Anyone have a fuel pump wiring diagram for a 1996 gmc 1500 4.3 engine.?

I do.

I somewhat have the exact same undertaking in undemanding words I allready replaced the gasoline pump a three hundred and sixty 5 days in the past! i found this on the web ; probability is that is one in each of three issues, a nasty gasoline pump relay: no matter if that is, it expenses about $15 and is positioned contained in the "below the hood" fuse container. look below the fuse container lid for region of the relay. #2 The oil pump rigidity change/sending unit: you could ensure this by potential of unplugging the wire connector to the sending unit and jumping both end terminals at the same time that is a three wire connector. If the gasoline pump starts that is observed by potential of a hum from the tank then that is maximum likely the oil press/sending unit.#3 The wire connector to the gasoline pump itself is also undesirable, yet it truly is difficult too because you should drop the gasoline tank to get to it also. i recognize the oil rigidity change/sending unit sounds unrelated although the wiring circuit to the gasoline pump has a branch it quite is routed by potential of the oil sending unit and it would want to reason the pump now to not function if it is going undesirable. The oil sending unit (OSU) is in a tricky region contained in the again of the engine below the distributor and it takes a deep socket to eliminate. The gasoline pump, no matter if that is amazingly undesirable, is a large pastime fantastically once you've an finished tank of gasoline. that is often best to eliminate the gasoline in the previous attempting to drop the gasoline tank. maximum tanks those days are puzzling to get a siphon hose into. The gasoline pump i purchased cost $one hundred eighty from an vehicle parts keep and ensure 2 or 3 hours of exertions basically relies upon on how good/quick they're. There are some tricks to dropping the tank and there are some gasoline line connector equipment required yet they are not severe priced. in case you do replace the pump, you'll also favor to regulate the gasoline clear out. After each thing I suggested in the previous, you would possibly want to favor to envision that the gasoline clear out isn't plugged up...that is a threat, yet I somewhat have not in any respect seen a plugged up gasoline clear out. I, obviously, purchase my gasoline at respected places, yet in case you do not i wager it really is life like to examine besides to what I advised you. good success desire this facilitates!

Go to ANY library that has the ALLDATA data base! This is the most COMPLETE wokr on auto stuff EVER!!! Or get a HAYNES manual or RObERT BENCHLEy manual. GOO DLuCK!!