Powermaster Altenator

67Dart273 said
Regardless of brand, or OEM, etc IF YOU install an alternator larger than about 45A you BETTER research the ammeter bypass "thing"

Lord Sparky said
Get the crackedback wire from alt to starter relay.

I agree with both of you. Also, check your bulkhead connector. Mine was corroded and someone had stuck a sheet metal screw in it to make a better connection! I ended up replacing the engine and front wiring harnesses. It was money well spent.