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4/5 Pin Trailer Harness Tester

Trace each lighting function on a trailer to its corresponding terminal
Item #: PA866
Manufacturer: IPA
Manuf. Part #: 7866
Weight (lbs): 0.1
Price: $18.79
Quantity:  BUY NOW
In stock! Usually ships within 1 business day.

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  • Plugs into a vehicle side socket
  • Weatherproof
  • “Winged” grip for easier installation and removal

The 4/5 Trailer Harness Tester, one person can trace each lighting function on a trailer to the individual terminal it is connected to.