I reworded my post above, the wires going to 7747 ECM from injectors are grounds, the other wire to injector is from power, not from ECM.
I reworded my post above, the wires going to 7747 ECM from injectors are grounds, the other wire to injector is from power, not from ECM.
1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
-= =-
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