Auxiliary

The auxiliary battery option includes a 78 ampere-hour primary battery. A remotely packaged auxiliary 75 ampere-hour, serviceable, deep cycle battery is an option for these vehicles. The auxiliary battery is located on the right-hand frame rail to the rear of the B-pillar. The auxiliary battery is used to supply the trailer circuits with power when the vehicle is not running. The auxiliary battery is connected in parallel with the primary battery through the auxiliary battery relay when the engine is running. Vehicles with the auxiliary battery uses the same primary cable with only the primary battery. The illustration shows the auxiliary battery electrical configuration.