7 Blade 4 Pin Vehicle Plug Tester Wire Light Brake Towing Fuse Led Truck Trailer
- Condition: New
Seller notes
Contact Us | Visit Our eBay Store 7 Blade 4 Pin Vehicle Plug Tester Wire Light Brake Towing Fuse LED Truck Trailer Plug tester into tow vehicle's towing plug. Operate vehicle's turn signals, lights and brake. Easy to use. When power is present, the tester's green LED will glow. Use tester to check if 12V power from tow vehicle is reaching the trailer's tow plug. Tester also indicates if the vehicle's tow circuit is properly configured. On 4-way flat plugs only the LT, TM and RT LED's will functi...
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