Trailer Light Tester - LED 4 Way Trailer Brake Light Tester ABN 1774

• [Test Your Trailer Lights and Be On Your Way]: Check each electrical circuit in your trailer and towing vehicle easily with the ABN 4 Pin Trailer Plug Tester; Straightforward design tests for continuity
• [Quick and Easy To Use]: Simply plug in this car trailer light adapter trailer lights tester to check your circuit wiring is functioning correctly; LEDs will light up if circuits are running correctly
• [Identify Connection Issues]: Split trailer wiring harness in half to identify if the issue is with your tow truck, utility trailer, camper, boat trailer, or horse trailer
• [Bright Visibility]: 3 LED indicator lights identify whether the tail, left, or right signal light wiring is running incorrectly; 4 way trailer wiring tester bright red LED lights are easy to see
• [Quality You Can Trust]: 2-sided 4 way flat trailer tester can be left plugged in or can be stored; Compact design fits in your pocket or glove box; Durable material ensure resistance to weather and wear

WARNING: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.