Alternator wiring - Ford Powerstroke Diesel Forum
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post #1 of 3 Old 01-04-2013, 12:56 PM Thread Starter
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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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post #2 of 3 Old 01-04-2013, 08:54 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

2005 F-250 6.0L, crew cab, long bed 4x4
completed in 2011: STC update, new IPR, BPD EGR cooler, oil cooler rebuild, 6.4 banjo bolts, blue spring update, SCT X3, Insight CTS, 58V FICM, CCV Mod, DIY coolant filter (now gone), refinished turbo
2012: ARP headstuds, OEM gaskets, standpipes and dummy plugs
2015: XDP coolant filter
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post #3 of 3 Old 01-04-2013, 11:07 PM Thread Starter
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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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