C9 Purple/White wire goes to starter solenoid and gets a signal when in Key/Crank position only!
If you put it to B5 Purple/White... which I think he was trying to do it will fry the ECM without a tach filter or running an external EST...
C9 Purple/White wire goes to starter solenoid and gets a signal when in Key/Crank position only!
If you put it to B5 Purple/White... which I think he was trying to do it will fry the ECM without a tach filter or running an external EST...
1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
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