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Alternator ?

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Old Sep 20, 2012 | 09:08 AM
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firebirdfreak87
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From: lovespark,IL
Car: 87 firebird did V8 swap
Engine: sbc 350
Transmission: 700r4 shift kit and stall
Alternator ?
What do the brown and black wire do on the alternator plug I need to kno because the harness has been tore out of the car And I'm trying to wire it in
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Old Sep 20, 2012 | 10:20 AM
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TreeFiddy
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From: Sydney, Australia
Car: '86 TA
Engine: '74 350
Transmission: 700r4
Axle/Gears: 2.77
Re: Alternator ?
Brown to the field (F or 1) terminal, and black/red to sense (S or 2).

Field terminal goes to 12V via the idiot light if you have one, or resistance wire if you don't.

Sense goes straight to batt 12V.
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Old Sep 20, 2012 | 10:53 PM
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firebirdfreak87
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From: lovespark,IL
Car: 87 firebird did V8 swap
Engine: sbc 350
Transmission: 700r4 shift kit and stall
Re: Alternator ?
sweet and the red goes to the starter correct?
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Old Sep 21, 2012 | 12:30 AM
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TreeFiddy
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From: Sydney, Australia
Car: '86 TA
Engine: '74 350
Transmission: 700r4
Axle/Gears: 2.77
Re: Alternator ?
Yep - starter post or battery. Use heavier cable for the alt output.
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Old Sep 23, 2012 | 08:52 PM
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firebirdfreak87
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From: lovespark,IL
Car: 87 firebird did V8 swap
Engine: sbc 350
Transmission: 700r4 shift kit and stall
Re: Alternator ?
what you mean use heavier cable
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Old Sep 24, 2012 | 10:24 AM
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BigBadLou
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Car: '91 Z28 convertible
Engine: TPI
Transmission: T5
Axle/Gears: 3.27 posi disc
Re: Alternator ?
He meant a thicker cable. To carry the high current from the alternator to the system.
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