Toyota Electical Question


Old 12-13-07, 12:45 PM
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Toyota Electical Question

My Rav 4 headlights dim (car running) when I use my breaks. I'm trying to determine if it's my battery or alternator. When my car is off and I turn the headlights off/on my interior lights dim. (which leads me to a bad battery?) Really don't want to buy both to find out its one or the other. Thanks
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Old 12-13-07, 03:30 PM
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Check your cables first to make sure they are not loose, especially the ground cable, and I'm talking about the battery cables. If everything looks good I believe most car parts stores will test the battery and alternator free or you can pay a nominal fee and have a load test done.

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