Under wiring harness post I put a 66 wiring diagram in there. I know on my 70 the engine bay has 2 wiring harnesses that are under the hood. One runs along the fire wall and the other down the driver side fender well to the voltage regulator and then over to the battery. Not sure how a 66 is wired.
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Ray
1970 SS Chevelle Van Nuys Built
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