C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

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Old Sep 16, 2022 | 04:34 PM
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I have a c4 1986 vet the battery goes dead over night put amp meter on battery cable it pulls 14 amps for two seconds then goes to 0 amps for around 15 seconds and does this till battery is dead the key is off any ideas

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Old Sep 16, 2022 | 04:55 PM
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Old Sep 16, 2022 | 07:40 PM
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Originally Posted by Haytiking
I have a c4 1986 vet the battery goes dead over night put amp meter on battery cable it pulls 14 amps for two seconds then goes to 0 amps for around 15 seconds and does this till battery is dead the key is off any ideas
Sounds like one of the circuit breaker circuits has a short to ground. Instead of a fuse that blows it has an automatic circuit breaker that trips and then resets when it cools down. There are four of them on the right side of the fuse box on the end of the dash. With the battery powered up you will hear it click off and on and it will be hot. Or you can pull them out one at a time until your current draw goes down.

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