1990 ford F150 fuel pump circuit and pump, and ignition switch.4.9 in line 6?

tonykarolyn

New member
Jan 8, 2009
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Ok, I just got this truck back from an auto electric mechanic. He has got some extra wires run from the battery for the fuel pump, so I am assuming it needs a new circuit, also he said that the pump lost its pressure, which can be caused by running out of fuel. I think I can tackle the pump, I've done it before, you just drop the tank and leave the lines hooked up while you get the pump out. The circuit on the other hand, I know nothing about, I don't even know why they call it a "circuit". I feel the same way about the ignition switch, clueless. Please help. Keep in mind, I can answer your plumbing questions.
 
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