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Wiring a Brake Controller on a 2007 New Body Style Chevy Silverado  

Question:

where is the harness for trailor brakes for 2007 Silverado new body truck has a 4 pin elect. box under dash

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Expert Reply:

On your New Body Style 2007 Siverado there is no port underneath the dash, so you won't need a wiring adapter like the 3035-P. There is a bundle of 5 wires taped up together with the following colors red, dark blue, light blue, white and brown. You can find the bundle underneath the dash above the brake pedal. The wiring harness also has a white tag taped to it, which should make it easier to located. We have a chart for how to match these wires up to the wires on the brake controller. I have included a link to this page. There are pictures showing the location of the bundle.

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Patrick B

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