VCCA Home Forums TECHNICAL - 1945 AND EARLIER 1912-1928 Electrical issue

From a response to Jay28:
Interesting Jay28, I found the exact same ground strap issue on my 26. However, I still have an issue where the ammeter pegs negative while running at speed. I have looked at everything, including replacing the generator. My next action is to replace the wiring harness. It is dry and cracking. The only thing that appears to pull the ammeter back to positive is to turn on the lights, and then it only comes back two half the operating current. It sounds like a loose connection (resistive) rather than short. But I don't know. Any ideas?

Hey 3rdowner I would install a new wire harness if they are cracked and see if that fixes your problem before replacing other parts, your wires may be leaking power just like old spark plug wires do when they get old.
You also may have a defective ammeter?
I had a problem with my generator at first and found the wire that comes out of the gererator to the circuit breaker was grounding to the generator body, so I replaced it and worked better after that, u might want to look at this wire for the same problem. also check to see if your circuit breaker is sticking.

Keeping vintage Chevy alive.