Parts Needed and Method to Install Curt Trailer Brake Controller on 2007 Chevy Silverado

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Question:

I order this brake controller for my Chevy silverado 2007 ,my question is Do I need another part fuses,adapter etc can you let me know please .

asked by: Nicolas H

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Expert Reply:

You may or may not need an additional wiring harness to install the # C84VV. If your 2007 Chevy Silverado is the new body style you will not necessarily need the harness, but if it is a Classic you will need harness # C51352 because there is a port under the dash on the floor, on the far left. One end plugs into the controller, the other end plugs into the port.

The port is located in a junction box. There is a black cover on the box. Remove the cover and plug in the harness in the top row, second sport over from the left.

If you have the new body style then there is no port but there are blunt cut tow package wires under the dash, to the left of the steering column held together with a white tag. If the wires are long enough you can just cut off the plug at the end of the brake controller. If they are not long enough you need universal harness # C51515.

You will connect the wires to the new body style tow package wiring as follows:

Brake controller white to truck white for ground
Brake controller black to truck red for 12 volt power
Brake controller blue to truck dark blue for output to trailer brakes
Brake controller red to truck light blue for input to brake controller

If there is an orange wire it is not needed.

For either the Classic or New Body styles there may be additional connections you will need to make under the hood to make everything work. I have included links to 2 FAQ articles covering each style for you.

expert reply by: Michael H

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Answer 1

The Curt Brake Control Harness you reference, part #C51352, is compatible with both time-delayed and proportional brake controllers from Curt and is intended for vehicles with factory tow package wiring. As you noted, the connection port for the…

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Answer 2

Thank you for your recent purchases from etrailer.com. The quick-connect brake controller adapter harness you purchased along with your brake controller, part #C51352, is the correct one for your 2006 Silverado. Brake controller installation in your…

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Answer 3

We do have a plug-in adapter for your 2006 GMC Sierra, but the Curt #C51451 that you referenced is a fit for Chevy Silverado and GMC Sierra pickups starting in 2014. For your 2006 Sierra you want the Curt #C51352 instead. This adapter will plug into…

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Answer 4

If you are using the same wiring adapter in the 2001 as you had in the 2006 Silverado, it would explain the problem you're having. Both model years use the same plug, but after the 2002 model year, GM changed the pinout on the connector under the…

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Answer 5

To determine why you do not have any power on the blue brake output wire, I recommend starting at your brake controller. First, make sure the brake controller is on and receiving power. Most brake controllers have 4 wires, blue (brake output to…

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Answer 6

A 4-Way trailer connector has the basic lighting functions only; running lights, left turn signal and brake lights, right turn signal and brake lights, and ground. A 7-Way has these functions and a 12 volt circuit, a circuit for electric trailer…

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Answer 7

Actually, the P3 now has the upgraded axis accelerometer like the P2. The Tekonsha P3 Trailer Brake Controller #90195, will work with both electric over hydraulic brakes on the trailer as well as electric brakes. It has a menu option on the display…

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Answer 8

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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Answer 9

The best brake controller option to go with is one that activates the brakes proportionally instead of time delayed. A proportional brake controller will activate the trailer brakes at the same time and with the same intensity as the tow vehicle…

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Answer 10

The trailer brakes work on a separate circuit than the lights. You have a couple of options to control the electric brakes on the trailer. One option is to use an air over electric brake control, #HA100400C. This unit connects to the air brakes on…

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Answer 11

The OEM prep package consists of 4 "pucks" in the bed of the truck that will allow you to drop in puck style hitches for easy installation and removal, that gives you a completely clear bed when not in use. The B&W Companion OEM 5th…

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Answer 12

It sounds like you are speaking of the wires for the brake magnets. If this is correct, you will need to connect one of the wires to the brake controller output wire on your trailer connector and the other wire will need to be grounded to a clean…

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Parts Needed and Method to Install Curt Trailer Brake Controller on 2007 Chevy Silverado

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