Del Help! Cuda not Charging
OK someone has converted your car to the 70/ later alternator / regulator
I tend to separate the system into blocks
The charging output circuit, IE the charge wire, bulkhead connector ammeter if still in the circuit
The field wireing
Alternator good or bad
Regulator good or bad.
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For a first "quick check" and BECAUSE you have an adapted system, you need to discover which alternator field wire is +12 ignition, and which is the VR
So unplug the VR connector, and turn the key to "run." Unplug both field wires and check for voltage. One will be 12V hook that one back up. Does not matter which field terminal is which on the alternator.
Now take a clip lead and ground the remaining field terminal. Start and run, look for evidence of charging, and post back