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  1. 1964-1974 Tempest/LeMans/GTO Tech/Electric Wiring
    Hello guys, I have a common problem tough the details are making me nuts. My mostly stock 66 Pontiac is equipped with the original Delco alternator and voltage regulator (vr). Because I had trouble in fine tuning my 389 cu. in. someone told me once that the fluctuating needle of my ammeter...
  2. 1964-1974 Tempest/LeMans/GTO Tech/Electric Wiring
    Got one I can't solve, need some assistance from the forum. '67 GTO with a BATT light that is on at idle (800ish rpms), once the engine rpm is above 1,200 the light goes out. After market in-car voltmeter shows just over 12V at idle, and almost 14V when over 1,200rpm. Just replaced the voltage...
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