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1967 - 1972 F-100 & Larger F-Series Trucks Discuss the Bumpsides Ford Truck

Alternator connections

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Old Oct 7, 2003 | 06:45 PM
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elstx
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Alternator connections

The alternator was new when we got the truck not too long ago, so I didn't put it on.
There are 3 connections on the back of the alternator, but only 2 are hooked up.
Should all 3 be hooked up? If so, what is supposed to go to all 3??
 
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Old Oct 7, 2003 | 10:59 PM
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heep70
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From: Bonney Lake,WA USA
I have gone to a onewire alt, but If I remember correctly the stock set up was white/black is the stator wire orange/blue is the field wire, and the think wire is the battery wire. The whole thing should be secured to the back of the alt with a small nut that is the ground. If you still have the stock set up you need all these connected for it to charge right.
 
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Old Oct 7, 2003 | 11:11 PM
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My wires have long ago changed colors. I only have two hooked up on the back. Any helpful ideas?
 
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Old Oct 7, 2003 | 11:32 PM
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heep70
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From: Bonney Lake,WA USA
I would like to, but as mentioned before I have changed mine to a onewire a while back. All my wire for the old set up is no longer there. Haynes Manuals are pretty good. Try pulling some of the insulating tape off the wire bundle. The wire underneth should show the colors.

I am sure someone else here has the info you need. Good luck
 
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Old Oct 7, 2003 | 11:43 PM
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Thanks, appreciate the help.
 
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Old Oct 8, 2003 | 03:09 AM
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From: Central Kali
If you have an ammeter, all you need is the main output to the Bat+ on the solinoid. Also the fld term goes to the F term on the regulator. The alternator is grounded by the mounting bolts.
 
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Old Oct 8, 2003 | 06:29 PM
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I have 2 solenoids, 1 is unhooked from battery. I'm about to post a new topic about the solenoids.
 
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