Alternator wiring

The alternator is the square back style; 70 - up. I've upgraded to an electronic voltage regulator so just grounding the second field wire isn't going to work. I thought the 70-up alternators put out more than the older style alternators. The problem I had with my old alternator was that the alt gauge was always bouncing around the charge side, now at idle it's just south of the middle, when I turn the headlights on it goes to the middle of the discharge side, the radio doesn't effect it that much. Tomorrow I'll check to see if the voltage regulator is grounded sufficiently. I might also see about installing a higher amp alternator to see if that fixes things.

Thanks

Dan in Silicon Valley

PS 67DART273, your car is the same color as mine, dark copper, but mine has a white vinyl roof with white interior.