GMC Sierra Fuse box

Years of production: 2014 2015 2016 2017 2018 2019

When it comes to a power-packed and muscular pick-up van, then some models provide all the significant functions. This GMC Sierra is closely related to Chevrolet Silverado but with nicer cabins, heavy styling, and new safety features with numerous infotainment system. The latest model, which is introduced in 2019, is equipped with a refined and muscular body; however, it always holds the necessary ground.

GMC Sierra: Fourth Generation

The Sierra has all those features which make it an apt choice for those who are looking for a well-organized interior with high-quality materials. Apart from all of these when it comes to technical characteristics, this pick-up truck holds some of the top class mechanism. GMC Sierra comes with different trim that has three different types of engines. The base is a 4.3 litre V6 that is apt for all long of works and keeps your fuel economy in check. The 5.3 litre V8 is preferable for those who want to use this as a towing vehicle. The 6.2 litre V8 is capable of producing 420hp of power which will help you to feel the throttle.

Throughout the subsequent years, this truck was reproduced with some of the best upgrades such as electric power steering, brake rotors, and four-wheel disc brakes. These are the features that help to get a smoother ride as well as maximum performance.

The base version is equipped with some of the best features such as an AM/FM radio, 4.2- inch colour display, keyless entry, and air conditioning. Other than these, several safety upgrades were included in this model in the year 2014, such as hill-start assist, forward- collision alerts, IntelliBeam headlights, and Lane Keep Assist. According to NHTSA, this model of GMC Sierra has scored five stars without any hassles. 

This pick-up truck is an all-rounder which is equipped with all the features that define the performance as well as infotainment.

Engine Compartment Fuse Block

GMC Sierra Fuse box engine compartment fuse block

GMC Sierra/Sierra Denali is also called VIA Vtrux Truck and Chevrolet Silverado LD.

The engine compartment fuse block is in the engine compartment, on the driver side of the vehicle. Lift the cover to access the fuse block. A fuse puller is available in the left instrument panel fuse block. The vehicle may not be equipped with all of the fuses, relays, and features shown.

FusesUsage
1Trailer brake
2Trailer battery
3Antilock brake system pump
4Instrument panel BEC 1
5Passenger motorized seat belt
64WD transfer case electronic control
7Electric park brake
8Instrument panel BEC 2
9Driver motorized seat belt
10Rear window defogger
11Starter
12Cooling fan 1
13Cooling fan 2
14Left trailer stop/Turn signal lamps
15Trailer parking lamps
16Trailer reverse lamps
17Right trailer stop/Turn signal lamps
18Fuel pump
19Integrated chassis control module
20Electronic suspension control module
21Fuel pump power module
22Upfitter 1
23Upfitter 2
24Front wiper
25Antilock brake system valve
26Upfitter 2
27Upfitter 3
28Right parking lamps
29Left parking lamps
30Upfitter 3
31Upfitter 4
32Upfitter 4
33Reverse lamps
34Engine control module/Ignition
35Air conditioning clutch
36Heated mirrors
37Upfitter 1
38Center high-mounted stop lamp
39Miscellaneous/ Ignition
40Transmission/ Ignition
41Fuel pump 2
42Cooling fan clutch
43Engine
44Fuel injectors A–odd
45Fuel injectors B–even
46O2 Sensor B
47Throttle control
48Horn
49Fog lamps
50O2 Sensor A
51Engine control module
52Interior heater
53Accessory power module/TPM pump
54Front washer
55Air conditioning/ Battery regulated voltage control
56Air conditioning module/ Battery pack
57Transmission control module/ Engine control module Fuses Usage
58Headlamps
74Electric running boards (if equipped)
76Fuel pump prime / MGU motor
77Cabin pump motor
79Vacuum pump
RelaysUsage
59Fuel pump
60Upfitter 2
61Upfitter 3
62Upfitter 4
63Trailer parking lamps
64Run/Crank
65Upfitter 1
66Fuel pump 2
67Air conditioning control
68Starter
69Rear window defogger
70Engine control module
71Vacuum pump/ Cooling fan clutch
72CKT 95
73CKT 92
75Fuel pump prime/ MGU motor
78Vacuum pump switch

Instrument Panel Fuse Block (Right)

GMC Sierra Fuse box instrument panel fuse block (right)

The right instrument panel fuse block access door is on the passenger side edge of the instrument panel. Pull off the cover to access the fuse block.

The vehicle may not be equipped with all of the fuses, relays, and features shown.

FusesUsage
1Accessory power outlet 3
2Accessory power outlet 4
7Body control module 4
8Body control module 8
9Rear seat entertainment
10Cargo lamp
15Steering wheel controls
18Radio
19
20Sunroof
23Airbag/Info
26Export/Power take off/ Special equipment option/Battery 1
27Obstacle detection/ USB ports
28Body control module 2
32Special equipment option/Battery 2
35Air conditioning inverter
36Amplifier
37Battery system
39Rear sliding window
42Right door window motor
43Front blower
44Special equipment option
45Body control module 6
46Body control module 7
47Passenger seat
RelaysUsage
50Retained accessory power
51Rear sliding window open
52Rear sliding window close

Instrument Panel Fuse Block (Left)

GMC Sierra Fuse box instrument panel fuse block (left)

The left instrument panel fuse block access door is on the driver side edge of the instrument panel. Pull off the cover to access the fuse block.

FusesUsage
1Accessory power outlet 2
2Special equipment option/Retained accessory power
3Universal remote system/Interior rearview mirror
6Body control module 3
7Body control module 5
8Driver window switch/ Mirror switch
9
10Accessory power outlet/Retained accessory power
11Accessory power outlet battery
12Accessory power outlet 1/Cigarette lighter
13Discrete logic ignition switch
14Switch backlighting
17Body control module 1
19
20
22Heating, ventilation, and air conditioning/ Auxiliary heating, ventilation, and airconditioning/Ignition
23Instrument cluster/ Ignition sensing diagnostic module/ Ignition
24
25Data link connector/ Driver seat module
26Passive entry/Passive start/Heating, ventilation, and air conditioning
27
28
29Park enable/ Electrically adjustable pedals
30Special equipment option
31Accessory/Run/Crank
32Heatedsteering wheel
33
34Instrument cluster
36
37
384WD transfer case electronic control
40Left doors
41Driver power seat
43Left heated, cooled or ventilated seats (if equipped)
44Right heated, cooled or ventilated seats (if equipped)
45
RelaysUsage
49Retained accessory power
50Run/Crank
All GMC Sierra info & diagrams provided on this site are provided for general information purpose only. Actual GMC Sierra (2014-2019) diagrams & schemes (fuse box diagrams & layouts, location diagrams, wiring diagrams etc.) may vary depend on the model version.
Comments (9):

~Tim Rinaudo 02-07-2020
Camera does not come on screen for right turn signal


~Dewey Hicks 03-12-2020
The list of all the fuses is not specific enough to let one know which fuse controls dash lights at the speedometer. I have this same model and I would think this is inadequate for replacing the fuse.


~damusto821 19-12-2020
Does fuse number 24 go to anything or is it a spare? Looking to find power for a two way radio.


~Will Tierney 03-03-2021
What fuse is the Homelink associated with?.


~chuby duby 25-03-2021
which fuse control de oulet power for the traila


~Griz 20-04-2021
Looking for the fuse that controls my 2 peice tailgate. Bumper is bent and I want to keep the tailgate from operating.


~Edward 08-11-2021
Looking for the fuse that controls the windshield wiper. Diagrams on all three fuse boxes do not have wipers written on any of the fuses


~Larry 25-03-2022
What about the high amperage fuses in the box mounted on top of the battery? Trying to isolate a parasitic drain and I wanted to disconnect these, one at a time, to start the isolation.


~Will Thomas 25-04-2022
Looking for fuse that controls Tailgate lock


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