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Electric Trailer Controller

I'm not exactly sure where this is located but here is the contents of a post that I found on another forum. Hope it helps.

Just finished install of my Brake Control on the new Chevrolet Tahoe.

Some prior Chev/GMC's used a pigtail and well labeled wires.

For 2007 the wires are looped under the dash.

I went to the Chev dealer and had a tech pull the trailer wire ends out from under the dash. I could see the wires but didnt want to take responsiblity - as the wires were bundled with a bunch of other wires. The tech also showed me the fuse box under the hood and a heavy duty red wire with a round connector. The red wire needs to be connected to a 30 or 40 amp fused auxillary terminal on the front end of the fuse box. New owner's manual not very helpful as instructions say to "contact dealer for installation".

The GM wires are marked:

Black/Red - Battery

White - Ground

Aux

CHMSL

Evidently the Aux is the Brakes and

the CHMSL is the Stoplights

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13y ago

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