MECMO 360° Rotatable 7 Pin & 4 Pin Circuit Tester Adapter w/ 6 LED Indicators, Swivel 7 Way Blade to 4 Way Flat Connector Plug Tester for RV Pickup Truck Tow Hitch Towing Vehicle Trailer Wiring Socket

Specifications

• Dual Compatibility：MECMO 2-in-1 Trailer Light Tester, tests both 4-Pin Flat and 7-Way RV trailer connectors just with a single device - Universal compatibility with 99% trucks/SUVs (perfect for Ford F150, RAM 2500, Chevy Silverado, etc.)
• 360° Rotation Indicators Panel: Ergonomic swivel design 7 pin to 4 pin trailer adapter tester adapts to all towing vehicle socket orientations; Precision-engineered safety lock prevents over-rotation (180° max each side)
• 6 LED Diagnostic Matrix: Real-time circuit analysis through red indicators: brake lights, turn signals, taillights, stop, reverse, electric brakes, and 12V (auxiliary power)
• Built to Last: This 4 flat and RV 7 pin trailer wiring tester is made of IP67 Waterproof ABS housing withstands extreme road conditions; Self-cleaning terminals with brass core and tin-plated copper coating
• Easy to Use: Check LED status within 2 seconds, just simply insert 7-way blade into RV socket or connect 4-flat plug to trailer harness; No tools required - 7 pin electric trailer brake tester Perfect for roadside diagnostics