Could be you have one. You might disconnect at night and check the next day
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Type: Posts; User: 4.3LXJ; Keyword(s):
Re: Alt vs pcm/ecu
Could be you have one. You might disconnect at night and check the next day
Re: Alt vs pcm/ecu
As far as I know, yes the PCM does regulate the alternator on the 96 and up rigs. That being said though, a shaky test results still point to an alternator problem in my opinion