ELECTRICAL In-Cab Battery Box Your vehicle may be equipped with Absorbed Glass Mat (AGM) batteries located in the cab under the passenger’s seat. The glass mat in AGM batteries are designed to absorb the battery acid inside the battery that can leak or spill out in conventional batteries. This design feature allows batteries to be positioned in any orientation without risk of leaking. Replace only with AGM (Group 31) batteries. Use of other batteries could result in acid leaks causing personal injury in the event of a ve- hicle accident. Failure to comply may result in death, personal injury, equipment or property damage. WARNING!
Electrical damage or battery ex- plosion can occur when improperly charging batteries. Refer to the Battery Charging on page 5-97 for appropriate charging instructions. Failure to comply may result in death, personal injury, equipment or property damage. WARNING! WARNING! To access the batteries: Battery cables and air/electrical har- nesses are mounted to the bottom of the floor. Do not drill or screw into floor pan without first checking the location of the cables, harnesses or any other component that might be damaged. Damaging any compo- nent could result in electrical shock which could cause personal injury and/or loss of a critical truck sys- tem.
Failure to comply may result in death, personal injury, equipment or property damage. 1. Remove 6 fasteners securing the passenger side seat base to the battery box assembly. 5 2. Remove the seat and seat base as one unit to gain access to the batteries. 5-94 Y53-6077-1B1 (03/17)