Batteries - Peterbilt 348 2017 Operator's Manual

NOTE
If you are unfamiliar with proper
electrical repair practices and pro-
cedures, see your authorized dealer
for assistance.
NOTE
Easy addition of circuits is provided
by plug-in connectors that have a
ground and a power wire.
For proper electrical system
performance, refer to a wiring
diagram for your chassis before adding
electrical options.
(03/17)
WARNING!
Never install a circuit breaker in a
circuit that is designated as "fuse-
only" circuit(s). Fuse-only circuits
are marked with an * on the reverse
side of the Fuse Panel cover. Using
a circuit breaker in those fuse-only
circuits may cause the circuit to
overheat when a short exists which
could lead to equipment damage
and/or personal injury.
Y53-6060-1C1
ELECTRICAL

Batteries

Battery Access
The vehicle is originally equipped with
three or four batteries. Replacement
batteries must meet the following
specifications: maintenance-free,
group 31 size, threaded stud, 12V/ 650
cold cranking ampere (CCA), and 160
minutes of reserve capacity.
The battery compartment is located on
the left side of the vehicle, under the
cab access steps.
1. Remove the 6 bolts that are
located in the 2 cab access step
plate.
2. Remove battery cover for access.
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