Suitable for 4-pin small trailer light testers and circuit troubleshooter, quickly and easily check whether your trailer wiring is properly installed on your vehicle
Compact pocket design 4 way flat trailer tester with a key ring for easy carry, you can attach it on your key holder, No batteries needed
Brass connectors makes better conductivity, waterproof ABS Plastic Housing designed to be weather, corrosion, and impact resistant for years of reliable service
4 pin trailer wiring tester plugs into tow vehicle's conventional 4-prong flat towing plug to test turn right/left, and tailgate light for proper operation
Easy to see bright LEDs: Turn on the lights and check, you can easily read the LEDs and find out which wiring has a problem
Oyviny 3045-P Brake Control Wiring Adapter for Dodge Durango 2011-2021/Jeep Grand Cherokee 2011-2021/Chrysler Pacifica 2017-2021
KWD 7
-7%
Oyviny Custom 4-Way Trailer Wiring Harness W/Powered Converter 56217 for 2008-2019 Toyota Highlander, for 2020-2021 Lexus RX 350/350L, Plug&Play 4 Pin Highlander Towing Trailer Wiring Installation
KWD 13
Oyviny Custom 4 Pin Trailer Wiring Harness 56325 for GMC Acadia 2017-2021/Chevy Blazer 2019-2021/Buick Envision 2021-2022/Cadillac XT5 2017-2022/XT6 2020-2021
KWD 8
Oyviny 56107 Custom 4 Pin Trailer Wiring Harness for 2004-2007 Toyota Highlander, Factory Tow Package Required
KWD 14
