2010 Jeep Wrangler Owner's Manual - Page 432

STARTING AND OPERATING 431 − Check for signs of tire wear or visible tire damage − An electronically-actuated trailer brake controller is before towing a trailer. Refer to "Tires - General required when towing a trailer with electronically Information" in "Starting and Operating" for the actuated brakes. When towing a trailer equipped with proper inspection procedure. a hydraulic surge-actuated brake system, an electronic brake controller is not required. − When replacing tires, refer to "Tires - General Information" in "Starting and Operating" for proper tire − Trailer brakes are recommended for trailers over 1,000 lbs (454 kg) and required for trailers in excess of replacement procedures. Replacing tires with a higher load carrying capacity will not increase the vehicle's 2,000 lbs (907 kg). GVWR and GAWR limits. Towing Requirements - Trailer Brakes − Do not interconnect the hydraulic brake system or vacuum system of your vehicle with that of the trailer. This could cause inadequate braking and possible personal injury. CAUTION! If the trailer weighs more than 1,000 lbs (454 kg) loaded, it should have its own brakes and they should be of adequate capacity. Failure to do this could lead to accelerated brake lining wear, higher brake pedal effort, and longer stopping distances. 5