Forgot how to wire alternator

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Aug 6, 2010 | 11:01 PM

oamhmad

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Joined: Apr 2010

Posts: 355

Likes: 4

From: Elmwood Park, NJ

Car: 84 Trans AM

Engine: Goodwrench 350 Crate motor

Transmission: T56

Axle/Gears: 3.73

Forgot how to wire alternator

So what wires go to the alternator? The red plastic connector on the back and a black wire attached to one of the rear bolts on the alternator right?

I was installing headers and had the alternator removed for like a month and now I can't remember how many wires were connected to it. It seems like I'm missing something.

84 TA, 305 LG4

Aug 9, 2010 | 12:11 PM

NINÅ

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Joined: Jan 2006

Posts: 3,341

Likes: 10

From: Mooresville NC

Car: LOWERED ♦ CRIMSON METALFLAKE

Engine: ► 400 KUBES ◄

Transmission: 765R4

Axle/Gears: EATON POSI 4.56

Wire Mire

The heavier red wire goes to the positive stud, and should have power at all times.

The thinner red wire goes to terminal S (the sensing circuit) and should have power at all times.

The brown wire goes to terminal T (the turn-on input) and should have power when the key is in the RUN position.

Not sure about that black wire.

Might be a PO addition.

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