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11-12-2010, 01:52 PM
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#1 |
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Cultural Infidel
 
Join Date: Jan 2007
Location: Clearwater, FL
Posts: 668
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alternator wiring ?
Somewhere in the past, a PO changed the alternator to a one wire internal regulator SI 10. I want to change this to a 94 amp SI 12 3 wire. I cannot find any of the original wiring from when it had an external voltage regulator. Where should I look to find the wire for the # 1 terminal? What color is it?
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posted via La-Z-Boy -Mark 1972 C-10 Fleetside 350/TH350 PS PB A/C Cab Sadly....Sold  1968 Short Fleet 350/TH400 PS PB Delivered by Fine69  Also sadly Sold!It may be that your whole purpose in life is simply to serve as a warning to others. A man is not complete until he is married -- then he is finished. |
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11-12-2010, 01:54 PM
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#2 |
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Registered User
Join Date: Sep 2010
Location: Richmond, Va
Posts: 573
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Re: alternator wiring ?
See if it was taped back behind the driver's headlight. That wire will be red.
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11-12-2010, 02:19 PM
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#3 |
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Cultural Infidel
Join Date: Jan 2007
Location: Clearwater, FL
Posts: 668
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Re: alternator wiring ?
I located the old voltage regulator. Plug has 4 wires going in. Looking down at it, the first 2 are cut and gone, the next one is red and I can't tell what color the bottom wire is, but they are both there. Also I found a red wire in the harness that is cut off. I don't know which wire to use.
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posted via La-Z-Boy -Mark 1972 C-10 Fleetside 350/TH350 PS PB A/C Cab Sadly....Sold 1968 Short Fleet 350/TH400 PS PB Delivered by Fine69 Also sadly Sold!It may be that your whole purpose in life is simply to serve as a warning to others. A man is not complete until he is married -- then he is finished. |
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11-12-2010, 02:51 PM
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#4 | |
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Registered User
Join Date: Dec 2008
Location: Yay Area CA
Posts: 2,329
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Re: alternator wiring ?
Here's a diagram which shows the wires jumped at the old reg plug if you trace the wires to the alternator the brown wire goes to #1 and the red goes to #2. Is this a gauge or idiot light dash?
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1965 GMC shortwide big window 1969 Chevy C20 long (for now) 2005 Silverado 2500HD Crew Cab Quote:
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11-12-2010, 04:50 PM
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#5 |
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Cultural Infidel
Join Date: Jan 2007
Location: Clearwater, FL
Posts: 668
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Re: alternator wiring ?
idiot light. Thank you, it works now that I found the brown wire.
__________________
posted via La-Z-Boy -Mark 1972 C-10 Fleetside 350/TH350 PS PB A/C Cab Sadly....Sold 1968 Short Fleet 350/TH400 PS PB Delivered by Fine69 Also sadly Sold!It may be that your whole purpose in life is simply to serve as a warning to others. A man is not complete until he is married -- then he is finished. |
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