gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Engine Compartment Fuse Block|Page 2634 > < Engine Compartment Fuse Block|Page 2632
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Fuse 6 ...........................................................................................................................................................................  Driver Side Low-Beam Headlamp
Fuse 7 ....................................................................................................................................................................................................  Windshield Wiper
Fuse 8 ...............................................................................................................................................................................................  Active Transfer Case
Fuse 9 ..................................................................................................................................................................................................  Windshield Washer
Fuse 10 ................................................................................................................................................................................  Powertrain Control Module B
Fuse 11 .............................................................................................................................................................................................................  Fog Lamps
Fuse 12 ................................................................................................................................................................................................................  Stoplamp
Fuse 13 ....................................................................................................................................................................................................  Cigarette Lighter
Fuse 14 .........................................................................................................................................................................................................  Ignition Coils
Fuse 15 .................................................................................................................................................................  Transmission Control Module Canister
Fuse 16 .........................................................................................................................................................................  Truck Body Controller, Ignition 1
Fuse 17 .....................................................................................................................................................................................................................  Crank
Fuse 18 ....................................................................................................................................................................................................................  Airbag
Fuse 19 ............................................................................................................................................................................................  Trailer Electric Brake
Fuse 21 .......................................................................................................................................................................................................................  Horn
Fuse 22 ...............................................................................................................................................................................................................  Ignition E
Fuse 23 ....................................................................................................................................................................................  Electronic Throttle Control
Fuse 24 ............................................................................................................................................  Instrument Panel Cluster, Driver Information Center
Fuse 25 .......................................................................................................................................................................  Brake Transmission Shift Interlock
Fuse 26 .................................................................................................................................................................................................................  Engine 1
Fuse 27 ...................................................................................................................................................................................................................  Backup
Fuse 28 .....................................................................................................................................................................................  Engine Control Module 1 
Fuse 29 .........................................................................................................................................................................................  Engine Control Module
Fuse 30 ....................................................................................................................................................................................................  Air Conditioning
Fuse 31 ...............................................................................................................................................................................................................  Injector A
Fuse 32 ....................................................................................................................................................................................................................  Trailer
Fuse 33 ..........................................................................................................................................................................................  Antilock Brakes (ABS)
Fuse 34 ...............................................................................................................................................................................................................  Ignition A
Fuse 35 ...................................................................................................................................................................................................................  Blower
Fuse 36 ...............................................................................................................................................................................................................  Ignition B
Fuse 50 ...................................................................................................................................................................................  Passenger Side Trailer Turn
Fuse 51 ........................................................................................................................................................................................  Driver Side Trailer Turn
Fuse 52 .....................................................................................................................................................................................................  Hazard Flashers
Fuse 53 ..........................................................................................................................................................................................................  Transmission
Fuse 54 ...................................................................................................................................................................................................  Oxygen Sensor B
Fuse 55 ...................................................................................................................................................................................................  Oxygen Sensor A
Fuse 56 ...............................................................................................................................................................................................................  Injector B
Fuse 57 ......................................................................................................................................................................................  Headlamp Driver Module
Fuse 58 ..................................................................................................................................................................................................  Body Controller 1
Fuse 59 .....................................................................................................................................................................................  Electric Adjustable Pedals
Fuse 61 .................................................................................................................................................................  Vehicle Stability Enhancement System
Fuse 62 ....................................................................................................................................................................................  Regulated Voltage Control
Fuse 63 ...........................................................................................................................................................................................................  Air Solenoid
Fuse 64 ................................................................................................................................................................................................................  Air Pump

RELAYS - USAGE

Relay 37 ..................................................................................................................................................................................................  Headlamp Wiper
Relay 38 ...............................................................................................................................................................................  Rear Window Wiper/Washer
Relay 39 ...........................................................................................................................................................................................................  Fog Lamps
Relay 40 .....................................................................................................................................................................................................................  Horn
Relay 41 ............................................................................................................................................................................................................  Fuel Pump
Relay 42 ..............................................................................................................................................................................................  Windshield Washer
Relay 43 ..........................................................................................................................................................................................  High-Beam Headlamp
Relay 44 ..................................................................................................................................................................................................  Air Conditioning
Relay 46 ....................................................................................................................................................................................  Headlamp Driver Module
Relay 47 ...................................................................................................................................................................................................................  Starter
Relay 49 .....................................................................................................................................................................................  Electric Adjustable Pedal
Relay 60 ............................................................................................................................................................................................................  Powertrain
Relay 69 .........................................................................................................................................................................................................  Air Solenoid

MISCELLANEOUS - USAGE

Item 48 ........................................................................................................................................................................................  Instrument Panel Battery

Engine Compartment Fuse Block|Page 2634 > < Engine Compartment Fuse Block|Page 2632