alternator hook up - Team Camaro Tech
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post #1 of 5 (permalink) Old May 28th, 12, 07:48 PM Thread Starter
Join Date: May 2012
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alternator hook up

I am in the process of hooking up an internal regulator alternator and am drawing a blank. I was told to run the brown wire to the alternator pig tail, and the red wire from the pig tail to the post on the back of my alternator. dont i need a wire to feed power back and where sould it go to ?
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post #2 of 5 (permalink) Old May 28th, 12, 08:28 PM
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Re: alternator hook up

If it's not a single wire regulator, you'll need three connections. I'm pretty sure there's a sticky at the top of this forum that describes the hookup.
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post #3 of 5 (permalink) Old May 28th, 12, 08:55 PM Thread Starter
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Re: alternator hook up

thanks. not a single wire, so yes i have three connections, the diagam dose not explain where the main power wire hook up to just says to use original harness which that part was butchered in my car so im kinda going from scratch
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post #4 of 5 (permalink) Old May 29th, 12, 03:35 AM
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Re: alternator hook up

Generally, the large red wire goes onto the BATT stud of alt.
If adapting a 10SI/12SI alt, #2 terminal, Sense, would go to a battery powered junction, usually the BAT spade on the fuse panel, would be a good place, or horn relay buss bar, for easiness. Number 1 terminal, Excite, should get an ign switched battery voltage of heavy gauge, say 14GA.

If the original external reg'r connector is still in tact, jumper the two middle terminals together and jumper the two outside terminals together, and switch the blue & white wires at the alt connector, ie, blue to #1, white to #2. Change the wire gauge of the red wire from 10GA to 8GA to the horn relay buss bar and the wire from the h/r buss bar to the battery junction block from 10GA to 8GA.

This set-up should get you started. Now if the engine does not stop when ign is turned off, change the ign supplied Excite voltage to ign controlled relay supplied voltage;
Kill the excite, alt off.

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post #5 of 5 (permalink) Old May 29th, 12, 04:35 AM
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Re: alternator hook up

Try this link,good information.
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