Vehicle-specific plug-and-play harness that connects a Curt trailer brake controller to your truck or SUV's factory brake controller socket, with no cutting or splicing required.
A Curt Quick Plug brake controller wiring adapter is one of the fastest and easiest ways to connect your brake controller to your vehicle — no cutting or splicing required. Simply insert the vehicle-specific plug end into your truck or SUV's factory brake controller socket, then plug the other end into your Curt trailer brake controller.
This particular harness is built for select 2003-2007 model years of the Cadillac Escalade, Escalade ESV, and Escalade EXT, Hummer H2, Chevrolet Silverado, and GMC Sierra 1500, 1500HD, 1500 Classic, 1500HD Classic, 2500, 2500HD, 3500, and 3500 Classic, as well as the Avalanche, Suburban, Tahoe, Yukon, and Yukon XL. It's compatible with any Curt trailer brake controller equipped with a quick plug connector, including proportional, inertia, and time-delay models, and can be used as a replacement harness or for a first-time controller installation.
Plug-and-play connection to the factory socket
Quick, straightforward setup
Reliable electrical connection and braking performance
Protects wires from crushing and abrasion
This harness covers select 2003-2007 model years, not just 2003-2006, and spans several GM-family brands beyond Chevrolet, including Cadillac, GMC, and Hummer. Confirm your exact make, model, and year against Curt's application guide at curtmfg.com before ordering. California Prop 65 Notice: This product can expose you to chemicals including Di(2-ethylhexyl) phthalate, known to the State of California to cause cancer, and Di-n-butyl phthalate, known to cause birth defects or other reproductive harm.
In The Package: • Quick Plug Wiring Harness • Protective Sleeve