How to wire a trailer brake control to a Chevy Silverado?

Hard-wire the connections from the brake controller to the blue, black and white dead tails left under the dash if a “plug-and-play” harness is not installed; they are normally left loose but bundled with tape somewhere below and behind the dials.

Can a trailer brake controller be mounted on a trailer?

Once you have the trailer brake wiring to your trailer brake controller wiring mapped out, you can start making the connections. Make sure you have enough wire to be able to reach to wherever you plan to mount the controller at.

Where to put a brake bracket on a Chevy Silverado?

Wrapping wires in electrical tape. Where you install the bracket is completely up to you, there have been brackets installed anywhere from halfway up the dash by the radio to down under on the kick panels. Just be sure wherever you decide to install them you have enough room in your wires to allow you to do so.

Where can I get a trailer brake harness?

Consult Chevrolet Bulletin #06-08-45-008A, a copy of which should be available from any main dealer. The Bulletin features detailed wiring diagrams and the locations of wires and components which comprise the trailer brake control harness.

Do you need a trailer brake controller for a Chevy Silverado?

Unfortunately, GM chose not to make trailer brake controllers standard with the HD towing option. For those of you who have a trailer with electronic brakes, this means you’ll need to install one yourself.

When to install brake controller on GMC Sierra?

When you install a brake controller on a 2007 (new body style) through 2013 GMC Sierra or Chevy Silverado, you will have additional wires under the hood which make the installation slightly different from a typical installation. The following will take you through step-by-step through this installation process.

Where is the trailer brake harness on a Chevy Silverado?

This will allow you to make the proper connections to the harness located under the dash. Looking under the driver side dash on the left side, you’ll see a wiring harness taped up out of the way. This is the trailer brake harness that you’ll need to pull down.

How do you hook up a trailer brake controller?

Route the wiring harness out of the junction box through the upper side of the cover. Figure 3. The orange trailer brake controller 6-pin connector has been plugged into the junction box. Zip tie the wiring harness up and away from the floor board, then plug the connector into the back of the controller. Figure 4.

How to install a brake controller on a car?

Using the self-tapping screws, secure the mounting bracket into the bumper and the trailer connector into the bracket. Plug the 4-pole adapter coming out of the 7-way connector into the vehicle’s 4-pole trailer connector. Ground the 7-way connector by screwing the white wire into the frame of the vehicle.

Where is the brake control box on a 1999 Chevy?

This junction box (shown below) is located on the driver’s side below the dash, left of the brake pedal. If the factory brake control adapter cannot be found, we offer a replacement (for model years 1999-2002 use 3025-S, for years 2003-2006, including 2007 Classic models use 3015-S).