Black plate (66,1)Cadillac Escalade/Escalade ESV Owner Manual - 20129-66 Driving and Operating3. Turn the fasteners on the lowertabs 90 degrees clockwise tolock the cover in place.Safety ChainsAlways attach chains between thevehicle and the trailer. Cross thesafety chains under the tongue ofthe trailer to help prevent the tonguefrom contacting the road if itbecomes separated from the hitch.Instructions about safety chainsmay be provided by the hitchmanufacturer or by the trailermanufacturer. Safety chains shouldbe attached to holes on the trailerhitch platform. Always leave justenough slack so the combinationcan turn. Never allow safety chainsto drag on the ground.Trailer BrakesA loaded trailer that weighs morethan 900 kg (2,000 lbs) needs tohave its own brake system that isadequate for the weight of thetrailer. Be sure to read and followthe instructions for the trailer brakesso they are installed, adjusted andmaintained properly.Do not tap into the vehicle'shydraulic system.Trailer Wiring HarnessHeavy-Duty Trailer Wiring HarnessPackageThe vehicle has a seven-pinuniversal heavy-duty trailerconnector attached to the rearbumper beam next to the integratedtrailer hitch.The seven-wire harness containsthe following trailer circuits:. Yellow: Left Stop/Turn Signal. Dark Green: Right Stop/TurnSignal. Brown: Taillamps. White: Ground. Light Green: Back-up Lamps. Red: Battery Feed*. Dark Blue: Trailer Brake**The fuses for these two circuitsare installed in the underhoodelectrical center, but the wires arenot connected. They should beconnected by your dealer or aqualified service center.If charging a remote (non-vehicle)battery, press the tow/haul modebutton located at the end of the shiftlever. This will boost the vehiclesystem voltage and properly chargethe battery. If the trailer is too lightfor tow/haul mode, turn on the
