Crappy parts store voltage regulators

7dart0 said

Got 2 different regulators from advance auto and they kept over charging at 15.6v. I found and old wells regulator that says made in USA in the bottom of my spare parts drawer, sanded the edges for good ground threw it in and now car charges at a steady 14.3v.

The kicker is advance wont return it for my money back only exchange for another because it's an electrical part.

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I know it is frustrating, but there is a reason for no refunds on electrical parts. I used to work at an Advance Auto. You see, most people are NOT very good at electrical work. They do not know how to diagnose, so they just decide to throw parts at their problem. If parts stores let them bring back electrical parts for refunds, they would just keep buying different parts and returning them until they got lucky and found the part that fixed their problem; while leaving the parts store with 5 or 6 returned parts that they have to charge off as defective.