Genuine Buick Rainier Trailer Wiring Adapter
1 Trailer Wiring Adapter found
A custom-designed Trailer Wiring Adapter lets you use your trailer wiring harness to power devices by converting a seven-pin harness to a 12-volt power outlet. The seven-pin round to four-pin flat adapter allows for easy connection to trailer wiring harnesses that only require the standard four-pin connector. There are multiple versions of this accessory.