4/5 Pin Trailer Harness Checker


4/5 Pin Trailer Harness Checker

  • 7866_4_5_Pin_Trailer_Circuit_Tester_Product_1_cap_on_bottom
  • 4-5_way_round_pin_tractor_trailer_circuit_tester_action
  • 8026 action image
  • 7866 In Packaging

4/5 Pin Trailer Harness Checker

Test 4/5 pin towing circuits at the back of the truck.

Find A Distributor
For International Customers
Distributor Information

To locate a distributor near you, please call 888-786-7899 or email us here.

International Sales

To place an order from outside of the United States, please call 888-786-7899 or email us here

Price $23.50

In Stock
Ships Within 2 Business Days


Allows One Man to Trace Each Lighting Function to the Terminal in Question.


Features and Benefits:

  • Plugs into the vehicle side socket
  • LEDs indicate that each circuit is working
  • Eliminates guesswork


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Materials: Plastic, Tin, Copper
Package Weight: .1 lbs.
Package Dimensions: 5" L x 4" W x .5" H
Warranty: 1-Year Limited Warranty
CoO: Taiwan

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