Re: Alternator problem on 2021 GMC Terrain
Thanks guys for the input, I read in an automotive journal that the alternators are controled by computer chips, in other words cycling up or down as the load demands in order to save fuel. When the tech that checked my car & showed me the printout claiming the alt was within GM specs I offered to bet him $100. dollars that the printout was wrong, he would not go there. Then he said GM would not allow the replacement of the alt if the printout showed it was good.
I went to well respected alternator shop & asked if he could build an alt for my car, he checked & said he couldn't get the parts to do it.
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