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Old January 29th, 2013, 10:58 AM   #6
Flexin' XJ
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Quote:
Originally Posted by 87mopar View Post
Pcm Issue? It's rare but I have seen it. IIRC the voltage is controlled by the pcm
That is the worst case for me since I have already spent the money on an alternator. PCMs are rare so it wasn't my first thought thta it would be bad.

Quote:
Originally Posted by hawkscj5 View Post
with those values i would venture to say the alt. is defective.
I just got another alternator from the parts store and am about to install it so we'll see.

Quote:
Originally Posted by deerebowtie View Post
PLIS wiring plug on the alt? jumper 12v to the S terminal and see if your lights perk up. If not, I'd suggest checking grounds and having your battery/alt tested.
Already checked the grounds, cables and wiring. Battery is brand new yesterday as is the alternator.
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