In this article, you will find fuse box diagrams of GMC Sierra 2014, 2015, 2016, 2017 and 2018, get information about the location of the fuse panels inside the car, and learn about the assignment of each fuse (fuse layout) and relay.
See other GMC Sierra:
Fuse Layout GMC Sierra 2014-2018
Contents
Cigar lighter (power outlet) fuses in the GMC Sierra are the fuses #1, #10, #11 and #12 in the Left Instrument panel fuse box, and fuses #1 and #2 in the Right Instrument panel fuse box.
Table of Contents
Fuse box location
Fuse box location
Passenger compartment fuse boxes
Instrument Panel Fuse Block (Left)
The left instrument panel fuse block access door is on the driver side edge of the instrument panel.
Instrument Panel Fuse Block (Right)
The right instrument panel fuse block access door is on the passenger side edge of the instrument panel.
Engine compartment
The engine compartment fuse block is in the engine compartment, on the driver side of the vehicle.
Fuse box diagrams
Fuse box diagrams
2014, 2015, 2016, 2017
Engine compartment
Assignment of the fuses in the engine compartment (2014-2017)
| № | Usage |
|---|---|
| Micro J-Case Fuses | |
| 1 | Trailer Brake |
| 2 | Trailer Battery |
| J-Case Fuses | |
| 3 | Antilock Brake System Pump |
| 4 | Instrument Panel BEC 1 |
| 5 | Spare |
| 6 | 4WD Tree |
| 7 | Spare |
| 8 | Instrument Panel BEC 2 |
| 9 | Spare |
| 10 | Rear Window Defogger |
| 11 | Starter |
| 12 | Cooling Fan 1 |
| 13 | Cooling Fan 2 |
| Mini Fuses (2 Pin) | |
| 14 | Trailer Stop/Turn Lamps, Left |
| 15 | Trailer Parking Lamps |
| 16 | Trailer Back-up Lamp |
| 17 | Trailer Stopfium Lamps, Right |
| Micro Fuses (2 Pin) | |
| 18 | Fuel Pump |
| 19 | Integrated Chassis Control Module |
| 20 | Electronic Suspension Control Module |
| 21 | Fuel Pump Power Module |
| 22 | Upfitter Switch 1 |
| 23 | Upfffler2 |
| 24 | Front Wiper |
| 25 | Antilock Brake System Valves |
| 26 | Upfitter SW 2 |
| 27 | Upfitter SW 3 |
| 28 | Parlang Lamps, Right |
| 29 | Parlang Lamps, Left |
| 30 | Upfitter 3 |
| 31 | Upfitter SW 4 |
| 32 | Upfitter 4 |
| 33 | Back-up Lamps |
| 34 | Engine Control Module Ignition |
| 35 | Air Conditioning Compressor Clutch |
| 36 | Heated Mirrors |
| 37 | Upfflter 1 |
| 38 | Center High-Mounted Stoplamp |
| 39 | Miscellaneous Ignition |
| 40 | Transmission Ignition |
| 41 | Fuel Pump 2 |
| 42 | Cooling Fan Clutch |
| 43 | Engine |
| 44 | Fuel Injectors A, Odd |
| 45 | Fuel Injectors B, Even |
| 46 | Oxygen Sensor B |
| 47 | Throttle Control |
| 48 | Horn |
| 49 | Fog Lamp |
| 50 | Oxygen Sensor A |
| 51 | Engine Control Module |
| 52 | Interior Heater |
| 53 | Spare |
| 54 | Aeroshutter |
| 55 | Front Washer |
| Micro Fuses (3 Pin) | |
| 56 | Air Conditioning Compressor/Battery Regulated Voltage Control |
| 57 | Air Conditioning CompressorModule/Battery Pack |
| 58 | Transmission Control Module/Engine Control Module |
| 59 | Headlamps |
| Micro Relays | |
| 60 | Fuel Pump |
| 61 | Upfitter2 |
| 62 | Upfitter3 |
| 63 | Upfitter4 |
| 64 | Trailer Parking Lamps |
| 65 | Run/Crank |
| 66 | Upfitter 1 |
| 67 | Fuel Pump 2 |
| 68 | Air Conditioning Control |
| 69 | Starter |
| 70 | Rear Window Defogger |
| 71 | Engine Control Module |
| Solid State Relay | |
| 72 | Cooling Fan Clutch |
Instrument Panel (Left)
Assignment of the fuses in the Instrument Panel Fuse Block (Left) (2014-2017)
| № | Usage |
|---|---|
| 1 | Accessory Power Outlet 2 |
| 2 | SEO Retained Accessory Power |
| 3 | Universal Garage Door Opener/lnside Rearview Mirror |
| 6 | Body Control Module 3 |
| 7 | Body Control Module 5 |
| 8 | Driver Window Switch/Mirror Switch |
| 9 | Spare |
| 10 | Accessory Power Outlet Retained Accessory Power |
| 11 | Accessory Power Outlet Battery |
| 12 | Accessory Power Outlet 1/Cigarette Lighter |
| 13 | Discrete Logic Ignition Switch |
| 14 | Switch Backlighting |
| 17 | Body Control Module 1 |
| 19 | Spare |
| 20 | Spare |
| 22 | Heater, Ventilation, and Air Conditioning/Auxiliary Heater, Ventilation and Air Conditioning Ignition |
| 23 | Instrument Cluster Ignition/Sensing Diagnostic Module Ignition |
| 24 | Spare |
| 25 | Data Link Connector/Driver Seat Module |
| 26 | Passive Entry Passive Start/Heater, Ventilation, and Air Conditioning |
| 27 | Spare |
| 28 | Spare |
| 29 | Park Enable/Electrically Adjustable Pedals |
| 30 | SEO |
| 31 | Accessory/Run Crank |
| 32 | Heated Steering Wheel |
| 33 | Spare |
| 34 | Instrument Cluster |
| 36 | Spare |
| 37 | Spare |
| 40 | Left Doors |
| 41 | Driver Power Seat |
| 43 | Left Front Heated/Cooled Seat |
| 44 | Right Front Heated/Cooled Seats |
| 45 | Spare |
| 49 | Retained Accessory Power/Accessory |
| 50 | Run/Crank |
Instrument Panel (Right)
Assignment of the fuses in the Instrument Panel Fuse Block (Right) (2014-2017)
| № | Usage |
|---|---|
| 1 | Accessory Power Outlet 3 |
| 2 | Accessory Power Outlet 4 |
| 7 | Body Control Module 4 |
| 8 | Body Control Module 8 |
| 9 | Rear Seat Entertainment |
| 10 | Cargo Lamp |
| 15 | Steering Wheel Controls |
| 18 | Radio |
| 19 | Spare |
| 20 | Sunroof |
| 23 | Airbag/lnfo |
| 26 | Export/Power Take Off/SEO Battery 1 |
| 27 | Obstacle Detection/USB Ports |
| 28 | Body Control Module 2 |
| 32 | SEO Battery 2 |
| 35 | AC Inverter |
| 36 | Amplifier |
| 37 | Spare |
| 39 | Rear Sliding Window |
| 42 | Right Door Window Motor |
| 43 | Front Blower |
| 44 | SEO |
| 45 | Body Control Module 6 |
| 46 | Body Control Module 7 |
| 47 | Passenger Seat |
| 50 | Retained Accessory Power/Accessory |
| 51 | Rear Sliding Window Open |
| 52 | Rear Sliding Window Close |
2018
Engine compartment
Assignment of the fuses in the engine compartment (2018)
| № | Usage |
|---|---|
| 1 | Trailer brake |
| 2 | Trailer battery |
| 3 | Antilock brake system pump |
| 4 | Instrument panel BEC 1 |
| 5 | Passenger motorized seat belt |
| 6 | 4WD transfer case electronic control |
| 7 | Electric park brake |
| 8 | Instrument panel BEC 2 |
| 9 | Driver motorized seat belt |
| 10 | Rear window defogger |
| 11 | Starter |
| 12 | Cooling fan 1 |
| 13 | Cooling fan 2 |
| 14 | Left trailer stop/ Turn signal lamps |
| 15 | Trailer parking lamps |
| 16 | Trailer reverse lamps |
| 17 | Right trailer stop/ Turn signal lamps |
| 18 | Fuel pump |
| 19 | Integrated chassis control module |
| 20 | Electronic suspension control module |
| 21 | Fuel pump power module |
| 22 | Upfitter 1 |
| 23 | Upfitter2 |
| 24 | Front wiper |
| 25 | Antilock brake system valve |
| 26 | Upfitter 2 |
| 27 | Upfitter 3 |
| 28 | Right parking lamps |
| 29 | Left parking lamps |
| 30 | Upfitter 3 |
| 31 | Upfitter 4 |
| 32 | Upfitter 4 |
| 33 | Reverse lamps |
| 34 | Engine control module/Ignition |
| 35 | Air conditioning clutch |
| 36 | Heated mirrors |
| 37 | Upfitter 1 |
| 38 | Center high-mounted stoplamp |
| 39 | Miscellaneous/ Ignition |
| 40 | Transmission/ Ignition |
| 41 | Fuel pump 2 |
| 42 | Cooling fan clutch |
| 43 | Engine |
| 44 | Fuel injectors A–odd |
| 45 | Fuel injectors B–even |
| 46 | O2 Sensor B |
| 47 | Throttle control |
| 48 | Horn |
| 49 | Fog lamps |
| 50 | O2 Sensor A |
| 51 | Engine control module |
| 52 | Interior heater |
| 53 | Accessory power module/TPM pump |
| 54 | Front washer |
| 55 | Air conditioning/ Battery regulated voltage control |
| 56 | Air conditioning module/ Battery pack |
| 57 | Transmission control module/ Engine control module |
| 58 | Headlamps |
| 74 | Electric running boards (if equipped) |
| 76 | Fuel pump prime / MGU motor |
| 77 | Cabin pump motor |
| 79 | Vacuum pump |
| Relays | |
| 59 | Fuel pump |
| 60 | Upfitter 2 |
| 61 | Upfitter 3 |
| 62 | Upfitter 4 |
| 63 | Trailer parking lamps |
| 64 | Run/Crank |
| 65 | Upfitter 1 |
| 66 | Fuel pump 2 |
| 67 | Air conditioning control |
| 68 | Starter |
| 69 | Rear window defogger |
| 70 | Engine control module |
| 71 | Vacuum pump/ Cooling fan clutch |
| 72 | CKT 95 |
| 73 | CKT 92 |
| 75 | Fuel pump prime/ MGU motor |
| 78 | Vacuum pump switch |
Instrument Panel (Left)
Assignment of the fuses in the Instrument Panel (Left) (2018)
| № | Usage |
|---|---|
| 1 | Accessory power outlet 2 |
| 2 | Special equipment option/Retained accessory power |
| 3 | Universal remote system/lnterior rearview mirror |
| 6 | Body control module 3 |
| 7 | Body control module 5 |
| 8 | Driver window switch/ Mirror switch |
| 9 | Not Used |
| 10 | Accessory power outlet/Retained accessory power |
| 11 | Accessory power outlet battery |
| 12 | Accessory power outlet 1/Cigarette lighter |
| 13 | Discrete logic ignition switch |
| 14 | Switch backlighting |
| 17 | Body control module 1 |
| 19 | Not Used |
| 20 | Not Used |
| 22 | Heating, ventilation, and air conditioning/ Auxiliary heating, ventilation, and air conditioning/lgnition |
| 23 | Instrument cluster/ Ignition sensing diagnostic module/ Ignition |
| 24 | Not Used |
| 25 | Data link connector/ Driver seat module |
| 26 | Passive entry/Passive start/Heating, ventilation, and air conditioning |
| 27 | Not Used |
| 28 | Not Used |
| 29 | Park enable/ Electrically adjustable pedals |
| 30 | Special equipment option |
| 31 | Accessory/Run/Crank |
| 32 | Heated steering wheel |
| 33 | Not Used |
| 34 | Instrument cluster |
| 36 | Not Used |
| 37 | Not Used |
| 38 | 4WD transfer case electronic control |
| 40 | Left doors |
| 41 | Driver power seat |
| 43 | Left heated, cooled or ventilated seats (if equipped) |
| 44 | Right heated, cooled or ventilated seats (if equipped) |
| 45 | Not Used |
| Relays | |
| 49 | Retained accessory power |
| 50 | Run/Crank |
Instrument Panel (Right)
Assignment of the fuses in the Instrument Panel (Right) (2018)
| № | Usage |
|---|---|
| 1 | Accessory power outlet 3 |
| 2 | Accessory power outlet 4 |
| 7 | Body control module 4 |
| 8 | Body control module 8 |
| 9 | Rear seat entertainment |
| 10 | Cargo lamp |
| 15 | Steering wheel controls |
| 18 | Radio |
| 19 | Not Used |
| 20 | Sunroof |
| 23 | Airbag/lnfo |
| 26 | Export/Power take off/ Special equipment option/Battery 1 |
| 27 | Obstacle detection/ USB ports |
| 28 | Body control module 2 |
| 32 | Special equipment option/Battery 2 |
| 35 | Air conditioning inverter |
| 36 | Amplifier |
| 37 | Battery system |
| 39 | Rear sliding window |
| 42 | Right door window motor |
| 43 | Front blower |
| 44 | Special equipment option |
| 45 | Body control module 6 |
| 46 | Body control module 7 |
| 47 | Passenger seat |
| Relays | |
| 50 | Retained accessory power |
| 51 | Rear sliding window open |
| 52 | Rear sliding window close |
