Gm--------D524,D531,D536,1876209,1985474,1988908,

Wire-Red-and-White

Buick-Models-v6/v8-----‘74-’90      Cadillac-Models-v6/v8----‘75-‘95

Checker---------------’81            Chevrolet-Models-v6/v8---‘75-‘76,’77-‘91

Chevrolet/Gmc-Truck----‘75-‘76,’77-’85       GM-Truck------‘77-‘86

Gmc-Truck-v8-403------‘75-‘76,’78-’86       Oldsmobile-Models-v6/v8--‘74-‘90

Pontiac-Models-v6/v8----‘74-‘90