MECMO 360° Rotatable Vehicle Side Trailer Socket Tester, 7 Way Blade & 4 Pin Trailer Light Wire Circuit Tester 7 Pin Trailer Plug Cord Double Prongs Connector 8 Feet, 7 Way Plug Inline Wiring Harness
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)
- •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
- •8 Feet 7 Pin Pigtail:- This 8 Feet long trailer cord 7-way plug comes with 7 RV standard color-coded wires suitable for most standard trailer wiring; Pre-install 7 flat pin trailer plug is a great replacement 7 RV blade harness and is interchangeable with virtually any 7 pole RV connector
- •7-Pin Trailer-Side Plug:- 7-way copper blade molded into a heavy duty trailer-side pigtail plug for connecting tail, brake, reverse, turn signals and auxiliary power; Directly replaces the trailer-end plug of any Standard 7 way flat pin trailer wiring harness
BrandMECMO
CategoryCircuit Testers
MECMO 360° Rotatable Vehicle Side Trailer Socket Tester, 7 Way Blade & 4 Pin Trailer Light Wire Circuit Tester 7 Pin Trailer Plug Cord Double Prongs Connector 8 Feet, 7 Way Plug Inline Wiring Harness
List Price: $73.41$66.07DEALYou Save: $7.34 (10%)
Free shippingFree Returns – 30 daysFree Order CancellationSecure Payment2–3 Days DeliveryGet It June 24, 2026In Stock (1)No marketing spamNo account requiredFulfilment by FedEx / Amazon / UPS / ShipwirePayPal / Card Buyer Protection
