Jonathan Yarden Mar 25, 2021 · 5 min. read
In this article you will find a description of fuses and relays GMC,
with photos of block diagrams and their locations.
Highlighted the cigarette lighter fuse (as the most popular thing people look for).
Get tips on blown fuses, replacing a fuse, and more.
Year of production: 2015, 2016, 2017
Engine compartment fuse block
The engine compartment fuse block is located on the driver side of the engine compartment.
Mini Fuses (2 pin) | Usage |
F01 | Traction Control Module Power |
F02 | Engine Control Module Power |
F03 | Air Conditioning Compressor Clutch |
F04 | Not Used |
F05 | Fuel Module Ignition |
F07 | Cargo Lamp |
F08 | Fuel Injectors – Even |
F09 | Fuel Injectors – Odd |
F10 | Engine Control Module |
F11 | Miscellaneous 1 Ignition |
F13 | Traction Control Module |
F14 | Not Used |
F15 | Not Used |
F16 | Not Used |
F17 | Front Axle Actuator |
F18 | Not Used |
F19 | Aeroshutters |
F20 | Not Used |
F23 | Not Used |
F29 | Not Used |
F30 | Heated Seat Power 1 |
F31 | Not Used |
F32 | Heated Seat Power 2 |
F33 | Body Control Module 3 |
F34 | Fuel System Control Module |
F35 | Not Used |
F36 | Center High Mounted Stop Lamp |
F37 | Right High-Beam Headlamp |
F38 | Left High-Beam Headlamp |
F39 | Not Used |
F40 | Not Used |
F46 | Not Used |
F47 | Miscellaneous 2 Ignition |
F48 | Fog Lamps (If Equipped) |
F49 | Not Used |
F50 | Trailer Park Lamps |
F51 | Horn |
F52 | Not Used |
F53 | Not Used |
F54 | Not Used |
F55 | Not Used |
F56 | Washer Pump |
F57 | Not Used |
F58 | Not Used |
F60 | Mirrors Defogger |
F61 | Not Used |
F62 | Canister Vent Solenoid |
F63 | Not Used |
F64 | Trailer Reverse Lamp |
F65 | Left Trailer Stop/ Turn Lamps |
F66 | Right Trailer Stop/Turn Lamps |
F67 | Electric Power Steering |
F68 | Not Used |
F69 | Battery Regulated Voltage Control |
F70 | Not Used |
F71 | Not Used |
J-Case Fuses (Low Profile) | Usage |
F06 | Wipers |
F12 | Starter |
F21 | Front Blower |
F22 | Antilock Brake System Valves |
F24 | Trailer |
F25 | Transfer Case Electronic Control |
F26 | Antilock Brake System Pump |
F27 | Trailer Brake Control Module |
F28 | Rear Window Defogger |
F41 | Not Used |
F42 | Not Used |
F43 | Cooling Fan |
F44 | Not Used |
F45 | Brake Vacuum Pump |
F59 | Not Used |
Midi Fuses | Usage |
F72 | Not Used |
F73 | Not Used |
F74 | Generator |
F75 | Not Used |
Micro Relays | Usage |
K01 | Air Conditioning Compressor Clutch |
K02 | Starter |
K03 | Not Used |
K04 | Wipers Speed |
K05 | Wipers Control |
K06 | Cargo Lamp |
K08 | Not Used |
K09 | Not Used |
K10 | Not Used |
K11 | Center High Mounted Stop Lamp |
K12 | Not Used |
K13 | Vacuum Pump |
K14 | Park Lamps |
Mini Relays | Usage |
K07 | Powertrain |
K15 | Run/Crank |
K17 | Rear Window Defogger |
Solid State Relay | Usage |
K16 | Not used |
Instrument panel fuse block
The instrument panel fuse block is behind the passenger side cowl side trim panel.
Micro Fuse (2 Pin) | Usage |
F01 | Body Control Module 1 |
F04 | Steering Wheel Controls |
F05 | Body Control Module 2 |
F08 | Mirror Window Module |
F09 | Instrument Cluster |
F10 | Not Used |
F11 | Body Control Module 8 |
F12 | Not Used |
F14 | Radio/HMI |
F15 | Body Control Module 6 |
F16 | Not Used |
F17 | Body Control Module 4 |
F19 | Not Used |
F20 | Amplifier (if equipped) |
F21 | Not Used |
F22 | Not Used |
F24 | Heating, Ventilation, and Air Conditioning Ignition |
F25 | Body Control Module 7 |
F26 | Not Used |
F27 | Not Used |
F29 | Miscellaneous Ignition |
F31 | Front Camera |
F32 | Steering Wheel Controls Backlighting |
F34 | Not Used |
F35 | Park, Reverse, Neutral, Drive, Low |
F36 | Discrete Logic Ignition Sensor |
F38 | Not Used |
Micro Fuse (3 Pin) | Usage |
F13 | OnStar/Heating, Ventilation, and Air Conditioning |
F18 | Airbag |
F23 | Data Link Connector/USDB |
F28 | Instrument Panel/Sensing and Diagnostic Module Ignition |
F33 | Not Used |
Micro J-Case Fuses | Usage |
F02 | Not Used |
F03 | Not Used |
F06 | Not Used |
F07 | Not Used |
F39 | Auxiliary Power Outlet 2 |
F41 | Auxiliary Power Outlet 1/Lighter |
F42 | Left Power Window |
F43 | Driver Power Seat |
F45 | Right Power Window |
F46 | Passenger Power Seat |
J-Case Fuses | Usage |
F30 | Not Used |
F40 | Auxiliary Power Outlet |
F44 | Auxiliary Power Outlet |
Mini Fuse (2 Pins) | Usage |
F37 | Not Used |
Micro Relay | Usage |
K1 | Retained Accessory Power/Accessory |
K2 | Run/Crank |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
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