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
Key features
- •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
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
List Price: $41.89$37.70DEALYou Save: $4.19 (10%)
Free shippingFree Returns – 30 daysFree Order CancellationSecure Payment2–3 Days DeliveryGet It June 25, 2026In Stock (30)No marketing spamNo account requiredFulfilment by FedEx / Amazon / UPS / ShipwirePayPal / Card Buyer Protection
