This is a Genuine Meyer OE 07343 Adapter Harness Kit
This adapter kit is for the lights on a 2007+ GMC Yukon with a Snowplow Prep Package Changeover System. This will work for vehicles with H13 lights. It includes the "A" Port Adapter Wiring Harness 07348 and the "B" Port Adapter Wiring Harness 07349.