Alternator wiring - Ford Powerstroke Diesel Forum
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Old 01-04-2013, 11:56 AM
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Alternator wiring

04 F350 6.0 single alterntor. I am attempting to straighten out the hacked up wiring on my alternator which prevailing wisdom says is what probably took out my FICM. I finally found the correct alternator plug ($50.00 at the local ford dealer) but need to know which wire goes to which pin. Mine presently has short pigtails soldered on to the original wiring with improper connectors that were plugged straight on to the pins. They loosened up and corroded and in all likelyhood were the cause of the voltage spike that burned out the logic board on the FICM. I know which wire came off of which pin but would very much like to verify that they were connected correctly. I have the repaired FICM and a new alternator but would like to double check which color wire goes to which pin before connecting in the new plug and attempting to light this thing off. I am really not interested in taking out the module again.
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Old 01-04-2013, 07:54 PM
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Here is what I show for that connector. Note pin 2 is on used for gas engines.

MikeB

Alternator wiring-untitled.jpg
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Old 01-04-2013, 10:07 PM
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Thanks very much. As it has been working the 18 months I have owned it, the wires were probably connected to the right pins but at this point I do not want to take any chances.
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