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Topic: Any ideas on what may be the issue?

in Forum: C3 Electrical


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Any ideas on what may be the issue? (1/2)
 5/25/23 2:38pm
pingpong
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Sacramento, CA - USA

Vette(s):
1976 black T top


Joined: 5/22/2023
Posts: 3

After pulling, rebuilding, and replacing the engine out of a friend '75 , the amp meter is not working.  I'm sure the alternator is working because it gets hot after running a while.

Any ideas on what may be the issue?
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Re: Any ideas on what may be the issue? (2/2)
 5/25/23 9:41pm
Adams' AppleLifetime Member
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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas


Joined: 11/8/2003
Posts: 20122

The alternator getting hot is not really a confirmation that it is actually working properly. I would suggest using a Volt meter to verify charging voltage. Might just be a loose/corroded connection that got disturbed in the process. Check the voltage on the large red wire at the alternator, then check voltage at the battery terminals(engine running, of course).  Battery voltage should be within a volt or two of charging voltage at the alternator. Make sure the connections at the starter is nice and snug, as well as on the alternator, and the battery. I would also suggest making sure the ground cables are tight and clean.



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