1998 gmc sierra fuel pump wiring diagram 1998 gmc jimmy fuel pump wiring diagram
Posted on Apr, 22 2019 by Michael Burnstagged with :
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is not getting juice to it according to a wiring diagram it is the gray pump power wire there are 4 ports in the connector 2 grounds pump power and sender signal the sender signal has power but nothing to the pump power port which is why the fuel pump is not hello again unfortunately i will not be able to supply you with a wiring diagram for your vehicle due to the fact that my repair information only goes back as far as 1998 1998 gmc sierra 5 7l 4x4 i have a fuel gauge problem the gauge will not read below a 1 2 tank when the tank is full it reads full and it goes down as the tank level goes down after verifying that no fuel pressure exists check that the fuel pump is getting power 12 volts this can be done by tapping into the power circuit that feeds the pump with 12 volts with a multimeter but without dropping the fuel tank to remove the fuel pump put on machine and came back with.
p1345 code i checked the voltage input at the crank sensor and got 12 volts output voltage was 2 5 volts span class news dt 08 08 2004 span nbsp 0183 32 11 22 13 11 32 pm post 2401887 in response to mtwheeler is the fuel pump working you should hear it running for a second or two when you first turn the key on before cranking it span class news dt 20 06 2009 span nbsp 0183 32 01 08 13 07 26 pm post 2305337 hi guys i m hoping someone can help me figure out a problem with my truck driving along as normal it shuts off dead