Charging system wire around 6 or 8ga

crackedback said

This renders the Ammeter inefective. You can leave the ammeter if you like, I always bypass it.

I always suggest leave all the OEM wiring in place and bypass ammeter.

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Well mine actually WORKS, so I am leaving it be until it doesn't. I've inspected the firewall connector and it looks fine. Course this car is all stock so there's "that".