data-end=\"1881\"><strong>Medir el voltaje de una bater\u00eda de 12 V (AGM\/Gel vs LiFePO\u2084)<\/strong><\/h2>\n<p>El primer diagn\u00f3stico b\u00e1sico es comprobar el voltaje en reposo (sin consumo ni carga al menos 30 min).<br data-start=\"2055\" data-end=\"2058\" \/>Selecciona en el mult\u00edmetro <strong data-start=\"2086\" data-end=\"2094\">V DC<\/strong>, conecta <strong data-start=\"2104\" data-end=\"2118\">negro al \u2013<\/strong> y <strong data-start=\"2121\" data-end=\"2134\">rojo al +<\/strong>.<\/p>\n<p><img decoding=\"async\" class=\"alignnone wp-image-79200\" src=\"https:\/\/coelectrix.com\/wp-content\/uploads\/2025\/09\/medir-voltaje-de-una-bateria-con-multimetro-300x300.png\" alt=\"\" width=\"334\" height=\"334\" srcset=\"https:\/\/coelectrix.com\/wp-content\/uploads\/2025\/09\/medir-voltaje-de-una-bateria-con-multimetro-300x300.png 300w, https:\/\/coelectrix.com\/wp-content\/uploads\/2025\/09\/medir-voltaje-de-una-bateria-con-multimetro-150x150.png 150w, https:\/\/coelectrix.com\/wp-content\/uploads\/2025\/09\/medir-voltaje-de-una-bateria-con-multimetro-768x768.png 768w, https:\/\/coelectrix.com\/wp-content\/uploads\/2025\/09\/medir-voltaje-de-una-bateria-con-multimetro-196x196.png 196w, https:\/\/coelectrix.com\/wp-content\/uploads\/2025\/09\/medir-voltaje-de-una-bateria-con-multimetro-416x416.png 416w, https:\/\/coelectrix.com\/wp-content\/uploads\/2025\/09\/medir-voltaje-de-una-bateria-con-multimetro-100x100.png 100w, https:\/\/coelectrix.com\/wp-content\/uploads\/2025\/09\/medir-voltaje-de-una-bateria-con-multimetro-50x50.png 50w, https:\/\/coelectrix.com\/wp-content\/uploads\/2025\/09\/medir-voltaje-de-una-bateria-con-multimetro.png 1024w\" sizes=\"(max-width: 334px) 100vw, 334px\" \/><\/p>\n<table style=\"height: 324px;\" width=\"1124\">\n<thead>\n<tr>\n<th>Estado aproximado<\/th>\n<th>AGM\/Gel (plomo-\u00e1cido)<\/th>\n<th>LiFePO\u2084 (LFP)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>100 % carga<\/strong><\/td>\n<td>12,6 \u2013 12,8 V<\/td>\n<td>13,3 \u2013 13,6 V<\/td>\n<\/tr>\n<tr>\n<td><strong>75 %<\/strong><\/td>\n<td>~12,4 V<\/td>\n<td>~13,2 V<\/td>\n<\/tr>\n<tr>\n<td><strong>50 %<\/strong><\/td>\n<td>~12,2 V<\/td>\n<td>~13,1 V<\/td>\n<\/tr>\n<tr>\n<td><strong>25 %<\/strong><\/td>\n<td>~12,0 V<\/td>\n<td>~13,0 V<\/td>\n<\/tr>\n<tr>\n<td><strong>Descargada<\/strong><\/td>\n<td>&lt; 11,8 V<\/td>\n<td>&lt; 12,8 V<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<blockquote data-start=\"2566\" data-end=\"2970\">\n<p data-start=\"2568\" data-end=\"2587\"><strong data-start=\"2570\" data-end=\"2585\">Importante:<\/strong><\/p>\n<ul data-start=\"2590\" data-end=\"2970\">\n<li data-start=\"2590\" data-end=\"2858\">\n<p data-start=\"2592\" data-end=\"2858\">Las <strong data-start=\"2596\" data-end=\"2607\">LiFePO\u2084<\/strong> mantienen voltaje casi plano durante la descarga y caen bruscamente al final; por eso un 13,0 V puede significar desde 25 % hasta casi 100 % seg\u00fan el BMS. Lo ideal es combinar el volt\u00edmetro con un <strong data-start=\"2805\" data-end=\"2827\">monitor de bater\u00eda<\/strong> (p. ej. Victron SmartShunt).<\/p>\n<\/li>\n<li data-start=\"2861\" data-end=\"2970\">\n<p data-start=\"2863\" data-end=\"2970\">Las <strong data-start=\"2867\" data-end=\"2878\">AGM\/Gel<\/strong> tienen una curva m\u00e1s progresiva: puedes estimar el % de carga mirando el voltaje en reposo.<\/p>\n<\/li>\n<\/ul>\n<\/blockquote>\n<blockquote data-start=\"2972\" data-end=\"3094\">\n<p data-start=\"2974\" data-end=\"3094\">\ud83d\udd17 Si tu bater\u00eda est\u00e1 baja o quieres m\u00e1s autonom\u00eda, mira nuestras <a class=\"decorated-link\" href=\"https:\/\/coelectrix.com\/pt-pt\/baterias-agm-e-de-litio\" target=\"_blank\" rel=\"noopener\" data-start=\"3040\" data-end=\"3093\"><strong data-start=\"3041\" data-end=\"3067\">bater\u00edas AGM y LiFePO\u2084<\/strong><\/a>.<\/p>\n<\/blockquote>\n<h2 data-start=\"2974\" data-end=\"3094\"><strong>Comprobar continuidad y fusibles<\/strong><\/h2>\n<p><img decoding=\"async\" class=\"alignnone wp-image-79203\" src=\"https:\/\/coelectrix.com\/wp-content\/uploads\/2025\/09\/medir-continuidad-en-fusible-con-tester-o-multimetro-300x300.png\" alt=\"\" width=\"336\" height=\"336\" srcset=\"https:\/\/coelectrix.com\/wp-content\/uploads\/2025\/09\/medir-continuidad-en-fusible-con-tester-o-multimetro-300x300.png 300w, https:\/\/coelectrix.com\/wp-content\/uploads\/2025\/09\/medir-continuidad-en-fusible-con-tester-o-multimetro-150x150.png 150w, https:\/\/coelectrix.com\/wp-content\/uploads\/2025\/09\/medir-continuidad-en-fusible-con-tester-o-multimetro-768x768.png 768w, https:\/\/coelectrix.com\/wp-content\/uploads\/2025\/09\/medir-continuidad-en-fusible-con-tester-o-multimetro-196x196.png 196w, https:\/\/coelectrix.com\/wp-content\/uploads\/2025\/09\/medir-continuidad-en-fusible-con-tester-o-multimetro-416x416.png 416w, https:\/\/coelectrix.com\/wp-content\/uploads\/2025\/09\/medir-continuidad-en-fusible-con-tester-o-multimetro-100x100.png 100w, https:\/\/coelectrix.com\/wp-content\/uploads\/2025\/09\/medir-continuidad-en-fusible-con-tester-o-multimetro-50x50.png 50w, https:\/\/coelectrix.com\/wp-content\/uploads\/2025\/09\/medir-continuidad-en-fusible-con-tester-o-multimetro.png 1024w\" sizes=\"(max-width: 336px) 100vw, 336px\" \/><\/p>\n<ol data-start=\"3138\" data-end=\"3410\">\n<li data-start=\"3138\" data-end=\"3203\">\n<p data-start=\"3141\" data-end=\"3203\">Pon el mult\u00edmetro en modo <strong data-start=\"3167\" data-end=\"3182\">continuidad<\/strong> (icono de pitido).<\/p>\n<\/li>\n<li data-start=\"3204\" data-end=\"3277\">\n<p data-start=\"3207\" data-end=\"3277\">Coloca las puntas a ambos lados del fusible o del cable a comprobar.<\/p>\n<\/li>\n<li data-start=\"3278\" data-end=\"3410\">\n<p data-start=\"3281\" data-end=\"3410\">Si el mult\u00edmetro pita o marca 0 \u03a9, hay continuidad; si no pita o marca infinito, el fusible est\u00e1 fundido o el cable est\u00e1 cortado.<\/p>\n<\/li>\n<\/ol>\n<blockquote data-start=\"3412\" data-end=\"3512\">\n<p data-start=\"3414\" data-end=\"3512\">\ud83d\udd17 Encuentra <a class=\"decorated-link\" href=\"https:\/\/coelectrix.com\/pt-pt\/fusiveis\" target=\"_blank\" rel=\"noopener\" data-start=\"3427\" data-end=\"3482\"><strong data-start=\"3428\" data-end=\"3456\">fusibles y portafusibles<\/strong><\/a> para proteger tu instalaci\u00f3n.<\/p>\n<\/blockquote>\n<h2 data-start=\"3414\" data-end=\"3512\"><strong>Medir el consumo de corriente de un dispositivo 12 V<\/strong><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-79205\" src=\"https:\/\/coelectrix.com\/wp-content\/uploads\/2025\/09\/Proyecto-nuevo-3-300x300.png\" alt=\"\" width=\"372\" height=\"372\" srcset=\"https:\/\/coelectrix.com\/wp-content\/uploads\/2025\/09\/Proyecto-nuevo-3-300x300.png 300w, https:\/\/coelectrix.com\/wp-content\/uploads\/2025\/09\/Proyecto-nuevo-3-150x150.png 150w, https:\/\/coelectrix.com\/wp-content\/uploads\/2025\/09\/Proyecto-nuevo-3-768x768.png 768w, https:\/\/coelectrix.com\/wp-content\/uploads\/2025\/09\/Proyecto-nuevo-3-196x196.png 196w, https:\/\/coelectrix.com\/wp-content\/uploads\/2025\/09\/Proyecto-nuevo-3-416x416.png 416w, https:\/\/coelectrix.com\/wp-content\/uploads\/2025\/09\/Proyecto-nuevo-3-100x100.png 100w, https:\/\/coelectrix.com\/wp-content\/uploads\/2025\/09\/Proyecto-nuevo-3-50x50.png 50w, https:\/\/coelectrix.com\/wp-content\/uploads\/2025\/09\/Proyecto-nuevo-3.png 800w\" sizes=\"(max-width: 372px) 100vw, 372px\" \/><\/p>\n<ol data-start=\"253\" data-end=\"881\">\n<li data-start=\"253\" data-end=\"354\">\n<p data-start=\"256\" data-end=\"354\"><strong data-start=\"256\" data-end=\"288\">Selecciona el modo adecuado:<\/strong> pon el mult\u00edmetro en <strong data-start=\"310\" data-end=\"318\">A DC<\/strong> (amperios en corriente continua).<\/p>\n<\/li>\n<li data-start=\"355\" data-end=\"494\">\n<p data-start=\"358\" data-end=\"397\"><strong data-start=\"358\" data-end=\"395\">Conecta las puntas correctamente:<\/strong><\/p>\n<ul data-start=\"401\" data-end=\"494\">\n<li data-start=\"401\" data-end=\"422\">\n<p data-start=\"403\" data-end=\"422\">Negro en <strong data-start=\"412\" data-end=\"419\">COM<\/strong>.<\/p>\n<\/li>\n<li data-start=\"426\" data-end=\"494\">\n<p data-start=\"428\" data-end=\"494\">Rojo en la toma de <strong data-start=\"447\" data-end=\"455\">10 A<\/strong> (o la indicada para alta corriente).<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li data-start=\"495\" data-end=\"615\">\n<p data-start=\"498\" data-end=\"615\"><strong data-start=\"498\" data-end=\"519\">Abre el circuito:<\/strong> desconecta el cable positivo que alimenta el dispositivo para poder \u201cinsertar\u201d el mult\u00edmetro.<\/p>\n<\/li>\n<li data-start=\"616\" data-end=\"809\">\n<p data-start=\"619\" data-end=\"642\"><strong data-start=\"619\" data-end=\"640\">Conecta en serie:<\/strong><\/p>\n<ul data-start=\"646\" data-end=\"809\">\n<li data-start=\"646\" data-end=\"694\">\n<p data-start=\"648\" data-end=\"694\">Punta roja al cable que viene de la bater\u00eda.<\/p>\n<\/li>\n<li data-start=\"698\" data-end=\"809\">\n<p data-start=\"700\" data-end=\"809\">Punta negra al cable que va hacia el dispositivo.<br data-start=\"749\" data-end=\"752\" \/>As\u00ed la corriente debe pasar a trav\u00e9s del mult\u00edmetro.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li data-start=\"810\" data-end=\"881\">\n<p data-start=\"813\" data-end=\"881\"><strong data-start=\"813\" data-end=\"836\">Enciende el aparato<\/strong> y lee el consumo en amperios en la pantalla.<\/p>\n<\/li>\n<\/ol>\n<blockquote data-start=\"883\" data-end=\"1175\">\n<p data-start=\"885\" data-end=\"905\">\u26a0\ufe0f <strong data-start=\"888\" data-end=\"903\">Importante:<\/strong><\/p>\n<ul data-start=\"908\" data-end=\"1175\">\n<li data-start=\"908\" data-end=\"1015\">\n<p data-start=\"910\" data-end=\"1015\">Comprueba que el consumo m\u00e1ximo del aparato no supera la capacidad del puerto usado (normalmente 10 A).<\/p>\n<\/li>\n<li data-start=\"1018\" data-end=\"1085\">\n<p data-start=\"1020\" data-end=\"1085\">Si esperas m\u00e1s de 10 A, usa una pinza amperim\u00e9trica o un shunt.<\/p>\n<\/li>\n<li data-start=\"1088\" data-end=\"1175\">\n<p data-start=\"1090\" data-end=\"1175\">Nunca midas corriente en paralelo (como si fuera voltaje) porque provocar\u00e1s un corto.<\/p>\n<\/li>\n<\/ul>\n<\/blockquote>\n<p data-start=\"3864\" data-end=\"4091\"><br data-start=\"3948\" data-end=\"3951\" \/>\ud83d\udd17 Si quieres medir consumos de luces y accesorios, revisa nuestras <a class=\"decorated-link\" href=\"https:\/\/coelectrix.com\/pt-pt\/iluminacao-12v\" target=\"_blank\" rel=\"noopener\" data-start=\"4021\" data-end=\"4090\"><strong data-start=\"4022\" data-end=\"4064\">tiras LED y componentes de iluminaci\u00f3n<\/strong><\/a>.<\/p>\n<p>&nbsp;<\/p>\n<h2 data-start=\"3864\" data-end=\"4091\"><strong>Detectar los 5 problemas el\u00e9ctricos m\u00e1s comunes en un veh\u00edculo<\/strong><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-79210\" src=\"https:\/\/coelectrix.com\/wp-content\/uploads\/2025\/09\/diacnosticar-fallos-electricos-con-tester-300x200.png\" alt=\"\" width=\"392\" height=\"261\" srcset=\"https:\/\/coelectrix.com\/wp-content\/uploads\/2025\/09\/diacnosticar-fallos-electricos-con-tester-300x200.png 300w, https:\/\/coelectrix.com\/wp-content\/uploads\/2025\/09\/diacnosticar-fallos-electricos-con-tester-1024x683.png 1024w, https:\/\/coelectrix.com\/wp-content\/uploads\/2025\/09\/diacnosticar-fallos-electricos-con-tester-768x512.png 768w, https:\/\/coelectrix.com\/wp-content\/uploads\/2025\/09\/diacnosticar-fallos-electricos-con-tester-416x277.png 416w, https:\/\/coelectrix.com\/wp-content\/uploads\/2025\/09\/diacnosticar-fallos-electricos-con-tester.png 1536w\" sizes=\"(max-width: 392px) 100vw, 392px\" \/><\/p>\n<p>Uno de los usos m\u00e1s valiosos del mult\u00edmetro es <strong data-start=\"403\" data-end=\"424\">localizar aver\u00edas<\/strong> en la instalaci\u00f3n de 12 V de un coche, autocaravana o veh\u00edculo camper.<br data-start=\"500\" data-end=\"503\" \/>La clave est\u00e1 en seguir un orden l\u00f3gico: <strong data-start=\"544\" data-end=\"609\">bater\u00eda \u2192 masas \u2192 fusibles\/protecciones \u2192 cableado \u2192 consumos<\/strong>.<br data-start=\"610\" data-end=\"613\" \/>As\u00ed evitar\u00e1s perder tiempo y sabr\u00e1s exactamente d\u00f3nde actuar.<\/p>\n<h3><strong>1. Bater\u00eda descargada, da\u00f1ada o mal gestionada<\/strong><\/h3>\n<p data-start=\"736\" data-end=\"763\"><strong data-start=\"736\" data-end=\"763\">S\u00edntomas m\u00e1s frecuentes<\/strong><\/p>\n<ul data-start=\"764\" data-end=\"937\">\n<li data-start=\"764\" data-end=\"820\">\n<p data-start=\"766\" data-end=\"820\">Luces que se aten\u00faan cuando enciendes varios aparatos.<\/p>\n<\/li>\n<li data-start=\"821\" data-end=\"875\">\n<p data-start=\"823\" data-end=\"875\">Nevera o calefacci\u00f3n que se apagan a mitad de noche.<\/p>\n<\/li>\n<li data-start=\"876\" data-end=\"937\">\n<p data-start=\"878\" data-end=\"937\">Inversor que se desconecta al arrancar un electrodom\u00e9stico.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"939\" data-end=\"960\"><strong data-start=\"939\" data-end=\"960\">C\u00f3mo diagnosticar<\/strong><\/p>\n<ol data-start=\"961\" data-end=\"1448\">\n<li data-start=\"961\" data-end=\"1030\">\n<p data-start=\"964\" data-end=\"1030\">Deja la bater\u00eda en reposo al menos 30 min sin consumos ni carga.<\/p>\n<\/li>\n<li data-start=\"1031\" data-end=\"1242\">\n<p data-start=\"1034\" data-end=\"1099\">Con el mult\u00edmetro en <strong data-start=\"1055\" data-end=\"1063\">V DC<\/strong>, mide directamente en los bornes:<\/p>\n<ul data-start=\"1103\" data-end=\"1242\">\n<li data-start=\"1103\" data-end=\"1174\">\n<p data-start=\"1105\" data-end=\"1174\"><strong data-start=\"1105\" data-end=\"1117\">AGM\/Gel:<\/strong> 12,6\u201312,8 V = llena, 12,2 V \u224850 %, &lt;11,8 V casi vac\u00eda.<\/p>\n<\/li>\n<li data-start=\"1178\" data-end=\"1242\">\n<p data-start=\"1180\" data-end=\"1242\"><strong data-start=\"1180\" data-end=\"1192\">LiFePO\u2084:<\/strong> 13,3\u201313,6 V llena, 13,1 V \u224850 %, &lt;12,8 V vac\u00eda.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li data-start=\"1243\" data-end=\"1448\">\n<p data-start=\"1246\" data-end=\"1448\">Haz una <strong data-start=\"1254\" data-end=\"1273\">prueba de carga<\/strong>: conecta un consumo (luces, calefacci\u00f3n, etc.) y observa la ca\u00edda de tensi\u00f3n. Si baja r\u00e1pido de 11 V (plomo) o 12,5 V (LiFePO\u2084) la bater\u00eda puede estar da\u00f1ada o desbalanceada.<\/p>\n<\/li>\n<\/ol>\n<p data-start=\"1450\" data-end=\"1473\"><strong data-start=\"1450\" data-end=\"1473\">Soluciones posibles<\/strong><\/p>\n<ul data-start=\"1474\" data-end=\"1652\">\n<li data-start=\"1474\" data-end=\"1526\">\n<p data-start=\"1476\" data-end=\"1526\">Recargar completamente con un cargador adecuado.<\/p>\n<\/li>\n<li data-start=\"1527\" data-end=\"1603\">\n<p data-start=\"1529\" data-end=\"1603\">Revisar el BMS en LiFePO\u2084 (puede estar bloqueado o equilibrando celdas).<\/p>\n<\/li>\n<li data-start=\"1604\" data-end=\"1652\">\n<p data-start=\"1606\" data-end=\"1652\">Sustituir la bater\u00eda si no mantiene tensi\u00f3n.<\/p>\n<\/li>\n<\/ul>\n<h3><strong>2. Masas (tomas de tierra) deficientes o con corrosi\u00f3n<\/strong><\/h3>\n<p data-start=\"1790\" data-end=\"1817\"><strong data-start=\"1790\" data-end=\"1817\">S\u00edntomas m\u00e1s frecuentes<\/strong><\/p>\n<ul data-start=\"1818\" data-end=\"1950\">\n<li data-start=\"1818\" data-end=\"1862\">\n<p data-start=\"1820\" data-end=\"1862\">Dispositivos que encienden solo a veces.<\/p>\n<\/li>\n<li data-start=\"1863\" data-end=\"1908\">\n<p data-start=\"1865\" data-end=\"1908\">Bombas que funcionan pero pierden fuerza.<\/p>\n<\/li>\n<li data-start=\"1909\" data-end=\"1950\">\n<p data-start=\"1911\" data-end=\"1950\">Chispazos o calor en uniones met\u00e1licas.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1952\" data-end=\"1973\"><strong data-start=\"1952\" data-end=\"1973\">C\u00f3mo diagnosticar<\/strong><\/p>\n<ol data-start=\"1974\" data-end=\"2217\">\n<li data-start=\"1974\" data-end=\"2052\">\n<p data-start=\"1977\" data-end=\"2052\">Punta negra al negativo de la bater\u00eda, punta roja al negativo del equipo.<\/p>\n<\/li>\n<li data-start=\"2053\" data-end=\"2129\">\n<p data-start=\"2056\" data-end=\"2129\">Si ves <strong data-start=\"2063\" data-end=\"2087\">&gt;0,3 V de diferencia<\/strong>, hay resistencia indeseada (masa mala).<\/p>\n<\/li>\n<li data-start=\"2130\" data-end=\"2217\">\n<p data-start=\"2133\" data-end=\"2217\">Mide tambi\u00e9n continuidad entre el chasis y el negativo principal: debe ser casi 0 \u03a9.<\/p>\n<\/li>\n<\/ol>\n<p data-start=\"2219\" data-end=\"2242\"><strong data-start=\"2219\" data-end=\"2242\">Soluciones posibles<\/strong><\/p>\n<ul data-start=\"2243\" data-end=\"2434\">\n<li data-start=\"2243\" data-end=\"2289\">\n<p data-start=\"2245\" data-end=\"2289\">Lijar \u00f3xido y pintura en el punto de masa.<\/p>\n<\/li>\n<li data-start=\"2290\" data-end=\"2349\">\n<p data-start=\"2292\" data-end=\"2349\">Usar arandelas de estrella o terminales bien crimpados.<\/p>\n<\/li>\n<li data-start=\"2350\" data-end=\"2434\">\n<p data-start=\"2352\" data-end=\"2434\">Reforzar masas con <strong data-start=\"2371\" data-end=\"2398\">cables de buena secci\u00f3n<\/strong> y proteger con grasa diel\u00e9ctrica.<\/p>\n<\/li>\n<\/ul>\n<h3><strong>3. Fusibles fundidos o protecciones que se disparan<\/strong><\/h3>\n<p data-start=\"2572\" data-end=\"2599\"><strong data-start=\"2572\" data-end=\"2599\">S\u00edntomas m\u00e1s frecuentes<\/strong><\/p>\n<ul data-start=\"2600\" data-end=\"2759\">\n<li data-start=\"2600\" data-end=\"2643\">\n<p data-start=\"2602\" data-end=\"2643\">Un circuito deja de funcionar de golpe.<\/p>\n<\/li>\n<li data-start=\"2644\" data-end=\"2701\">\n<p data-start=\"2646\" data-end=\"2701\">No hay voltaje tras un portafusibles aunque antes s\u00ed.<\/p>\n<\/li>\n<li data-start=\"2702\" data-end=\"2759\">\n<p data-start=\"2704\" data-end=\"2759\">Interruptor autom\u00e1tico que salta al encender un equipo.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2761\" data-end=\"2782\"><strong data-start=\"2761\" data-end=\"2782\">C\u00f3mo diagnosticar<\/strong><\/p>\n<ol data-start=\"2783\" data-end=\"3162\">\n<li data-start=\"2783\" data-end=\"2875\">\n<p data-start=\"2786\" data-end=\"2875\">Con el mult\u00edmetro en <strong data-start=\"2807\" data-end=\"2831\">continuidad (pitido)<\/strong>, mide el fusible fuera del portafusibles.<\/p>\n<\/li>\n<li data-start=\"2876\" data-end=\"2906\">\n<p data-start=\"2879\" data-end=\"2906\">Si no pita, est\u00e1 fundido.<\/p>\n<\/li>\n<li data-start=\"2907\" data-end=\"3012\">\n<p data-start=\"2910\" data-end=\"3012\">En instalaciones con disyuntores, mide antes y despu\u00e9s: debe haber el mismo voltaje si est\u00e1 cerrado.<\/p>\n<\/li>\n<li data-start=\"3013\" data-end=\"3162\">\n<p data-start=\"3016\" data-end=\"3162\">Si el fusible se quema repetidamente, hay <strong data-start=\"3058\" data-end=\"3092\">sobrecorriente o cortocircuito<\/strong>: busca cables da\u00f1ados o dispositivos que consumen m\u00e1s de lo previsto.<\/p>\n<\/li>\n<\/ol>\n<p data-start=\"3164\" data-end=\"3187\"><strong data-start=\"3164\" data-end=\"3187\">Soluciones posibles<\/strong><\/p>\n<ul data-start=\"3188\" data-end=\"3334\">\n<li data-start=\"3188\" data-end=\"3252\">\n<p data-start=\"3190\" data-end=\"3252\">Sustituir el fusible por otro <strong data-start=\"3220\" data-end=\"3242\">del mismo amperaje<\/strong> y tipo.<\/p>\n<\/li>\n<li data-start=\"3253\" data-end=\"3334\">\n<p data-start=\"3255\" data-end=\"3334\">Revisar consumos reales con el mult\u00edmetro para no sobredimensionar circuitos.<\/p>\n<\/li>\n<\/ul>\n<h3><strong>4. Ca\u00eddas de tensi\u00f3n por cableado insuficiente o largo<\/strong><\/h3>\n<p data-start=\"3473\" data-end=\"3500\"><strong data-start=\"3473\" data-end=\"3500\">S\u00edntomas m\u00e1s frecuentes<\/strong><\/p>\n<ul data-start=\"3501\" data-end=\"3671\">\n<li data-start=\"3501\" data-end=\"3558\">\n<p data-start=\"3503\" data-end=\"3558\">Luces LED que se aten\u00faan al encender varios aparatos.<\/p>\n<\/li>\n<li data-start=\"3559\" data-end=\"3621\">\n<p data-start=\"3561\" data-end=\"3621\">Frigor\u00edfico o inversor que se apaga al arrancar compresor.<\/p>\n<\/li>\n<li data-start=\"3622\" data-end=\"3671\">\n<p data-start=\"3624\" data-end=\"3671\">Ventiladores que giran m\u00e1s lentos de lo normal.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3673\" data-end=\"3694\"><strong data-start=\"3673\" data-end=\"3694\">C\u00f3mo diagnosticar<\/strong><\/p>\n<ol data-start=\"3695\" data-end=\"4007\">\n<li data-start=\"3695\" data-end=\"3753\">\n<p data-start=\"3698\" data-end=\"3753\">Mide voltaje directamente en la bater\u00eda (ej. 12,6 V).<\/p>\n<\/li>\n<li data-start=\"3754\" data-end=\"3933\">\n<p data-start=\"3757\" data-end=\"3812\">Mide voltaje en el aparato mientras est\u00e1 funcionando:<\/p>\n<ul data-start=\"3816\" data-end=\"3933\">\n<li data-start=\"3816\" data-end=\"3873\">\n<p data-start=\"3818\" data-end=\"3873\">Diferencia aceptable &lt;0,3\u20130,5 V en consumos peque\u00f1os.<\/p>\n<\/li>\n<li data-start=\"3877\" data-end=\"3933\">\n<p data-start=\"3879\" data-end=\"3933\">Si pierdes &gt;1 V, el cable es demasiado fino o largo.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li data-start=\"3934\" data-end=\"4007\">\n<p data-start=\"3937\" data-end=\"4007\">Haz mediciones intermedias para localizar el tramo con ca\u00edda excesiva.<\/p>\n<\/li>\n<\/ol>\n<p data-start=\"4009\" data-end=\"4032\"><strong data-start=\"4009\" data-end=\"4032\">Soluciones posibles<\/strong><\/p>\n<ul data-start=\"4033\" data-end=\"4207\">\n<li data-start=\"4033\" data-end=\"4110\">\n<p data-start=\"4035\" data-end=\"4110\">Sustituir el cable por uno de <strong data-start=\"4065\" data-end=\"4082\">mayor secci\u00f3n<\/strong> (consulta tabla AWG\/mm\u00b2).<\/p>\n<\/li>\n<li data-start=\"4111\" data-end=\"4158\">\n<p data-start=\"4113\" data-end=\"4158\">Mantener la distancia lo m\u00e1s corta posible.<\/p>\n<\/li>\n<li data-start=\"4159\" data-end=\"4207\">\n<p data-start=\"4161\" data-end=\"4207\">A\u00f1adir fusible adecuado cerca de la bater\u00eda.<\/p>\n<\/li>\n<\/ul>\n<h3><strong>5. Dispositivos defectuosos o consumos fantasma<\/strong><\/h3>\n<p data-start=\"4348\" data-end=\"4375\"><strong data-start=\"4348\" data-end=\"4375\">S\u00edntomas m\u00e1s frecuentes<\/strong><\/p>\n<ul data-start=\"4376\" data-end=\"4502\">\n<li data-start=\"4376\" data-end=\"4431\">\n<p data-start=\"4378\" data-end=\"4431\">Bater\u00eda que se descarga aunque todo parece apagado.<\/p>\n<\/li>\n<li data-start=\"4432\" data-end=\"4502\">\n<p data-start=\"4434\" data-end=\"4502\">Dispositivo que al conectarlo hace caer toda la tensi\u00f3n del sistema.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"4504\" data-end=\"4525\"><strong data-start=\"4504\" data-end=\"4525\">C\u00f3mo diagnosticar<\/strong><\/p>\n<ol data-start=\"4526\" data-end=\"4853\">\n<li data-start=\"4526\" data-end=\"4726\">\n<p data-start=\"4529\" data-end=\"4626\">Desconecta todo y mide consumo total poniendo el mult\u00edmetro <strong data-start=\"4589\" data-end=\"4601\">en serie<\/strong> con el borne negativo:<\/p>\n<ul data-start=\"4630\" data-end=\"4726\">\n<li data-start=\"4630\" data-end=\"4689\">\n<p data-start=\"4632\" data-end=\"4689\">\u22640,05\u20130,1 A suele ser normal (alarma, monitor bater\u00eda).<\/p>\n<\/li>\n<li data-start=\"4693\" data-end=\"4726\">\n<blockquote data-start=\"4695\" data-end=\"4726\">\n<p data-start=\"4696\" data-end=\"4726\">0,2 A indica consumo oculto.<\/p>\n<\/blockquote>\n<\/li>\n<\/ul>\n<\/li>\n<li data-start=\"4727\" data-end=\"4782\">\n<p data-start=\"4730\" data-end=\"4782\">Ve conectando uno a uno para detectar el culpable.<\/p>\n<\/li>\n<li data-start=\"4783\" data-end=\"4853\">\n<p data-start=\"4786\" data-end=\"4853\">Comprueba el estado de cables y conectores del equipo problem\u00e1tico.<\/p>\n<\/li>\n<\/ol>\n<p data-start=\"4855\" data-end=\"4878\"><strong data-start=\"4855\" data-end=\"4878\">Soluciones posibles<\/strong><\/p>\n<ul data-start=\"4879\" data-end=\"5056\">\n<li data-start=\"4879\" data-end=\"4953\">\n<p data-start=\"4881\" data-end=\"4953\">Instalar un <strong data-start=\"4893\" data-end=\"4911\">cortacorriente<\/strong> para aislar la bater\u00eda cuando aparques.<\/p>\n<\/li>\n<li data-start=\"4954\" data-end=\"5011\">\n<p data-start=\"4956\" data-end=\"5011\">Sustituir el dispositivo que genera consumo residual.<\/p>\n<\/li>\n<li data-start=\"5012\" data-end=\"5056\">\n<p data-start=\"5014\" data-end=\"5056\">Rehacer conexiones da\u00f1adas o sulfatadas.<\/p>\n<\/li>\n<\/ul>\n<h2 data-start=\"5138\" data-end=\"5176\"><strong>Consejos r\u00e1pidos de diagn\u00f3stico<\/strong><\/h2>\n<ul data-start=\"5178\" data-end=\"5526\">\n<li data-start=\"5178\" data-end=\"5258\">\n<p data-start=\"5180\" data-end=\"5258\"><strong data-start=\"5180\" data-end=\"5215\">Empieza siempre por la bater\u00eda:<\/strong> es el origen de la mayor\u00eda de problemas.<\/p>\n<\/li>\n<li data-start=\"5259\" data-end=\"5340\">\n<p data-start=\"5261\" data-end=\"5340\"><strong data-start=\"5261\" data-end=\"5323\">Usa el mult\u00edmetro en modo volt\u00edmetro antes de continuidad:<\/strong> evitas cortos.<\/p>\n<\/li>\n<li data-start=\"5341\" data-end=\"5440\">\n<p data-start=\"5343\" data-end=\"5440\"><strong data-start=\"5343\" data-end=\"5372\">Documenta tus mediciones:<\/strong> anotar voltajes ayuda a comparar y detectar fallos intermitentes.<\/p>\n<\/li>\n<li data-start=\"5441\" data-end=\"5526\">\n<p data-start=\"5443\" data-end=\"5526\"><strong data-start=\"5443\" data-end=\"5482\">No olvides revisar fusibles ocultos<\/strong> (en cargadores, rel\u00e9s o dentro de equipos).<\/p>\n<\/li>\n<\/ul>\n<h2><strong>Consejos de seguridad al trabajar con electricidad 12 V<\/strong><\/h2>\n<ul data-start=\"4410\" data-end=\"4720\">\n<li data-start=\"4410\" data-end=\"4466\">\n<p data-start=\"4412\" data-end=\"4466\">Desconecta la bater\u00eda antes de manipular conexiones.<\/p>\n<\/li>\n<li data-start=\"4467\" data-end=\"4541\">\n<p data-start=\"4469\" data-end=\"4541\">Instala <strong data-start=\"4477\" data-end=\"4509\">fusibles cerca de la bater\u00eda<\/strong> para proteger la instalaci\u00f3n.<\/p>\n<\/li>\n<li data-start=\"4542\" data-end=\"4608\">\n<p data-start=\"4544\" data-end=\"4608\">Usa cables de la secci\u00f3n adecuada y terminales bien crimpados.<\/p>\n<\/li>\n<li data-start=\"4609\" data-end=\"4676\">\n<p data-start=\"4611\" data-end=\"4676\">Mant\u00e9n un <strong data-start=\"4621\" data-end=\"4646\">desconectador general<\/strong> accesible para emergencias.<\/p>\n<\/li>\n<li data-start=\"4677\" data-end=\"4720\">\n<p data-start=\"4679\" data-end=\"4720\">Lleva un <strong data-start=\"4688\" data-end=\"4700\">extintor<\/strong> homologado a bordo.<\/p>\n<\/li>\n<\/ul>\n<blockquote data-start=\"4722\" data-end=\"4842\">\n<p data-start=\"4724\" data-end=\"4842\">\ud83d\udd17 Protege tu instalaci\u00f3n con <a class=\"decorated-link\" href=\"https:\/\/coelectrix.com\/pt-pt\" target=\"_new\" rel=\"noopener\" data-start=\"4754\" data-end=\"4841\"><strong data-start=\"4755\" data-end=\"4815\">portafusibles, desconectadores y accesorios de seguridad<\/strong><\/a>.<\/p>\n<\/blockquote>\n<h2 data-start=\"5199\" data-end=\"5212\"><\/h2>\n<p data-start=\"5214\" data-end=\"5454\">Saber usar un mult\u00edmetro te permitir\u00e1 <strong data-start=\"5252\" data-end=\"5316\">diagnosticar la mayor\u00eda de problemas el\u00e9ctricos en tu camper<\/strong> y ahorrar tiempo y dinero.<br data-start=\"5343\" data-end=\"5346\" \/>Con pr\u00e1ctica, comprobar\u00e1s fusibles, medir\u00e1s consumos y mantendr\u00e1s tu instalaci\u00f3n de 12 V en perfecto estado.<\/p>\n<p data-start=\"5456\" data-end=\"5606\">Espero que te haya servido de ayuda este tutorial, como siempre puedes realizar cualquier consulta relacionada aqu\u00ed mismo o en cualquiera de nuestras formas de contacto.<\/p>\n<p data-start=\"2974\" data-end=\"3094\">\n","protected":false},"excerpt":{"rendered":"<p>\u00bfAlguna vez has tenido una luz que deja de funcionar, un enchufe de 12 V que no da corriente o una bater\u00eda que parece descargarse demasiado r\u00e1pido?Con un mult\u00edmetro puedes resolver la mayor\u00eda de estos problemas t\u00fa mismo o por lo menos poder detectarlos para despu\u00e9s acudir a un taller si no tienes claro como [&hellip;]<\/p>\n","protected":false},"author":5630,"featured_media":79209,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1452],"tags":[],"class_list":["post-81666","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-equipamento"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Como usar um mult\u00edmetro e diagnosticar problemas el\u00e9tricos no seu ve\u00edculo, passo a passo %%<\/title>\n<meta name=\"description\" content=\"Neste tutorial, 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