ELECTRICAL ADAPTER WITH TESTER (7-WAY RV BLADE VEHICLE TO 4-WAY FLAT TRAILER) #57245
- Adapts a 7-way RV blade vehicle socket to fit 4-way flat trailer plugs
- Simple plug-and-play design eliminates the need for cutting or splicing
- 4-way flat output connects tail lights, brake lights and turn signals
- LED tester confirms proper function of vehicle-side wiring connector
- Dust cover keeps connector clean when not in use