Fuel pump wiring diagram 10.2v at fuel pump connector bad? good? I think i might have a problem with the fuel pump or the circuit. Does anyone have a wiring diagram so I can check everything out and make sure all the wires are good. Also the Oil pressure switch does anyone know how to check this if it is faulty? Last night the car died and took 30 mins to start up again. This only happened after 2 mins of driving so I am kind of ruling out the CAS. When it did happen and I shorted out the ALDL to bring up the codes the FAN did not come on like it usually does. But once the car started and got it back home. I shorted out the ALDL again and the FAN came on. Looks like some electrical issue or something but it is strange. The car did not have any codes except for 31 the immobiliser circuit but I am not sure what is up with that. Since It starts if I press the unlock button if the car does not get started within 1 minute after opening. The car is a 1994 VR 6cyl auto.