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Why does my battery not stay charged when no lights are on and why does my battery light stay on until the car reaches high RPMs - both the battery and alt were checked as good through AutoZone?
Wiki User
∙ 12y ago
We had the same problem on a 4-runner that we own, the battery was draining as soon as the truck was turned on, but the alternator, and regulator were both good, and we changed the battery so it was new and it was still doing it. It ended up being a grounded wire to the back power window that stopped working, that came disconected and was grounding out on the metal on the truck and sucking the battery dry. Has anything quit working on your vehicle that is power? If so, that is most likely where you will need to start, and you will need a wiring diagram because not necessarily will the wire be grounded on one side or the other, it can be tied in to other power areas on the vehicle.
bad voltage regulator same thing happen to me.
Wiki User
∙ 12y ago
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