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TRAILER WIRE HARNESS TESTER

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Diagnostic Trailer Testers - Tests Lights, Air Brakes & ABS
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Trailer Wiring Testers & Tools | O'Reilly Auto Parts
Order Trailer Wiring Testers & Tools for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35+. Check here for special coupons and promotions.Founded Location: Springfield, MO
Four-Way Trailer Light Tester - harborfreight
Plug this easy-to-use trailer light tester into the 4-flat connector of your tow vehicle and the LEDs light up to confirm the wiring connections. Test your right, left, tail and brake light wiring all with one handy light tester. Fits four-way flat plugs; Male and female brass connectors; Tests right, left, tail, and brake light wiring4.8/5(327)Price: $3Brand: Haul-Master®
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