Motorcraft vs Delco

Posted by Tom S. in Tn. on December 06, 2004 at 06:34:06 from (65.7.69.158):

In Reply to: Re: Change external reg'd alternator to internal posted by Jon H on December 05, 2004 at 20:39:24:

I"m working on a big 90 something amp unit [called a "blue back"] on an 8000 series truck, and the new replacement appears to have a solid state reg inside the rear frame housing. I have a big 130 amd Leece Neeville unit off a bus, but I wanted to stay with an updated Motorcraft. Like Delco or etc., they all require 12v switched current with a diode or bulb to prevent current backflow, and the 12v output connected in line with the battery. I have the principle, but I did not know what was what on the back of the 2 alternators and where the switched 12 volts should go. I have to check with a meter at the regulator plug to find the switched 12v [stator or field?] and take that wire from the fender and out of the harness and over to the alternator [supply you say?]....I think.
I have replaced old ext. reg"d generators with int. reg"d alternators, and I "think" the process is about the same. Isn"t it?
Thanx; Tom S.

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