Check the listing for details. Trailer Brake Control Switch Assembly 15823719 for Chevy Silverado 1500 2007-14. Condition: New. Listed at 19.43 USD. Feature:Function: A trailer brake control switch can help maintain trailer control through selective wheel braking and reduced engine power.The trailer brake controller module is made of durable material ABS, waterproof and durable. It is not easy to deform after long term use, and it is resistant to temperatures.The slide switch can smoothly control the trailer brake, large buttons can adjust the braking forceThe pin number is 8 so you should make sure your car model.Easy installation. Plug and play installation when replacing the old equipment module.Good replacement. This trailer brake control module matches the fit and function of the old control module.Easy installation, good to match your car. Installation Manual is Not Included.