fuel pump

[grandprix38]

my fuel pump just stopped working, put in new relay,tested grey wire for continuity,good, put a test light on grey wire at pump, tuned key on, no light, cant find the test wire to send power directly to pump, found a loose harness with 1 solid green,and one solid yellow wire. don't know if that's it. need wiring diagram to see where grounds are.do pumps just go out like that? want to be sure b4 ordering another
what about thi if i do need a pump.


NEW FUEL PUMP 97 PONTIAC GRAND PRIX MU121 MU1529 E3978M | eBay

thanks for your help and suggestions

[Mike Kopstain]

The pump is easy enough to just give power to rather than pull out wiring diagrams. Pop it out, give it power and see what happens.

[grandprix38]

The pump is easy enough to just give power to rather than pull out wiring diagrams. Pop it out, give it power and see what happens.

Well couldn't figure out how to get canister apart so just unplugged at top of fuel sending unit aplied 12 volts an ground, got nothing, just a tiny spark. thanks for the tip. Time for a new/used pump.

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