Helping solve the unknown. LED lights illuminate when the trailer is connected to the tow vehicle verifying that each function is working properly saving time during setup and diagnosis. Get your vehicle ready to tow the most common type of trailer on the road by installing this vehicle side 4 flat. This LED Test 4 flat connector includes printed wire functions that make installation quick.

Product Features:

LED Test Lights Verify Wiring Continuity
Built-In Trouble-Shooting
Most Commonly Used Trailer Connector
Found On Small Boat/Utility
Easy-Pull Grip Design
Printed Wire Functions For Easy Wire Reference
Ring Terminal On Ground Wire