Install the Reese Towpower Trailer Wiring Adapter with LED Tester. Reese Towpower adapters allow for quick conversion of different trailer wiring connectors. This particular wiring adapter is designed to convert a 7-way blade connector to 4-way flat trailer connector and comes with a 4-flat tester. It is the fastest and easiest way to make electrical connections when pulling a trailer that has a different wiring configuration than the vehicle. The trailer adapter's 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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