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FAQ ANSWER DETAIL
What Are These Colored Wires On My #9117 DIS Tach Adapter for?
- Red & Red w/ Green stripe = wired in-line on ignition coil power supply that powers all coils. Installation varies widely from vehicle to vehicle. See Installation Information or Ask A Question sections for further information.
- Black = common chassis ground
- Gray = tachometer signal output, connect to Green wire on tachometer