[RESOLVED] Overcharging Alternator - Regulator Good

[jim97gst]

My alternator is overcharging. I took it to a rebuild place and they said the regulator was bad and replaced it. It is still overcharging. However, when I test it with the alternator connector disconnected (not the positive or negative cable, but that connector with 5 or 6 wires), it does not overcharge.

The relay type thing from this thread seems to be bad (rattles when I shake it), but the thread claims that it's not even necessary.

http://www.dsmtuners.com/forums/new...e-charging-system-relay-2g.html#post151081889

The connector at the alternator looks to be fine. There seem to be no other relays, just the main fuse, which looks fine. Even if it were bad, then I would just get no charge.

Any ideas on what to check next?

Thanks

 

[DROOPY209]

The regulator can be good, but there are still diodes and rectifiers in the alternator that go bad.

Take your alternator off and have it checked at Auto Zone or Kragens on their machine.

Go to 2 different stores just to make sure that it's the same conclusion.

 

[jim97gst]

It turns out me alternator is fine. The problem was my multimeter. It's reading high. I knew something was up when I checked the voltage in a different vehicle's battery and it read 15V. I then checked the voltage in a socket in my house and it read 150V!

Thanks for the reply.