[Compatible Models] This Brake Controller Adapter for Chevy Silverado fits for 2003-2006 Chevrolet Silverado/Suburban/Tahoe/Avalanche/GMC Sierra/GMC Yukon/Cadillac Escalade, for 2003-2007 Hummer H2 [Easily install] This sierra brake control wiring harness does not require cutting or splicing for installation, simply plug one end of the adapter into your brake controller and then plug the custom connector end into the built-in port beneath your vehicle's dash [Compatible Brake Controller Models] 4 pin standard plug fits for many brake controller, Compatible with Draw-Tite Activator I (5100)/Draw-Tite Activator II (5500)/Draw-Tite Activator III (5520)/Tekonsha PowerTrac (39523)/Tekonsha Prodigy (90185)/Tekonsha P2 (90885)/Tekonsha P3 (90195)/Tekonsha Primus IQ (TK90160)/Tekonsha Voyager (39510)/REESE Towpower 8507111/Reese Towpower 74377 [Safe and Durable] Plugs of the trailer brake adapter for gmc yukon are made from durable ABS plastic, tin-plated copper terminals and pure copper wires improve conductivity; 2-Plug Brake Control Wiring Adapter is well protected by a black nylon net tube, ensure long service life [You Can Get] 1 * 3015-P Brake Controller Wiring Adapter, 30 days worry-free refund and 12 months worry-free services.