7 Way Trailer Light Tester

7 Way Trailer Connector Circuit Tester Round Wireless 6 Function Led Light Indicator

This trailer 7 way connector circuit measures 4 H 1.5 D takes the guess work out of connecting trailers.
Designed with heavy duty nylon housing and bright LED indicator lights that typically have a lifespan of 10+ years tests 6 separate trailer light functions.
Lt left : Marker lights
TM tail: Maker lights
RT Right turn signal: Right brake light
12V Power to trailer
Bu Back up and Auxiliary
Bk Electric brakes