Today we're going to be talking about the Tekonsha 7 Pole Light Tester with current monitor and voltage meter. Part number is 6565. Our Tekonsha Tester is really a nice heavy duty piece of equipment. You can see here it's going to give us a read out for brake current and brake voltage. We also have the option of going from our trailer brakes down to our trailer battery charge. That's going to give… see more >