MECMO 360° Rotatable Vehicle Side Trailer Socket Tester, 7 Way Blade & 4 Pin Trailer Light Wire Circuit Tester and 7 Prong RV Trailer Light Connector Socket 7 Pin Wire Electrical Trailer Adapter

Key features

•RV 7-Way Trailer Connector: - 7-Blade, RV-style trailer connector for vehicle side. 7-Way connects to towing vehicle's wiring provides full function 7-way connection to power trailer's taillights, brake lights, turn signals, reverse lights, electric trailer brakes and auxiliary power (12V+ wire)
•Quick-install: - Prewired 7-way car end trailer wiring connector pigtail harness with butt connector for 7-wire RV standard color coded wire, could be directly hardwires into truck's existing wiring
•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

BrandMECMO

CategoryConnectors

MECMO 360° Rotatable Vehicle Side Trailer Socket Tester, 7 Way Blade & 4 Pin Trailer Light Wire Circuit Tester and 7 Prong RV Trailer Light Connector Socket 7 Pin Wire Electrical Trailer Adapter

List Price: $59.45$53.51DEALYou Save: $5.94 (10%)

Free shippingFree Returns – 30 daysFree Order CancellationSecure Payment2–3 Days DeliveryGet It June 22, 2026In Stock (1)No marketing spamNo account requiredFulfilment by FedEx / Amazon / UPS / ShipwirePayPal / Card Buyer Protection

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