Question about 2003 GMC Envoy Xl
New alternator, regulator, ternsioner etc. Voltmeter drops when accelerating rapidly and lights dim. Battary and alt checked out fine. Now, battery wont charge, limped to my trusted service tech. Any ideas? I know the electrical system runs through ECM. How much for one of those babies? Thx.
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Posted on Jan 02, 2017
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