• 7 Pin Trailer Junction Box - Waterproof 7 Way Trailer Wiring Junction Box for Rewiring RVs, Campers & More - Tidy Your 7 Pin Trailer Wiring Harness, Quick Identification, Sealed Protection KWD 3.500
• Trailer Light Tester 4 Pin, Quick Troubleshooting 4-Way Trailer Wire Tester for Trailer Brake, Turn, and Tail Lights, 4 pin Trailer Plug Tester KWD 2.500
• 7 Pin Trailer Connector Waterproof 7 Way Trailer Socket adapts to 7-Pin Trailer Plug with All-Weather Design for Easy Installation for Vehicle, Trailer, Truck and RV Lighting KWD 3.500