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Harness Checker 4/5-Way Pin Tractor Trailer

  • The 4 & 5 pin - Circuit Tester easily traces each lighting function to the terminal in question.
  • Each LED light corresponds to the circuit being energized
  • Provides an easy to connect ground terminal for trailer lighting set-up.
Item # 7866
Shipping Weight 0.20 lbs.
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Product Specifications

Shipping Weight 0.20 lbs.

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