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Old 03-28-2016, 06:14 PM
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Default Bbc starter and alternater wires

I've been side tracked so many times with buts project and changed so many things along the way.

Do both smaller wires (yellow and tan) need to go to the small post on starter?

Also the does the black wire for the alternator ground to the alt itself?

I changed the distributors to electronic dui's.
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Last edited by getrdunn; 03-28-2016 at 06:37 PM.
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Old 03-28-2016, 06:44 PM
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Black wire ground to alternator case. That harness you have is probably from a point set up do not hook the tan wire up. Tan wire is for more voltage when cranking when running resistor with points.
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Old 03-28-2016, 07:43 PM
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Originally Posted by 14 apache
Black wire ground to alternator case. That harness you have is probably from a point set up do not hook the tan wire up. Tan wire is for more voltage when cranking when running resistor with points.
Tks. Yes it was from an old points set up. I eliminated about 5 wires I think that were lingering around the old alt and ended up with those two. One was obvious and the other seemed like it was grounded to the old alt.

So in regards to the starter just eliminate the tan wire then? Not sure why I left it at the time when I installed harness but maybe was just a safety measure just in case deal. Who knows.

Tks John.
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Old 03-28-2016, 08:28 PM
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If thats a high output 100 amp style alternator, you might want to consider upgrading the alternator wire.
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Old 03-28-2016, 08:44 PM
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Originally Posted by MILD THUNDER
If thats a high output 100 amp style alternator, you might want to consider upgrading the alternator wire.
Good call.
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