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Author
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Topic: still having a hard time with my fuel system
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86 T TOPS
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Member # 8855
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posted
 
 
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 !!!!!
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TTOPNGT
Posts: 704 | From: redwood city | Registered: Jan 2009
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racsirx
CAFords OG
Member # 1710
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posted
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.
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88 Saleen #564
88 GT 331 NOVI2000
88 Coupe TURBO 9.75@142
95 Cobra R #75-SOLD
06 F250
13 BMW AH3
17 GT350 #5556
GOD'S NOT DEAD
Posts: 20750 | From: Concord & Pittsburg, CA | Registered: Aug 2002
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5.0 LsX
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Member # 10017
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posted
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
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91' Notch
Posts: 1260 | Registered: May 2010
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86 T TOPS
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Member # 8855
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posted
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 !
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TTOPNGT
Posts: 704 | From: redwood city | Registered: Jan 2009
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93lx4cyl
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Member # 10517
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posted
Pick up coil?
Posts: 204 | From: Sacramento | Registered: Dec 2010
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