Engine Compartment Fuse Block
The fuse block is located in the engine compartment on the driver side of the vehicle.
| Mini Fuse | Usage |
| 3 | Right Stop/Turn Trailer |
| 4 | Spare |
| 5 | Spare |
| 6 | Fuel System Control Module Ignition |
| 7 | Body Control Module 5 |
| 8 | Body Control Module 7 |
| 9 | Body Control Module 4 |
| 10 | Instrument Panel Cluster |
| 11 | Trailer Wiring |
| 12 | Spare |
| 13 | Brake Switch |
| 14 | Windshield Washer |
| 16 | Horn |
| 17 | Transmission |
| 18 | Air Conditioning Compressor |
| 19 | Engine Control Module Battery |
| 20 | Spare |
| 21 | Left Stop/Turn Trailer |
| 22 | Spare |
| 23 | Spare |
| 24 | Fuel Pump |
| 25 | Auxiliary Power Outlet |
| 26 | Body Control Module 3 |
| 27 | Special Equipment Option |
| 28 | Airbag |
| 29 | Steering Wheel Sensor |
| 30 | Engine Control Module Ignition/Glow Plug Module |
| 31 | Transmission Control Module Ignition |
| 32 | Transmission Control Module Battery |
| 33 | Spare |
| 34 | Spare |
| 35 | Fuel Operated Heater Module |
| 36 | Fuel System Control Module Battery |
| 51 | Left High‐Beam Headlamp |
| 52 | Right High‐Beam Headlamp |
| 53 | Left Low‐Beam Headlamp |
| 54 | Right Low‐Beam Headlamp |
| 55 | Wiper |
| 56 | Canister Vent Solenoid |
| 58 | Body Control Module 2 |
| 59 | Body Control Module 1 |
| 61 | Spare |
| 61 | Oxygen Sensor 2 (Post), EV Fan (Diesel) |
| 63 | Spare |
| 64 | Mass Air Flow/Canister Vent |
| 65 | Odd Ignition/Injectors |
| 66 | Daytime Running Lamps 2 (LOLVL‐V22) (If Equipped) |
| 67 | Daytime Running Lamps 1 (UPLVL+V22) (If Equipped) |
| 68 | Auxiliary Stop Lamps |
| 69 | Spare |
| 70 | Spare |
| 71 | Fuel Heater |
| 72 | Body Control Module 6 |
| 73 | Lighter/Data Link Connection |
| 75 | V6 Fuel Injectors |
| 76 | Spare |
| 77 | Oxygen Sensor 2 (Pre) |
| 78 | Engine Control Module Powertrain |
| 79 | Even Ignition/Injectors |
| J-Case Fuse | Usage |
| 1 | ABS Motor |
| 2 | ABS Module |
| 41 | Spare |
| 42 | Trailer Wiring |
| 43 | Fan High |
| 44 | Starter Solenoid |
| 45 | Engine Control Module/Powertrain |
| 46 | Fuel System Control Module Battery |
| 47 | Fan Lo |
| 74 | Front Blower |
| Relay | Usage |
| 15 | Run/Crank |
| 37 | Spare |
| 38 | Fuel Pump |
| 39 | Crank |
| 40 | Air Conditioning Compressor |
| 48 | Fan High |
| 49 | Powertrain |
| 50 | Spare |
| 57 | Fan Low |
| 60 | Fan Control |
Floor Console Fuse Block
The floor console fuse block is located under the driver seat.
| Mini-Fuse | Usage |
| F1 | Empty |
| F2 | Steering Wheel Sensor |
| F3 | Auxiliary Parking Lamps (Cut‐Away) |
| F4 | Front Park Lamps |
| F5 | Trailer Park Lamps |
| F6 | Upfitter Park Lamps |
| F7 | Right Rear Park Lamp |
| F8 | Left Rear Park Lamp |
| F9 | Outside Rear View Mirror Switch |
| F10 | Airbag/Automatic Occupant Sensing |
| F11 | OnStar® (If Equipped) |
| F12 | Empty |
| F13 | Heating, Ventilation and Air Conditioning 2 |
| F14 | Heating, Ventilation and Air Conditioning 1 |
| F15 | Empty |
| F17 | Outside Rear View Mirror Heater |
| F18 | Rear Window Defogger |
| F19 | Compass |
| F20 | Radio/Chime/XM™ Satellite Radio (If Equipped) |
| F21 | Remote Function Actuator/Tire Pressure Monitor |
| F22 | Ignition Switch/Discrete Logic Ignition Sensor (PK3) |
| F23 | Instrument Panel Cluster |
| F25 | Heating, Ventilation and Air Conditioning Control |
| F26 | Auxiliary/Trailer Backup |
| F27 | Taillamps Backup |
| F30 | Upfitter Courtesy Lamps |
| F31 | Front Door Lock |
| F32 | Rear Door Lock |
| F33 | Cargo Door Unlock |
| F34 | Passenger Door Unlock |
| F35 | Rear Passenger Door Unlock |
| F36 | Driver Door Unlock |
| F37 | Empty |
| F38 | Empty |
| J-Case Fuse | Usage |
| F16 | Upfitter Auxiliary 1 |
| F24 | Empty |
| F28 | Upfitter Auxiliary 2 Reading Lamps |
| F29 | Rear Blower |
| Relay | Usage |
| K1 | Run (High Current Micro) |
| K2 | Empty (High Current Micro) |
| K3 | Park Lamps (High Current Micro) |
| K4 | Upfitter Auxiliary 2 (High Current Mini) |
| K5 | Rear Defogger (High Current Micro) |
| K6 | Retained Accessory Power (RAP) (High Current Micro) |
| Circuit Breaker | Usage |
| CB1 | Power Seats |
| CB2 | Power Windows |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.