Tow Ready 4 Pole Flat Cover with LED Tester Review Video

Review of the Tow Ready 4 Pole Flat Cover with LED Tester

Today, we're going to review the Trailer Wiring 4 Pole Flat Cover with LED Tester. Part number 30512. This is the little tester right here. Looks just like a cap for your 4 pole. I have one here to compare to. Basically what's ...… see more >