REESE Towpower adapters allow for quick conversion of different trailer wiring connectors. This particular adapter is designed to convert a 7-way round blade connector to 4-way flat trailer connector while utilizing a retractable wire extension. Able to extend to 42 inches it will reach to meet your trailers requirements. Adjust to keep wires form dragging on the ground and if not enough slack has been plan for the unit will automatically allow for greater slack in the wire if needed. It's the fastest and easiest way to make electrical connections when pulling a trailer that has a different wiring configuration than the vehicle. The rugged construction will offer years of trouble-free service and the compact design allows for convenient storage when not in being used to pull a trailer.

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