Chevrolet/GMC 6.6L Duramax Diesel Engine Supplement (GMNA-Localizing-
U.S./Canada-13337828) - 2020 - CRC - 4/17/19
Vehicle Care 77
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.
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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
Fuses Usage
7 Powertrain sensor
8 —
9 Diesel exhaust fluid
control
10 Fuel heater
11 Smart sensors
12 SCRPM
13 100 watt pump/—