The 2009 GMC Yukon SLT 5.3L 4x4 Front Under Hood Body Wiring Harness 15936590 is a genuine OEM part manufactured by GMC specifically for the Tahoe and Suburban models. This wire harness is designed to be placed under the hood and includes all the necessary components for a proper connection. It is an essential part for ensuring the electrical system in your vehicle functions properly. Made by the original manufacturer, this wiring harness guarantees quality and compatibility with your GMC Yukon.