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Car Fuses and Wiring
Chevy Corvette

Where is the voltage regulator on a late year 1986 Corvette?


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Wiki User
2004-09-03 00:51:21
2004-09-03 00:51:21

Inside the Alternator.

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A Corvette that was built in late 1976 up to late 1977.

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If driver side mounted 2 clock if pass side 10 oclock veiwed from front

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As far as I know this regulator can be used on several other 4 cylinder Honda motorcycles of similar engine size, from the late 70's models to the 90's models.

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The easiest way is to get a late model one-wire alternator, I think circa mid 80's. As by its description, you hook one wire to the battery---and you are charging. It's got the voltage regulator built in. Of course, you will need to figure out how to hook up you alt/ charge light. You'll also need the late model alternator brackets from a junker-or get new chrome ones. Your next cheaper but more labor intensive is to get the alternator, brackets, voltage regulator, and wiring harness from a late 60's to late 70's gm product. Again, you'll need to figure out how to wire the charge light. If I remember right you'll need a hot wire from the fuse box to excite the alternator to charge. I had a 74 Monte Carlo that blew the instrument panel fuse and it quit charging.

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The voltage regulation is controlled by the ECM which is located either behind the glovebox or under the left front fender behind the battery depending on if it is an earlier or later model. It would be advisable to check all the connections to the ECM and alternator and have the alternator tested before replacing the ECM (aprox. $450) I have also heard of an aftermarket kit to bypass the ECM and regulate the voltage with an external regulator as used on late 70's chryslers.


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