NEWSUN® 2 in 1 Trailer Connector Tester, 7 Way Round RV Blade & 4 Way Trailer Light Circuit Plug Tester, 7 Pin Rv to 4 Pin Flat Trailer Adapter Socket Tester, 6 Funcation for RV, Truck, Trailer
- 2-in-1 Design: Streamlined Testing for 4-Pin and 7-Way Connectors! Easily test trailer circuits on most trucks with our dual-function trailer light tester. Note: Upside-down testing required for 2017 Newer Ford/GMC/Chevy models
- 7-Pin to 4-Pin Trailer Plug Adapter: Effortlessly convert the vehicle-side 7-pin output to a 4-pin flat adapter. Connect your 4-way trailer light plug with ease
- Comprehensive 6 Light Functions Testing: Confirm the functionality of taillights, brake lights, reverse lights, turn signals, electric trailer brakes, and 12V auxiliary power. Get a quick and accurate assessment of your trailer lights
- Illuminate with Confidence: Each electrical function is equipped with a bright LED indicator. Easily identify any wiring issues with our LED lights
- Durability for Long-Lasting Use: Crafted from durable ABS material for reliable performance and extended lifespan. Ensure your testing solution stands the test of time