I have upgraded to a G3 130 amp alternator and installed it correctly. I have already had the alternator and regulator checked out and are fine. The alternator doesn't charge the system, my engine runs off the battery til it's dead. My problem is that the green/red wire that runs off the back of the alternator and through the headlight harness isn't getting enough volts through it to turn on the alternator????? I'm seeing 3.39 volts through it. I thought perhaps I had a bad ignition switch on the steering column and replaced that. Any helpful ideas on a fix would be greatly appreciated.