







![True Mods 4-Way Flat Trailer Wiring Tester [Nickel-Plated Copper Terminals] [Male & Female] [Continuity Test] 4-Pin Trailer Light Wire Circuit Tester](https://m.media-amazon.com/images/I/714csEeqykL._SX522_.jpg)
True Mods 4-Way Flat Trailer Wiring Tester [Nickel-Plated Copper Terminals] [Male & Female] [Continuity Test] 4-Pin Trailer Light Wire Circuit Tester
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Product Details
STRAIGHTFORWARD TRAILER LIGHT TESTING - Simply plug the tester inline between the tow vehicle and trailer, turn on the lights and check the easy to read LEDs.
ISOLATE PROBLEMS QUICKLY- By effectively splitting the trailer wiring harness in half, problems can be quickly traced to the tow vehicle side or the trailer side wiring.
NO TOOLS NEEDED - Plug-n-play design means you don't need anything else to effectively test your trailer light harness.
LONG LASTING CONSTRUCTION - Designed to be weather, corrosion, and impact resistant for years of reliable service.
CONVENIENT COMPACT DESIGN -The two-sided design means you can leave it plugged in or store it conveniently in your glove box, door pocket, or tool box.
Best Review
Customers find the trailer wiring tester works well after installing the harness and appreciate its ease of use for checking connections and lights. The device saves time in troubleshooting and offers good value for money. While some customers report good build quality and brightness, others mention it broke almost immediately or didn't light up properly. The fit receives mixed feedback, with several customers noting it's small.AI Generated from the text of customer reviews