Re: 68 C10 Yellow wire from firewall to starter/coil.
Still looking for a constant 12 volt with key in RUN position on my OEM 1972 C10. What are the blue and green wires that are labeled #1 & #2 in one of your posted examples? Still trying to marry a 2018 L83 harness with the 1972 key start.
TKX
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