Part of towing responsibly is making sure your trailer lights are working properly. Whether you have just installed a new custom wiring harness or are trying to locate the cause of an electrical problem, CURT connector testers are great for testing tail lights, turn signals, brake lights, ground connections and other electrical components on your vehicle. Confirms proper function of vehicle-side wiring connector Tests 7-way for tail, brake, reverse, turn signals, brakes and auxiliary power Easy-to-see labels for each LED, indicating the intended function Color-coded LEDs to easily distinguish each vehicle signal Constructed with LED lights for long-lasting use Integrated resistors for compatibility with Smart Tow U.S. Pat. No. 12,117,477
