Easily diagnose electrical issues or verify new wiring harnesses with this CURT 7-way RV blade connector tester. This tool plugs directly into your vehicle's socket to test tail lights, turn signals, brake lights, and auxiliary power using clear LED indicators.

• Confirms proper function of vehicle-side wiring connectors to ensure safety.
• Comprehensive testing for tail, brake, reverse, turn signals, and auxiliary power.
• Features dedicated labels for each LED to clearly indicate intended electrical functions.
• Built with durable plastic construction and long-lasting LED lights for reliable use.