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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

Fuel pump not working

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Old Apr 26, 2008 | 07:19 PM
  #1  
Pearlwhite94's Avatar
Pearlwhite94
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Fuel pump not working

ok so i have a 94 f150 and i was repairing a loose dash board with a kit i bought from ford. I followed the instructions and pulled the dash a little bit to the back to get to where i needed to work. I got it dont and tighten everything back. I turnthe key and the engine turns but does not start. I had no previous problems of any sort with it. I noticed that the fuel pump does not sound like its working. I changed the switch adn teh fuel gauge detects how much fuel is in each tank but the fuel pump doesnt sound like its working at all. Please help me out anyone!!
 
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Old Apr 27, 2008 | 06:57 AM
  #2  
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Very odd. The ign./start switch which would supply power to the starter, fuel pump and ignition is on top of the steering column and under the instrument cluster-hard to see that you could have disturbed that. Anyway this will give your post a bump.
 
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Old Apr 27, 2008 | 08:46 AM
  #3  
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If you have a multimeter or test light, disconnect the tank switch, turn the key on, and check for power on the red/yellow wire going to the #2 pin in the tank switch harness. If you have power to that wire, jump it to either the red or brown/white wires in positions 1 or 3. If the truck starts you have a switch problem. If you do not have power to the red/yellow wire, go to the inertia switch and make sure you didn't disturb either the inertia switch or it's connecion when you moved the dash. If the iniertia switch isn't tripped and the connection is tight, disconnect that switch and check for power the dark at green/yellow wire coming from the fuel pump relay. If there's no power there check the relay for proper operation.

If you have have power to the red/yellow wire, jump to either the red or brown/white wires, and the truck still won't start, go to the tank connections and check those wires for power. Red will go to the front tank and brown/white to the rear. If you have no power there, move backwards up the wiring harness until you find a bad connection or short.

All of this being written, I'll bet your problem is at the dash switch or inertia switch.
 
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Old Apr 27, 2008 | 11:31 AM
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Pearlwhite94
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well thanks alot for ur suggestions i found the "reset" switch and that fixed the problem. THanks alot though!!!!!!!!
 
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