Electrical System; Engine Compartment Fuse Block - Chevrolet GMC Duramax 2023 Manual

58 Vehicle Care
functioning properly. The fan will slow down
when additional cooling is not required and
the clutch partially disengages.
This fan noise may be heard when starting
the engine. It will go away as the fan clutch
partially disengages.

Electrical System

Engine Compartment Fuse Block

For additional fuse and electrical
information, see Electrical System in the
owner s manual.
The Auxilary fuse block is in the engine
compartment, on the driver side of the
vehicle.
Lift the cover to access the fuse block.
Caution
Spilling liquid on any electrical
component on the vehicle may damage
it. Always keep the covers on any
electrical component.
A fuse puller is available in the left
instrument panel end cap.
The vehicle may not be equipped with all
the fuses, relays, and features shown.
Danger
Fuses and circuit breakers are marked
with their ampere rating. Do not exceed
the specified amperage rating when
replacing fuses and circuit breakers. Use
of an oversized fuse or circuit breaker can
result in a vehicle fire. You and others
could be seriously injured or killed.
Auxiliary Fuse Block