1990 Chevrolet Blazer fuse box diagram
The 1990 Blazer generation S10-1 (also known as "GMT325") has 2 different fuse boxes:
Fuses and Circuit Breakers diagram
Fuses and Circuit Breakers (Ver. 2) diagram
Fuses and Circuit Breakers
| |||||
|---|---|---|---|---|---|
| Type | Description | ||||
Fuse ATO 5A | 3 Instrument Panel Lights, Headlight Warning Buzzer Ash Tray Light, Four Wheel Drive Indicator Light, Fog Light Switch Light | ||||
Fuse ATO 30A | 4 Power Door Locks, CD Player, Electric Shift Transfer Case | ||||
Fuse ATO 20A | 5 Hom, Dome Lights, Glove Box Light, Clock Lighter, Lighted Vanity Mirror, Fog Lamp. Courtesy Lights, Outside Rearview Mirror | ||||
Fuse ATO 20A | 6 Indicator Lights and Gages, Auto. Transmission converter Clutch, Cruise Control Four Wheel Drive Indicator Light, Seat Belt Timer | ||||
Fuse ATO 15A | 7 Rear Wheel Antilock Brake Module, Speedometer | ||||
Fuse ATO 15A | 8 Stop Lights, Hazard Warning Lights, Chime Module (1991-94) | ||||
Fuse ATO 20A | 9 Light Switch, Tail/Park Lights, Digital Cluster, License Lamp | ||||
Fuse ATO 15A | 10 Turn Signals & Backup Lights | ||||
Fuse ATO 25A | 11 Heating and Air Conditioning | ||||
Fuse ATO 15A | 12 Radio, Inside Rearview Mirror Map Lights | ||||
Fuse ATO 15A | 13 Engine Control Module Fuel Pump | ||||
Fuse ATO 10A | 14 Engine Control Module | ||||
Fuse ATO 15A | 14 Engine Control Module (1993-94) | ||||
Fuse ATO 30A | 15 Power Windows | ||||
Fuse ATO 25A | 16 Windshield Wipers and Washers | ||||
Fuse ATO 5A | 17 Electric Shift Transfer Case Module (1993-94) | ||||
Fuse ATO 10A | 18 Daytime Running Light Relay (Canada Only) (1993-94) | ||||
Fuse ATO 3A | 19 Engine Control Module | ||||
Fuse ATO 10A | 20 CD Player (Fuse is attached to Fuse Block) | ||||
Fuse ATO 10A | 21 Aux. Pwr. Outlet (Parcel Tray, Fuse is attached to Fuse Block) | ||||
Fuse puller | FUSEPULLER Extraction tool for fuse replacement. | ||||
Trailer Trailer Wiring Harness (In-line fuse) | |||||
Fuses and Circuit Breakers (Ver. 2)
| |||||
|---|---|---|---|---|---|
| Type | Description | ||||
Fuse ATO 10A | 3 INST LPS | ||||
Fuse ATO 30A | 4 CIR/BRK | ||||
Fuse ATO 20A | 5 CIG LTR/DM | ||||
Fuse ATO 20A | 6 GAGES | ||||
Fuse ATO 25A | 7 AUX HTR A/C | ||||
Fuse ATO 20A | 8 (STOP/HAZ) Stop lights; Hazard light | ||||
Fuse ATO 20A | 9 HRN/TL LPS | ||||
Fuse ATO 20A | 10 TURN B/U | ||||
Fuse ATO 20A | 11 (HTR A/C) Air conditioning system | ||||
Fuse ATO 10A | 12 (RADIO) Radio and audio system | ||||
Fuse ATO 15A | 12 (RADIO) Radio and audio system | ||||
Fuse ATO 15A | 13 (ECM B) Engine control unit | ||||
Fuse ATO 10A | 14 (ECM 1) Engine control unit | ||||
Fuse ATO 30A | 15 CIR/BRK | ||||
Fuse ATO 25A | 16 (WIPER) Wipers | ||||
Fuse ATO 10A | 17 (AIR BAG) Airbag | ||||
Fuse ATO 15A | 18 (BRAKE) Anti-lock braking system | ||||
Fuse ATO 10A | 19 (DRL) Daytime running lights | ||||
Fuse puller | FUSEPULLER Extraction tool for fuse replacement. | ||||
Chevrolet Blazer fuse box diagrams change across years, pick the right year of your vehicle:
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