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Alternator Goin' Crazy

Cherokee91Red

NAXJA Forum User
I put in a new alternator a couple weeks ago. Well a odd times, when I first start it up I get no charge from the alternator, sometimes I do, sometimes I don't, seems kind of random. But after the engine warms up, or about a half hour or so of not working is suddenly starts charging. Any ideas?
'91, 4.0, AW4.
 
Cherokee91Red said:
I put in a new alternator a couple weeks ago. Well a odd times, when I first start it up I get no charge from the alternator, sometimes I do, sometimes I don't, seems kind of random. But after the engine warms up, or about a half hour or so of not working is suddenly starts charging. Any ideas?
'91, 4.0, AW4.


The parts house gave you a POS. I'd take it in and have them bench test it.
 
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