2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

fd alt wiring diagram

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Old Sep 15, 2015 | 12:05 PM
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FC3S_nataku's Avatar
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From: OrangePark FL
fd alt wiring diagram

does anyone have the wiring diagram for putting a fd alt in a s4 turbo fc? i had one printed out years ago and somehow lost it
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Old Sep 15, 2015 | 12:10 PM
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From: New Hampsha

Originally Posted by FC3S_nataku
does anyone have the wiring diagram for putting a fd alt in a s4 turbo fc? i had one printed out years ago and somehow lost it
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Old Sep 15, 2015 | 12:11 PM
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From: New Hampsha
Been covered alot too btw. A quick search would have found it. Even just Google.
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Old Sep 15, 2015 | 12:14 PM
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From: OrangePark FL
fd alt wiring diagram

Thank you for posting what was in the FAQ. My question isn't what each individual plug does. I'm looking for a diagram to show where they connect to the harness. (The T plug and post) I have the post connected but the T plug is where my confusion is
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Old Sep 15, 2015 | 12:36 PM
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From: tulsa,ok.
The T plug has a W/B wire and a B/W wire. The W/B runs to the largest plug in the CPU. If you look at this CPU plug you will notice the W/B wire and it's the same wire at the alternator. The B/W wire runs to the 15 amp engine fuse of the interior fuse box but this is for the S4 alternator set up. On the S6 (FD alternator) the B/W wire needs to have constant voltage and thus it runs to the engine fuse box and ties into one of the fuses there or you can add another fuse in a vacated spot and run the B/W wire to it.
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