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Gm Tech (Cam)
Gm Tech (Cam), GMC Mechanic
Category: GMC
Satisfied Customers: 1672
Experience:  GM Grand Master Technician 2007. 14 year experience.
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GM savana: I have a 2009 gmc savana just finish overhauling

Customer Question

I have a 2009 gmc savana just finish overhauling the engine.i install a new alternator. Now the battery light stays on and i have a p0622 code is it a short to ground?
Submitted: 1 year ago.
Category: GMC
Expert:  Gary replied 1 year ago.
I am sorry for the long waitany access to a scan tool to see live computer data ?the big red power wire shows 12 volts at the alternator stud ?