Car Batteries
Toyota Tercel

What happens when the battery is reversed and you run it like that a little bit Then the altanater goes out on you and none of the lights work except the charge light and the replaced headlights?

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Wiki User
2007-10-07 00:16:18

I'm thinking that anything that is polarity sensitive might have

been damaged, including the engine control unit. The voltage

regulator and alternator diodes may have been blown.

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