Re: New American Autowire harness install
Rick, which AAW harness are you installing, Factory Fit or Classic Update? I'm guessing Update, because otherwise there would be a yellow and a white cloth covered wire.
The pink is your 12V ignition feed wire. If you're running a non-points setup (HEI or similar distributor), the pink wire goes directly to the positive (+) side of the coil. If you're running points, the pink wire goes into a ballast resistor first, then to the + side of coil. A points car needs the voltage reduced to less than 12V constant, to keep from frying the points, hence the ballast resistor; an OE harness (and the Factory Fit harness) uses a cloth covered resstance wire to do the same thing.
The yellow is the 12V full voltage during strartup for a points car; the points do get a full 12V when the starter is engaged on an OE setup. The yellow wire would go from the "R" terminal (small terminal lug closest to passenger side of car) to the + side of the coil, or to the "downstream" end of a ballast resistor on a non-OE style installation. If you are running HEI or the like, you do not need the yellow wire at all.
I'm guessing that's what's throwing you off, looking at the little box on the Engine Kit 500668 instructions. If you have HEI, just hook the pink to the + side of the coil and throw the yellow back in the box.
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