Chevrolet Blazer (2019-2026)

Explore Chevrolet Blazer fuse box diagrams in this clear guide that outlines the electrical layout of the modern mid-size crossover SUV. In this article, we cover the Chevrolet Blazer, available from 2019, and provide fuse box diagrams for Chevrolet (Chevy) Blazer 2019, 2020, 2021, 2022, 2023, 2024, 2025 and 2026, along with information about the location of the fuse panels and the assignment of each fuse and relay (fuse layout).

Fuse Box Locations

Passenger Compartment

The fuse box is located inside the center console on the passenger side of the vehicle, behind the cover.

The location of the fuses in the passenger compartment: Chevrolet Blazer (2019-..)

Engine Compartment

The location of the fuses in the engine compartment: Chevrolet Blazer (2019-..)

Luggage Compartment

The fuse box is located behind a trim panel on the driver side of the rear storage compartment.

The location of the fuses in the trunk: Chevrolet Blazer (2019-..)

Fuse Box Diagrams

Passenger Compartment

Interior fuse box diagram: Chevrolet Blazer (2019-..)

Fuses

Assignment of the fuses in the Instrument Panel

Fuse Data
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No.Description
F1Body control module 6
F2Diagnostic link/ Central gateway module
F3Electric steering column lock
F4Not Used
F5Not Used
F6Heating, ventilation, and air conditioning
F7Body control module 3
F8Not Used
F9Right front heated seat
F10Airbag/Seatbelt
F11Not Used
F12Amplifier/Noise control module
F13Body control module 7
F14Left front heated seat
F15Not Used
F16Sunroof
F17Not Used
F18Instrument panel cluster
F19Body control module 1
F20Rear seat entertainment
F21Body control module 4
F22Infotainment USB data/Aux jack
F23Body control module 2
F24USB charger/ Wireless charging
F25Park assist
F26CIM ( Communications integration module)
F27Not Used
F28Heating, ventilation, and air conditioning/ Information communication system display
F29Radio
F30Steering wheel adjustment controls
F312019: Front blower.
2020-2022: Electric brake control module electric brake booster
F32DC AC inverter
F33Driver power seat
F34Passenger power seat
F35Battery IEC 1 feed
F36Electric power steering
F37Rear seat entertainment/USB charge/Wireless charging module/ Auxiliary power outlet/Lighter
F38Body control module 8
F39Not Used

Circuit Breakers

Assignment of the circuit breakers in the Instrument Panel

Fuse Data
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No.Description
F40 (CB)Not Used
F41 (CB)Not Used
F42 (CB)Auxiliary power outlet/Lighter

Engine Compartment

Under-hood fuse box diagram: Chevrolet Blazer (2019-..)

Fuses

Assignment of the fuses in the Engine Compartment

Fuse Data
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No.Description
F1Antilock brake system pump
F2Starter 1
F3DC DC transformer 1
F4Not Used
F5DC DC transformer 2
F6Not Used
F72019: Electronic brake control module.
from 2020: Front blower
F8Starter 3
F9Not Used
F10Not Used
F11Not Used
F12Front wiper
F13from 2020: Starter 2
F14Not Used
F15Rear wiper
F16Not Used
F17Not Used
F18Not Used
F19Not Used
F20Not Used
F21Not Used
F22Electronic brake control module
F23Parking/Trailer lamps
F24Right trailer stoplamp/Turnlamp
F252019-2021: Steering column lock
F26Not Used
F27Left trailer stoplamp/Turnlamp
F28Not Used
F29Not Used
F30Washer pump
F312019-2021: Spare/Right low-beam headlamp
F32Left low-beam headlamp
F332019-2021: High-beam headlamp shutter/ Fog lamps
from 2022: High-Beam Headlamp Shutter
F34Horn
F35Not Used
F362019-2021: Right low-beam/ Left high-beam headlamp
from 2022: Right Low-Beam
F37Spare/Right high-beam headlamp
F382019-2021: Automatic headlamp leveling motor
F39Transmission control module
F40Left rear bus electrical center/DC DC ignition
F41Instrument cluster
F42Heating, ventilation, and air conditioning/ Central gateway module run/crank
F43Reflective light alert display
F44Electronic brake control module/ Electric brake booster/Run/crank
F45Not Used
F46Not Used
F47Not Used
F48Not Used
F49Interior rearview mirror
F50Fuel system control module/Fuel tank zone module run/ crank
F51Heated steering wheel
F52Air conditioning clutch
F53from 2022: Coolant Pump
F542019-2021: Coolant pump
F55Not Used
F56Not Used
F57Engine control module/lgnition
F58Transmission control module/ Ignition
F59Engine control module battery
F60Not Used
F61O2 sensor 1/ Aeroshutter/Mass air flow sensor
F62Engine control module-odd
F63O2 sensor 2
F64Engine control module-even
F65Engine control module powertrain 1
F66Engine control module powertrain 2
F67Engine control module powertrain 3
F68Not Used
F69Not Used
F70Not Used
F71Not Used
F72Not Used
F73Not Used
F74Not Used
F75Not Used
F76Not Used
F77Not Used

Relays

Assignment of the relays in the Engine Compartment

Fuse Data
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No.Description
K1Starter 1
K2Run/Crank
K3Starter 3
K4Not Used
K5Not Used
K62019-2021: Coolant pump
K7Engine control module
K8Air conditioning
K9Not Used
K102019: Not Used.
2020-2026: Starter 2

Luggage Compartment

Trunk fuse box diagram: Chevrolet Blazer (2019-..)

Fuses

Assignment of the fuses in the Rear Compartment

Fuse Data
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No.Description
F1Not Used
F2Trailer battery
F3Not Used
F4Rear blower
F5Rear drive control 1
F6Not Used
F7Right window
F8Rear window defogger
F9Left window
F10Not Used
F11Trailer reverse
F12Not Used
F13Not Used
F14Not Used
F15Not Used
F16Not Used
F17Not Used
F18Not Used
F19Not Used
F20Glove box door/ Trailer stoplamp
F21Not Used
F22Not Used
F23Not Used
F24Not Used
F25Not Used
F26Trailer brake
F27Driver ventilated seat/Lumbar
F28Passive entry/ Passive start
F29Not Used
F30Canister vent
F31Not Used
F32Heated mirrors
F33Not Used
F34Liftgate module
F35Fuel system control module/Fuel tank zone module
F36Passenger ventilated seat/ Lumbar
F37Not Used
F38Window module
F39Rear closure
F40Memory seat module
F41Automatic occupancy sensor
F42Not Used
F43Not Used
F44Not Used
F45Liftgate motor
F46Rear heated seats
F47Not Used
F48Not Used
F49Not Used
F50Not Used
F51Not Used
F52Rear drive control 2/ Semi-active dampening system module
F53Video
F54External object calculating/Side blind zone alert
F55Not Used
F56Universal remote/ Rain sensor
F57Alarm overhead console/Theft deterrent

Relays

Assignment of the relays in the Rear Compartment

No.Description
K1Not Used
K2Not Used

Circuit Breakers

Assignment of the circuit breakers in the Rear Compartment

Fuse Data
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No.Description
CB1Not Used
CB2Not Used
CB3Rear auxiliary power outlet

FAQ

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