Gm fuel pump wiring - YouTube Oct 15, 2015Gm fuel pump wiring Matt Shaughnessy How to Install New GM Wire Harness on Fuel Pump Module Airtex-ASC Performance Pumps 174,777 views. 3:10. Wiring the fuel pump on a 2003 Chevy cavalier I need the wiring diagram for a fuel pump assembly. The Jul 02, 2009I need the wiring diagram for a fuel pump assembly. The wire are different colors from the old unit that being replaced. On the truck wiring harness the wires are blace, white, orange, green. This is the only thing that makes since, GM has used Gray for fuel pump power and purple for sending unit signal for years. Related searches for gm fuel pump wiring harness adapter gm fuel pump wire harnessgm fuel pump harness connectorchevy fuel pump wiring harnessgm fuel pump wiring diagramfuel pump relay wiring harnessgm fuel pump wiring pigtailfuel pump harness pluggm fuel pump connector diagram