My 1999 Yukon turns off when I turn on the lights and ac I just replaced the alternator

Asked by Apr 25, 2015 at 08:56 PM about the 1999 GMC Yukon

Question type: Maintenance & Repair

1 Answer

92,915

Still a low voltage problem, recheck the charging system, make sure the alternator has battery voltage at the main connection. And it is getting the activation signal.

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