Bad alternator or something else

Asked by Mar 30, 2015 at 09:36 AM about the 1999 Chevrolet C/K 1500 LS Extended Cab RWD

Question type: Maintenance & Repair

I have a battery light that is flickering on and off on my '02 Chevy 1500 Pick up.  I've
replaced the battery and alternator, the battery last summer and the alternator a couple
times this last month.Thanks to a mix up at the parts store I had a 145 amp alternator
in for a day.  The truck specs calls for a 105.  In that day where I had the wrong
alternator in, the battery light did not come on at all. Would I have a bad re-
manufactured unit.  Would my PCM be bad?

2 Answers


you have a lose wire some where on the wring hornest or a lose ground could be on the frame or wring hornest


Could be a bad connection or loose wire. This has been a problem with Chevys. Owner's get to spend a lot of money with out solving this issue.

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