Fun Testing 7 Way Trailer Plug

The type of connection depends on what is available for your vehicle model.

Testing 7 way trailer plug. On a four prong plug one prong. Next insert your black lead into the com port and your red into the voltage port. How to test 7 pin plug with a multimeter to test if any of the wirings in the 7 pin plug is not working you will need to use your digital multimeter and ensure it is capable of testing for volts.

Have your helper hold down the brake pedal while you probe the terminal that is connected to the blue wire in the connector. Get it as soon as thu dec 10. 4 6 out of 5 stars 125.

Free shipping on orders over 25 shipped by amazon. To check the pins on the vehicle side 7 way you can use a circuit tester or the volt meter. Hardwire 4 pole trailer connector kit for vehicles with combined wiring where the turn and brake signals are sent along the same wire.

Turn your multimeter to the v symbol on a multimeter dial. One way to troubleshoot the voltage on the connector plug is to use a circuit tester. How to test a 4 prong trailer connector plug by richard asmus.

Quick splice connectors and circuit tester included. The circuit tester will show you if a signal is coming through on the pin you are testing while the volt meter will tell you that and how much voltage is being sent. Ram pro rv trailer plug light circuit tester adapter 7 way blade 4 pin trailer wiring tester trailer light wire circuit tester for boat suv truck 4 6 out of 5 stars 84 16 99 16 99.

7 round pin trailer circuit tester 7865l. Go to the trailer connector on the back of the tow vehicle with your multimeter. You ve connected the trailer to the vehicle but the turn signals and brake lights don t work.