I recently bought a 1970 Ghia that had some electrical issues. I replaced the voltage regulator (with a used one) and the generator (used as well). There was a short in the wiring for the tach (disconnected right now).
Question:
What should the output voltage be on the generator at an idle? With all the lights on, it's about 13.5v at idle or reving the engine. If I turn off the lights it goes up to around 14.5v at idle and over 15v reving. This seems to be high to me but I've never measured it before.