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what needs replacing


f33t

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last night i was in a hurry to leave work and reversed the polarity of my battery. This stuffed the car and racq dude came and told me it would need a new alternator and battery. This is because the alternator is overcharging, like 15volts at idle.

The engine is a 4ac in a ae82. Does the racq guy sound right? And would anything else need replacing, ie regulator? Lastly would a altenator out of a sprinter work cause they have the seme engine, though the sprinter is rwd.

Thanks in advance

had a very bad day yesterday.

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Hard to say.

Not being a mechanic, I guess it would be through trial & error - i.e. replace battery, try & start car - if it starts thats great, if not, then look at other components that may have failed.

Could turn out to be quite an expensive mistake for you (fingers crossed otherwise!)

snakes

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Voltage regulator would be the logical place to start. If that doesn't fix it then get the alternator checked out.

Don't leave it too long or you'll boil your battery dry if it's charging like that all the time.

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