Alt volt regulator.......hmmmm - JeepForum.com

 
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post #1 of 4 Old 10-25-2009, 10:31 AM Thread Starter
NewhampshireYJ
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1993 YJ Wrangler 
 
Join Date: Sep 2007
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Alt volt regulator.......hmmmm

So iv been having this charging problem with my GC.Ran all new cables,battery,etc. Still didnt do the job.
So i brought the alt to get tested and they said its all good except the regulator on it is failing....to many/to less of v's going out.... He told me the black back is the volt regulator.
2 bolts and a phillips and go to jeep stealership and get a new one/install it.

My question is can u even get a v regulator for the alt?
If so were at besides stealership?
Or just get a new alt?


1993 Black YJ
All Terrain 33's-4 inch RC lift
Revolver shackles- some other stuff
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post #2 of 4 Old 10-25-2009, 10:42 AM
HighLonesome
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1995 ZJ 
 
Join Date: Feb 2005
Location: New Mexico
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Not sure what's inside that little black box. The FSM diagrams ignore it. Its not the regulator. The two small posts connect to the field coil inside the alt, which the PCM uses to regulate the system voltage. I'd try another alt at this point. If it still won't regulate, it could be PCM or wiring.
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post #3 of 4 Old 10-25-2009, 05:57 PM
platinum5.9
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yeah the regulator is built into the computer on these
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post #4 of 4 Old 10-25-2009, 06:20 PM
ZeeJay1997
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The brushes are easy to change. Go to local alternator shop and ask for a brush pack for whatever brand you have. 10-15 bucks.

But it could be a diode or capacitor too... not to mention bearings...
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