Help with Fuel System
#1
Help with Fuel System
alright i've had it with my truck. there is something electrical wise wrong with the fuel system. its an 86 with the 2.9 the only way the fuel pumps work is if the fuel pump test connector is grounded to the battery. but the pump runs constantly. when the key is in the on position the pump continues to run. it doesnt prime and then stop. in the past 3 months ive replaced the fuel pump on the frame 4 times and the fuel pump relay 4 times and the eec realy 2 times. what am i missing??? ive checked all the wires and everything seems ok. and does anyone know the right fuel pump relay?? ive got a 5 prong and a 4 prong ive tested both. the 5 prong runs fine. the 5th tab doesnt go anywhere so i tried 4 prong but nothing. any help is greatly appreciated
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