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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

f150 eec maybe bad, help please

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Old Jan 4, 2011 | 02:04 PM
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f150 eec maybe bad, help please

Like an idot, I parked a 1991 F150 4x4 for three years. It was running when i parked it. I had to replace the starter, and fuel pump. I can jump out the fuel pump relay and make the fuel pump com on. When i check voltage to the fuel pump relay i only have 10 volts and relay will not click. When i ground the #6 pin on test plug to ground the fuel pump comes on.
The eec relay is closing (clicking) and the 12 volts is getting to the eec.
Does this sound like a bad eec or somthing else>
 
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Old Jan 4, 2011 | 03:50 PM
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The guys in the 87 to 96 forum would probably be able to help you better. This is for the 09 and present f150s. Here is the link to the other part of the forum.

1987 - 1996 F150 & Larger F-Series Trucks - Ford Truck Enthusiasts Forums
 
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Old Jan 4, 2011 | 06:13 PM
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Welcome aboard.

Moved to correct forum.

Could be the TFI module, the ecm may not be seeing a return signal.
 
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