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7 Pin Connection Tester
Designed to plug into a vehicle side wiring harness. 7 lead each corresponding to the correct circuit. It has an LED indicator light and when it doesn't illuminate relatively it symbolizes that a problem exists from the vehicle wiring harness back to the fuse box. It's the easy and quick way to test trailer circuits on most trucks. The tester is made from LEDs and nylon housing that ensures durability. 7 way.
Specifications