This is topic still having a hard time with my fuel system in forum Tech Talk at Northern California Ford Owners .
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Posted by 86 T TOPS (Member # 8855) on
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hey folks I'm still having an issue getting my pump to prime . I haved replaced the fp relay ecc relay and still no power to the pump, there are only two wires gettin power out the fp tree , the orange/blue witch goes to starter relay and red/black wire that goes to ecc both has power the pink/black witch powers the fp doesn't for got to mention that the inertia switch does have power ive done some research but have really gotten no where . HELP !!!!!
Posted by racsirx (Member # 1710) on
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You need to measure voltage starting from the solenoid, computer, relay, interia switch , then pump, I have had bad grounds and fusible links cause fuel pump problems, check ground the ground next to the battery first.
Posted by 5.0 LsX (Member # 10017) on
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ive seen a few problems with the harness between the relay and switch where very little voltage gets to the pump try bypassing it from the relay
Posted by 86 T TOPS (Member # 8855) on
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ECM,FP RELAY,INERTIA SWITCH ALSO HAS POWER . THE PINK/BLACK WIRE FROM THE FP RELAY THAT FEEDS POWER TO THE PUMP DOESNT HAVE ANY VOLTAGE !
Posted by 93lx4cyl (Member # 10517) on
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Pick up coil?
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