Chevrolet Blazer I (2019-2022) fuse box diagrams & schemes

Years of production: 2019 2020 2021 2022

Table of contents

Fuse box location
Engine compartment fuse box diagram
Instrument panel fuse box diagram
Rear compartment fuse box location
Rear compartment fuse box diagram

Fuse box location

The underhood fuse box is in the engine compartment, on the driver side of the vehicle. The instrument panel fuse box is inside the center console on the passenger side of the vehicle.

Engine compartment fuse box diagram

Fuses Usage
F1	Antilock brake system pump
F2	Starter 1
F3	DC DC transformer 1
F4	–
F5	DC DC transformer 2
F6	–
F7	Front blower
F8	Starter 3
F9	–
F10	–
F11	–
F12	Front wiper
F13	Starter 2
F14	–
F15	Rear wiper
F16	–
F17	–
F18	–
F19	–
F20	–
F21	–
F22	Electronic brake control module
F23	Parking/Trailer lamps
F24	Right trailer stoplamp/Turnlamp
F25	Steering column lock
F26	–
F27	Left trailer stoplamp/Turnlamp
F28	–
F29	–
F30	Washer pump
F31	Spare/Right low-beam headlamp
F32	Left low-beam headlamp
F33	High-beam headlamp shutter/Fog lamps
F34	Horn
F35	–
F36	Right low-beam/ Left high-beam headlamp
F37	Spare/Right high-beam headlamp
F38	Automatic headlamp leveling motor
F39	Transmission control module
F40	Left rear bus electrical center/DC DC ignition
F41	Instrument cluster
F42	Heating, ventilation, and air conditioning/Central gateway module run/crank
F43	Reflective light alert display
F44	Electronic brake control module/Electric brake booster/Run/crank
F45	–
F46	–
F47	–
F48	–
F49	Interior rearview mirror
F50	Fuel system control module/Fuel tank zone module run/crank
F51	Heated steering wheel
F52	Air conditioning clutch
F53	–
F54	Coolant pump
F55	–
F56	–
F57	Engine control module/Ignition
F58	Transmission control module/Ignition
F59	Engine control module battery
F60	–
F61	O2 sensor 1/ Aeroshutter/Mass air flow sensor
F62	Engine control module – odd
F63	O2 sensor 2
F64	Engine control module – even
F65	Engine control module powertrain 1
F66	Engine control module powertrain 2
F67	Engine control module powertrain 3
F68	–
F69	–
F70	–
F71	–
F72	–
F73	–
F74	–
F75	–
F76	–
F77	–

Relays	Usage
K1	Starter 1
K2	Run/Crank
K3	Starter 3
K4	–
K5	–
K6	Coolant pump
K7	Engine controlmodule
K8	Air conditioning
K9	–
K10	Starter 2

Instrument panel fuse box diagram

Fuses	Usage
F1	Body control module 6
F2	Diagnostic link/Central gateway module
F3	Electric steering column lock
F4	–
F5	–
F6	Heating, ventilation, and air conditioning
F7	Body control module 3
F8	–
F9	Right front heated seat
F10	Airbag/Seatbelt
F11	–
F12	Amplifier/Noise control module
F13	Body control module 7
F14	Left front heated seat
F15	–
F16	Sunroof
F17	–
F18	Instrument cluster
F19	Body control module 1
F20	Rear seat entertainment
F21	Body control module 4
F22	Infotainment USB data/Aux jack
F23	Body control module 2
F24	USB charger/ Wireless charging
F25	Park assist
F26	Communications integration module
F27	–
F28	Heating, ventilation, and air conditioning/Information communication system display
F29	Radio
F30	Steering wheel adjustment controls
F31	Electric brake control module electric brake booster
F32	DC AC inverter
F33	Driver power seat
F34	Passenger power seat
F35	Battery IEC 1 feed
F36	Electric power steering
F37	Rear seat entertainment/USB charge/Wireless charging module/ Auxiliary power outlet/Lighter
F38	Body control module 8
F39	–
F40	–
F41	–
F42	Auxiliary power outlet/Lighter

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

Rear compartment fuse box location

The rear compartment fuse block is behind a trim cover on the driver side of the rear storage compartment.

Rear compartment fuse box diagram

Fuses	Usage
F1	–
F2	Trailer battery
F3	–
F4	Rear blower
F5	Rear drive control 1
F6	–
F7	Right window
F8	Rear window defogger
F9	Left window
F10	–
F11	Trailer reverse
F12	–
F13	–
F14	–
F15	–
F16	–
F17	–
F18	–
F19	–
F20	Glove box door/Trailer stoplamp
F21	–
F22	–
F23	–
F24	–
F25	–
F26	Trailer brake
F27	Driver ventilated seat/Lumbar
F28	Passive entry/Passive start
F29	–
F30	Canister vent
F31	–
F32	Heated mirrors
F33	–
F34	Liftgate module
F35	Fuel system control module/Fuel tank zone module
F36	Passenger ventilated seat/Lumbar
F37	–
F38	Window module
F39	Rear closure
F40	Memory seat module
F41	Automatic occupancy sensor
F42	–
F43	–
F44	–
F45	Liftgate motor
F46	Rear heated seats
F47	–
F48	–
F49	–
F50	–
F51	–
F52	Rear drive control 2/Semi-active dampening system module
F53	Video
F54	External object calculating/Side blind zone alert
F55	–
F56	Universal remote/Rain sensor
F57	Alarm overhead console/Theft deterrent
CB1	–
CB2	–
CB3	Rear auxiliary power outlet
K1	–
K2	–

All Chevrolet Blazer I info & diagrams provided on this site are provided for general information purpose only. Actual Chevrolet Blazer I (2019-2022) diagrams & schemes (fuse box diagrams & layouts, location diagrams, wiring diagrams etc.) may vary depend on the model version.

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