Parts Needed to Install 7 Way and Brake Controller for 2013 Cadillac CTS  

Question:

Expert Reply:

If you've already got a 4 flat like the Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector # C56044 on your 2013 Cadillac CTS then in order to add a 7 way connector you'll want to use the # ETBC7L. The # ETBC7L is designed to work with wireless brake controllers, so I recommend using the Curt Echo # C51180 which is controlled by smartphones running iOS 8.0 or newer, or Android 4.4 or newer. The Echo plugs into the # ETBC7L and accepts the trailer's 7 way plug to activate the trailer brakes.

Since a Cadillac CTS does not have a plug and play brake controller adapter plug, a wireless brake controller is recommended to avoid running wires into the cab of the vehicle and any splicing that might be required. I've linked some review and installation videos of these parts for you to check out as well.

It should be noted that from what I'm seeing, the CTS only has a 1000-lbs towing capacity; typically trailers with brakes will weigh considerably more, so you'll want to consult the vehicle's owner's manual to avoid any potential damage to the vehicle.

expert reply by: Erik B

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