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How do you wire a brake controller?

By Mia Walsh |

How do you wire a brake controller?

Brake Controller Installations Steps

  1. Use a butt connector to connect the black wire in the duplex cable to the 12 volt hot lead (black wire on the 7-way connector).
  2. Then do the same for the white wire in the duplex cable and the brake wire (blue wire on the 7-way connector).

Where do I mount my brake controller?

Find a suitable mounting location for the brake controller. On most vehicles, particularly large trucks and SUVs, the best place tends to be below and off to the side of the steering wheel. Here the controller will be easily visible but out of the way. It can also be mounted above the dash.

Where do I find the 4 way connector for my brake controller?

If you do not currently have a 4-way connector on your vehicle, you can use the Vehicle Wiring Fitguide to locate the custom-fit wiring harness, and the Brake Controller Fitguide to find the brake controller for your application.

How do you mount a brake controller to the dash?

Using the screws provided, install the mounting bracket into the dash. Make sure you avoid drilling through components on the other side of the dash. Secure the brake controller into the mounting bracket. The four wires on the brake controller will be connected shortly. 1.

Where is the trailer brake controller harness located?

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. Figure 1. Trailer brake controller harness.

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.

Using the screws provided, install the mounting bracket into the dash. Make sure you avoid drilling through components on the other side of the dash. Secure the brake controller into the mounting bracket. The four wires on the brake controller will be connected shortly. 1.

Where do I find the brake controller wire?

If unable to find existing wiring under the dash, you may need to crawl under the vehicle and try to follow the Brake Controller “control” wire from rear’s 7-pin connector to driver’s side foot well area. Previous owner may have run a custom duplex wire from rear to back – under vehicle’s under belly. Hope this helps.

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. Figure 1. Trailer brake controller harness.

How to install a 7 way brake controller?

3. Ground the 7-way connector by screwing the white wire with a ring terminal on it into the frame of the vehicle. If you will be using your reverse trailer lights, attach the yellow wire coming out of the 7-way connector to your reverse light wire, using one of the quick splice wire connectors included with the kit.