Chevy Fuel Pump Relay Diagram. I am looking for the wiring diagram for the fuel tank switch valve in the rear of a 1989 chevy 3500 dually with a 454. Fuel pump wiring diagrams for 1994 chevroletgmc pickups with an automatic or manual transmission.
1994 fuel pump circuit tests gm 43l 50l 57l. Were using the ac relay because it wont affect any other system when trying to crank up the engine. Usually fuel pump relays are easily accessable have an open female if your veh uses a relay the common chevrolet relay wires are tan white.
There will be main lines which are represented by l1 l2 l3 and so on.
1993 43l 50l and 57l gmcchevrolet pickups with the 4l60 e automatic transmission. All wiring diagrams for chevrolet cobalt ss 2009 model cars. Fuel pump relay wiring diagram. 1997 chevy silverado 1500 350 vortech new fule pump not working before you drop tank again check fuses relaythen disconnect fuel line at filter turn key to on position should hear fuel pump run and get gas stream out of line.