Where is the brake controller plug in harness on a GMC Sierra?
On your 2009 GMC Sierra that is equipped with a tow package, the wiring to install a brake controller is already ran from the factory and a plug-in adapter is not needed. You will find a bundle of wires below the dash to the left of the brake pedal. The wires should be taped up and tucked up and out of the way.
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.
Where is the tow package for the brake controller?
Below the steering column, there is a bundle of wires tied together with white tape, located left of the brake pedal. This bundle of wires is the tow package for the brake controller. Carefully cut the white tape binding the wires, and pull the wires down from underneath the steering column.
How to install an electric brake controller on a GM car?
These can be obtained locally. You will need (1) M6 x 1.0 nut and (1) M8 x 1.25 nut. CAUTION: Raising the Gray handle more than 3/8 of an inch to gain access to the studs may result in the fuse box coming disconnected from the electrical connector. If disconnection occurs you may have to consult your local GM dealership for repairs.
On your 2009 GMC Sierra that is equipped with a tow package, the wiring to install a brake controller is already ran from the factory and a plug-in adapter is not needed. You will find a bundle of wires below the dash to the left of the brake pedal. The wires should be taped up and tucked up and out of the way.
How to install a brake controller on Chevrolet / GMC 1999?
Hardwire the open wires of the brake control adapter to the wires on the brake controller. Plug the other end of the adapter into the electrical junction box (see above). Mount the brake controller in a place that is easily accessible. A: Remove the bracket in the corner closest to the driver. B: Remove the top cover of the “Accessory Fuse Block”.
Where do I plug in a brake controller?
The brake control adapter is plugged into the second slot from the left on the top row. Hardwire the open wires of the brake control adapter to the wires on the brake controller. Plug the other end of the adapter into the electrical junction box (see above). Mount the brake controller in a place that is easily accessible.
Can a Hopkins brake controller be used on a GMC?
If you do not have wires running out of the brake controller, and you have a Hopkins brake controller you can use the Hopkins # HM47795 Adapter. But you would need to cut off the vehicle side plug and then connect the wires. I have linked an FAQ Article on installing a brake controller on 2008 and newer GMC and Chevrolet trucks.
If you do not have wires running out of the brake controller, and you have a Hopkins brake controller you can use the Hopkins # HM47795 Adapter. But you would need to cut off the vehicle side plug and then connect the wires. I have linked an FAQ Article on installing a brake controller on 2008 and newer GMC and Chevrolet trucks.
What are the colors of the brake controller?
The wire colors coming out of the brake controller are as follows: White is ground, Black is 12 volt power, Red is stoplight switch, and Blue is brake control output. You will want to use a circuit tester like part # 40376 to test wire functions.
Where is the trailer brake controller on a Silverado?
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. Figure 1. Trailer brake controller harness. Once you have the trailer brake wiring to your trailer brake controller wiring mapped out, you can start making the connections.
Where do you plug in a brake controller?
Using a vehicle-specific wiring harness, plug the brake controller into the vehicle. One end of the wiring harness plugs into the vehicle’s factory harness under the dash, and the other end plugs into the brake controller. The location of your vehicle’s factory wiring harness may vary. Refer to the diagram below to locate yours.
These can be obtained locally. You will need (1) M6 x 1.0 nut and (1) M8 x 1.25 nut. CAUTION: Raising the Gray handle more than 3/8 of an inch to gain access to the studs may result in the fuse box coming disconnected from the electrical connector. If disconnection occurs you may have to consult your local GM dealership for repairs.
What is the trailer brake relay on a GMC?
GM is receiving a number of returned Trailer Brake Control Modules (TBCM) and Trailer Brake Relays that are completely functional. The TBCM monitors the voltage of the electric brake wire (dark blue circuit 47) that runs from the trailer brake relay to the 7-pin trailer connector in the bumper.
Can a GM Factory Brake Controller be added later?
Your only option is to install an aftermarket controller. This is true. Unfortunately you can’t add it later. Go to your local gm dealer and ask them to install an aftermarket controller. They stock gm endorsed controllers and install them on a frequent basis. Exactly.
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.
Where is the trailer brake control panel located?
This symbol is located on the Trailer Brake Control Panel on vehicles with an Integrated Trailer Brake Control system. The power output to the trailer brakes is based on the amount of brake pressure being applied by the vehicle’s brake system.
Can you use an aftermarket trailer brake controller?
An aftermarket controller may be available for use with trailers with surge, air, or electric-over-hydraulic trailer brake systems. To determine the type of brakes on the trailer and the availability of controllers, check with your trailer manufacturer or dealer. • The ITBC system is used only with trailers that are equipped with electric brakes.
How can I find out what kind of brakes my trailer has?
To determine the type of brakes on the trailer and the availability of controllers, check with your trailer manufacturer or dealer. • The ITBC system is used only with trailers that are equipped with electric brakes. • All applicable local and federal laws and regulations are followed.