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Old 03-17-2011, 08:02 AM
fred.mason fred.mason is offline
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Need Wiring Diagram For PCM

Hey to all,

I have a 2005 F250 with a 5.4L 3V engine. I have been getting a CPS fault code. I have replaced both sensors and checked the alternator. I found a test procedure which had me disconnect the wires from the PCM and the sensors and check for voltage with the key on. It states that I should have less than 1volt on the + of the sensor harness at this point. I actually have almost 4 volts which indicates a short in the wiring harness. I need to trace the wiring through the harness and would like to know if any other devices share the suspect wire. I have been trying to find a copy of the wiring diagram but not having any luck. Would anyone happen to have a copy to share or know where I may find one?

Thanks
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Old 03-17-2011, 08:02 AM
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2002, 2004, 2008, 64, 73, 96, diagram, diesel, digram, eng, f250, f350, ford, pcm, wiring

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