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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. Service, Maintenance and Technical Discussion
    So that time has come I can no longer avoid it - the old girl needs a wiring update.. Last summer was a bummer due to slow voltage drain/shorts weird "Christine" like lighting behavior. My issue started with some headlight shorts which I managed to rewire and make work. Now left with a pesty...
  3. 1964-1974 Tempest/LeMans/GTO Tech/Electric Wiring
    1971 GTO 6.6 Do I need to add a cable from the alternator to the battery? I’ve read thru a ton of threads for a while and haven’t really found the answer I’m looking for..... I have a New factory correct Harness from B&H, the harness has the (2) #10 under one ring connection going to the...
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