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I had to replace my alternator (single unit) and after installation it seems only 1 of the 2 batteries is charging when I check them while the truck is running. Anyone have an idea what check or could be the problem?
I had to replace my alternator (single unit) and after installation it seems only 1 of the 2 batteries is charging when I check them while the truck is running. Anyone have an idea what check or could be the problem?
I'd start checking the positive battery cable for breaks or corrosion inside the insulation. It's a $80 part through rockauto.com.