71 Dodge Dart Swinger in England

I would also rewire the way the alternator runs its output power back to the + side of the battery. The way mopar ran this wiring in this instance was marginal in its day, but add in higher amp output alternator, stereo, other electrical devices, old bulkhead connectors with corrosion on them and you have a recipe for a wire fire.

Here are schematics for an ammeter bypass id recommend. I also modified a sun voltage gage and used its guts to convert the ammeter in my 67 barracuda to volts. The only thing i kept from the barracudas ammeter gage was the ammeter gage face, and pointer.