Peterbilt 579 - Page 321

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.
To
access the batteries:
1. Remove 6
fasteners securing the
passenger side seat base to the
battery box assembly.
2. Remove the
seat and seat base
as one unit to gain access to the
batteries.
WARNING!
Replace only with AGM (Group 31)
batteries. Use of other batteries could
result in acid leaks causing personal
injury in the event of a vehicle acci
-
dent. Failure to comply may result in
death, personal injury, equipment or
property damage.
Battery cables and air/electrical har-
nesses are mounted to the bottom of
the oor. Do not drill or screw into oor
pan without rst checking the location
of the cables, harnesses or any other
component that might be damaged.
Damaging any component could result
in electrical shock which could cause
personal injury and/or loss of a critical
truck system. Failure to comply may
result in death, personal injury, equip
-
ment or property damage.
WARNING!
WARNING!
Electrical damage or battery explosion
can occur when improperly charg
-
ing batteries. Refer to the Charging
System on page 5-88 for appropri
-
ate charging instructions. Failure to
comply may result in death, personal
injury, equipment or property damage.
5
(04/13) Y53-6047–2C 5-85