7-Pin Round Circuit Chaser


  • Designed to quickly test tractor and trailer lighting circuits
  • Just plug it into the pig lead coming off the back of the tractor and watch the LEDs to confirm brake, running lights, etc.
  • You can even take the tester in the cab
  • Allows the driver to remove a pin in the tester, bypassing a bad circuit or putting a jumper from the center pin to any circuit to power it up in emergencies
  • Fourteen LEDs show power to circuit
Shipped via Freight No
Index Name Trailer Tester
Warranty Code R1
Warranty Description 1 Year Replacement Warranty
Weight [Lbs] 1
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$68.99 In Stock