OPT7 7 & 4 Pin Circuit Tester Adapter w/ 6 LED Indicators

OPT7 7 & 4 Pin Circuit Tester Adapter w/ 6 LED Indicators

• [IMPORTANT NOTE] ⚠️Tester may appear upside down on some 2017+ Newer F150/Chevy/GMC models. Not compatible with LED lighting systems or vehicles with lamp-out sensors, such as BMW, VW, Audi, Mercedes-Benz, Porsche etc.
• [QUICK AND EASY TESTING] Simplifies testing of trailer circuits for 7-Pin and 4-Pin connectors. Tests brake lights, reverse lights, turn signals, electric trailer brakes, and 12V auxiliary power.
• [6 LIGHT FUNCTIONS] Each function has a dedicated LED indicator for easy troubleshooting. Labels: LT= Left Turn/Stop, RT= Right Turn/Stop, TM= Tail Lights, BK= Electric Brakes, BU= Backup/Reverse, 12V= Auxiliary Power.
• [2-IN-1 DESIGN] Combines a 4-way circuit tester and 7-way trailer light tester, while also converting 7-pin output for connecting 4-way trailer plugs, suitable for most trucks.
• [WARRANTY] Fully covered by our free 30-day warranty, offered only by OPT7.