GMC Canyon/Canyon Denali Owner Manual (GMNA-Localizing-U.S./Canada-
14430430) - 2021 - CRC - 9/9/20
Vehicle Care 259
Electrical System
Electrical System Overload
The vehicle has fuses to protect against an
electrical system overload. Fuses also protect
power devices in the vehicle.
Replace a bad fuse with a new one of the
identical size and rating.
If there is a problem on the road and a fuse
needs to be replaced, there is a fuse puller
in the Engine Compartment Fuse Block.
Replace the fuse as soon as possible with
one of the same amperage rating.
Headlamp Wiring
An electrical overload may cause the lamps
to go on and off, or in some cases to
remain off. Have the headlamp wiring
checked right away if the lamps go on and
off or remain off.
Windshield Wipers
If the wiper motor overheats due to heavy
snow or ice, the windshield wipers will stop
until the motor cools and will then restart.
Although the circuit is protected from
electrical overload, overload due to heavy
snow or ice may cause wiper linkage
damage. Always clear ice and heavy snow
from the windshield before using the
windshield wipers.
If the overload is caused by an electrical
problem and not snow or ice, be sure to get
it fixed.
Fuses and Circuit Breakers
The wiring circuits in the vehicle are
protected from short circuits by fuses. This
greatly reduces the chance of damage
caused by electrical problems.
{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.
{Warning
Installation or use of fuses that do not
meet GM’s original fuse specifications is
dangerous. The fuses could fail, and result(Continued)
GMC Canyon/Canyon Denali Owner Manual (GMNA-Localizing-U.S./Canada-
14430430) - 2021 - CRC - 9/9/20
262 Vehicle Care
The vehicle may not be equipped with all of
the fuses, relays, and features shown.Fuses Usage
F1 Traction control module power
F2 Engine control module power
F3 Air conditioning clutch
F4 –
F5 Engine control module ignition/Integrated
chassis control module/
Fuel pump power
module
F6 Wipers F7 Cargo lamp/Bed lighting
F8 Fuel injectors –even
F9 Fuel injectors –odd
F10 Engine control module 1 F11 Oxygen/Mass air flow/ Humidity/Induction air
temperature/Throttle
inlet pressure sensors
F12 Starter Fuses
Usage
F13 Traction control module
F14 –
F15 –
F16 –
F17 Front axle actuator
F18 –
F19 Aeroshutters
F20 –
F21 Front blower
F22 Antilock brake system valves
F23 –
F24 Trailer F25 Transfer case electronic control
F26 Antilock brake system pump
F27 Trailer brake control module/Trailer wiring
provisions
F28 Rear window defogger Fuses
Usage
F29 –
F30 Driver heated seat F31 –
F32 Passenger heated seat
F33 Right headlamp low beam/Front right park
lamp/Right front side
marker/Right rear side
marker
F34 Fuel pump power module
F35 Integrated chassis control module
F36 Center high-mounted stoplamp
F37 Right high-beam headlamp
F38 Left high-beam headlamp
F39 –
F40 –
F41 –
F42 –
