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In this article, we consider the second-generation GMC Envoy, produced from 2002 to 2009. Here you will find fuse box diagrams of GMC Envoy 2002, 2003, 2004, 2005, 2006, 2007, 2008 and 2009, get information about the location of the fuse panels inside the car, and learn about the assignment of each fuse (fuse layout) and relay.
See other GMC Envoy:
Fuse Layout GMC Envoy 2002-2009
Cigar lighter (power outlet) fuses are the fuse #13 (Cigarette Lighter) in the Engine compartment fuse box, and fuses #15 (2002-2004: Auxiliary Power 2), #46 (Auxiliary Power 1) in the Rear Underseat Fuse Block.
Table of Contents
Fuse box location
Fuse box location
Rear Underseat Fuse Block
It is located under the rear seat on the driver’s side of the vehicle (tilt the seat up, remove the fuse box cover).
Engine compartment fuse box
It is located under the hood in the engine compartment on the driver’s side of the vehicle.
Remove the primary cover by pressing the two lockingtabs. Remove the secondary cover by snapping offwhile lifting.
Fuse box diagrams
Fuse box diagrams
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2002
Engine compartment
| № | Usage |
|---|---|
| Mini Fuses | |
| 1 | ECAS |
| 2 | Passenger’s Side High-Beam Headlamp |
| 3 | Passenger’s Side Low-Beam Headlamp |
| 4 | Back-Up Trailer Lamps |
| 5 | Driver's Side High-Beam Headlamp |
| 6 | Driver's Side Low-Beam Headlamp |
| 7 | WASH |
| 8 | ATC |
| 9 | Windshield Wipers |
| 10 | Powertrain Control Module B |
| 11 | Fog Lamps |
| 12 | ST/LP |
| 13 | Cigarette Lighter |
| 14 | COILS |
| 15 | RIDE |
| 16 | TBD — Ignition 1 |
| 17 | Crank |
| 18 | Air Bag |
| 19 | ELEK Brake |
| 20 | Cooling Fan |
| 21 | Horn |
| 22 | Ignition E |
| 23 | ETC |
| 24 | Instrument Panel Cluster, Driver Information Center |
| 25 | Automatic Shift Lock Control System |
| 26 | ENG 1 |
| 27 | Back-Up |
| 28 | Powertrain Control Module 1 |
| 29 | Oxygen Sensor |
| 30 | Air Conditioning |
| 31 | TBC |
| 50 | Passenger’s Side Trailer TRN |
| 51 | Driver's Side Trailer TRN |
| 52 | Hazard Flashers |
| Case Fuses | |
| 32 | Trailer |
| 33 | Anti-Lock Brakes (ABS) |
| 34 | Ignition A |
| 35 | Blower Motor |
| 36 | Ignition B |
| Micro Relays | |
| 37 | Headlamp Washer |
| 38 | Rear Window Washer |
| 39 | Fog Lamps |
| 40 | Horn |
| 41 | Fuel Pump |
| 42 | Windshield Wipers/Washer |
| 43 | High-Beam Headlamp |
| 44 | Solid State |
| Solid State Relays | |
| 45 | Cooling Fan |
| 46 | HDM |
| Mini Relays | |
| 47 | Starter |
| Miscellaneous | |
| 48 | Instrument Panel Battery |
| 49 | Fuse Puller |
Rear Underseat Fuse Block
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Assignment of the fuses in the Rear Underseat Fuse Block (2002)
| № | Usage |
|---|---|
| 01 | Right Door Control Module |
| 02 | Left Door Control Module |
| 03 | LGM 2 |
| 04 | TBC 3 |
| 05 | Rear Fog Lamps |
| 06 | LGM/DSM |
| 07 | TBC 2 |
| 08 | Power Seats |
| 09 | Blank |
| 10 | DDM |
| 11 | AMP |
| 12 | PDM |
| 13 | Rear Climate Controls |
| 14 | Left Rear Parking Lamps |
| 15 | Auxiliary Power 2 |
| 16 | VEH CHMSL |
| 17 | Right Rear Parking Lamps |
| 18 | LOCK |
| 19 | Blank |
| 20 | Sunroof |
| 21 | LOCKS |
| 23 | Blank |
| 24 | UNLOCK |
| 25 | Blank |
| 26 | Blank |
| 27 | OH Battery/OnStar System |
| 29 | Rainsense Wipers |
| 30 | Parking Lamps |
| 31 | TBC 4CC |
| 32 | TBC 5 |
| 33 | Front Wipers |
| 34 | VEH STOP |
| 35 | Blank |
| 36 | HVAC B |
| 37 | Front Parking Lamps |
| 38 | Left Turn Signal |
| 39 | HVAC1 |
| 40 | TBC 4 |
| 41 | Radio |
| 42 | TR PARK |
| 43 | Right Turn Signal |
| 44 | HVAC |
| 45 | Rear Fog Lamps |
| 46 | Auxiliary Power 1 |
| 47 | Ignition 0 |
| 48 | Four-Wheel Drive |
| 49 | Blank |
| 50 | TBC IG |
| 51 | Brakes |
| 52 | TBC RUN |
2003, 2004
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Engine compartment (L6 Engine)
| № | Usage |
|---|---|
| 1 | Electrically-Controlled Air Suspension |
| 2 | Passenger’s Side High-Beam Headlamp |
| 3 | Passenger’s Side Low-Beam Headlamp |
| 4 | Back-Up-Trailer Lamps |
| 5 | Driver's Side High-Beam Headlamp |
| 6 | Driver's Side Low-Beam Headlamp |
| 7 | Wash |
| 8 | Automatic Transfer Case |
| 9 | Windshield Wipers |
| 10 | Powertrain Control Module B |
| 11 | Fog Lamps |
| 12 | Stop Lamp |
| 13 | Cigarette Lighter |
| 14 | Ignition Coils |
| 15 | Air Suspension Ride |
| 16 | TBD-Ignition 1 |
| 17 | Crank |
| 18 | Air Bag |
| 19 | Electric Brake |
| 20 | Cooling Fan |
| 21 | Horn |
| 22 | Ignition E |
| 23 | Electronic Throttle Control |
| 24 | Instrument Panel Cluster, Driver Information Center |
| 25 | Automatic Shift Lock Control System |
| 26 | Engine 1 |
| 27 | Back-Up |
| 28 | Powertrain Control Module 1 |
| 29 | Oxygen Sensor |
| 30 | Air Conditioning |
| 31 | Truck Body Controller |
| 32 | Trailer |
| 33 | Anti-Lock Brakes (ABS) |
| 34 | Ignition A |
| 35 | Blower Motor |
| 36 | Ignition B |
| 50 | Passenger’s Side Trailer Turn |
| 51 | Driver’s Side Trailer Turn |
| 52 | Hazard Flashers |
| Relays | |
| 37 | Blank |
| 38 | Rear Window Washer |
| 39 | Fog Lamps |
| 40 | Horn |
| 41 | Fuel Pump |
| 42 | Windshield Wipers/Washer |
| 43 | High-Beam Headlamp |
| 44 | Air Conditioning |
| 45 | Cooling Fan |
| 46 | Headlamp Driver Module |
| 47 | Starter |
| Miscellaneous | |
| 48 | Instrument Panel Battery |
| 49 | Blank |
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Engine compartment (V8 Engine)
| № | Usage |
|---|---|
| 1 | Electrically-Controlled Air Suspension |
| 2 | Passenger’s Side High-Beam Headlamp |
| 3 | Passenger’s Side Low-Beam Headlamp |
| 4 | Back-Up-Trailer Lamps |
| 5 | Driver's Side High-Beam Headlamp |
| 6 | Driver's Side Low-Beam Headlamp |
| 7 | Wash |
| 8 | Automatic Transfer Case |
| 9 | Windshield Wipers |
| 10 | Powertrain Control Module B |
| 11 | Fog Lamps |
| 12 | Stop Lamp |
| 13 | Cigarette Lighter |
| 14 | Ignition Coils |
| 15 | Cannister Vent |
| 16 | TBD-Ignition 1 |
| 17 | Crank |
| 18 | Air Bag |
| 19 | Electric Brake |
| 20 | Cooling Fan |
| 21 | Horn |
| 22 | Ignition E |
| 23 | Electronic Throttle Control |
| 24 | Instrument Panel Cluster, Driver Information Center |
| 25 | Automatic Shift Lock Control System |
| 26 | Engine 1 |
| 27 | Back-Up |
| 28 | Powertrain Control Module 1 |
| 30 | Air Conditioning |
| 31 | Truck Body Controller 1 |
| 32 | Trailer |
| 33 | Anti-Lock Brakes (ABS) |
| 34 | Ignition A |
| 35 | Blower Motor |
| 36 | Ignition B |
| 50 | Passenger’s Side Trailer Turn |
| 51 | Driver's Side Trailer Turn |
| 52 | Hazard Flashers |
| 53 | Oxygen Sensor Bank A |
| 54 | Oxygen Sensor Bank B |
| 55 | Injector Bank A |
| 56 | Injector Bank B |
| Relays | |
| 37 | Headlamp Washer |
| 38 | Rear Window Washer |
| 39 | Fog Lamps |
| 40 | Horn |
| 41 | Fuel Pump |
| 42 | Windshield Wipers/Washer |
| 43 | High-Beam Headlamp |
| 44 | Air Conditioning |
| 45 | Cooling Fan |
| 46 | Headlamp Driver Module |
| 47 | Starter |
| 58 | Ignition 1 |
| Miscellaneous | |
| 48 | Instrument Panel Battery |
Rear Underseat Fuse Block (Envoy)
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Assignment of the fuses in the Rear Underseat Fuse Block, Envoy (2003, 2004)
| № | Usage |
|---|---|
| 01 | Right Door Control Module |
| 02 | Left Door Control Module |
| 03 | Liftgate Module 2 |
| 04 | Truck Body Controller 3 |
| 05 | Rear Fog Lamps |
| 06 | Liftgate Module/Driver Seat Module |
| 07 | Truck Body Controller 2 |
| 08 | Power Seats |
| 09 | Blank |
| 10 | Driver Door Module |
| 11 | Amplifier |
| 12 | Passenger Door Module |
| 13 | Rear Climate Controls |
| 14 | Left Rear Parking Lamps |
| 15 | Auxiliary Power 2 |
| 16 | Vehicle Center High-Mounted Stop Lamp |
| 17 | Right Rear Parking Lamps |
| 18 | Locks |
| 19 | Blank |
| 20 | Sunroof |
| 21 | Lock |
| 23 | Blank |
| 24 | Unlock |
| 25 | Blank |
| 26 | Blank |
| 27 | OH Battery/OnStar System |
| 29 | Rainsense Wipers |
| 30 | Parking Lamps |
| 31 | Truck Body Controller 4 Cruise Control |
| 32 | Truck Body Controller 5 |
| 33 | Front Wipers |
| 34 | Vehicle Stop |
| 35 | Blank |
| 36 | Heat Ventilation Air Conditioning B |
| 37 | Front Parking Lamps |
| 38 | Left Turn Signal |
| 39 | Heat Ventilation Air Conditioning 1 |
| 40 | Truck Body Controller 4 |
| 41 | Radio |
| 42 | Trailer Park |
| 43 | Right Turn Signal |
| 44 | Heat Ventilation Air Conditioning |
| 45 | Rear Fog Lamps |
| 46 | Auxiliary Power 1 |
| 47 | Ignition 0 |
| 48 | Four-Wheel Drive |
| 49 | Blank |
| 50 | Truck Body Controller Ignition |
| 51 | Brakes |
| 52 | Truck Body Controller Run |
Rear Underseat Fuse Block (Envoy XL)
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Assignment of the fuses in the Rear Underseat Fuse Block, Envoy XL (2003, 2004)
| № | Usage |
|---|---|
| 01 | Right Door Control Module |
| 02 | Left Door Control Module |
| 03 | Liftgate Module 2 |
| 04 | Truck Body Controller 3 |
| 05 | Rear Fog Lamps |
| 06 | Liftgate Module/Driver Seat Module |
| 07 | Truck Body Controller 2 |
| 08 | Power Seats |
| 09 | Blank |
| 10 | Driver Door Module |
| 11 | Amplifier |
| 12 | Passenger Door Module |
| 13 | Rear Climate Controls |
| 14 | Left Rear Parting Lamps |
| 15 | Auxiliary Power 2 |
| 16 | Vehicle Center High-Mounted Stop Lamp |
| 17 | Right Rear Parking Lamps |
| 18 | Locks |
| 19 | Blank |
| 20 | Sunroof |
| 21 | Lock |
| 22 | Retained Accessory Power |
| 23 | Blank |
| 24 | Unlock |
| 25 | Blank |
| 26 | Blank |
| 27 | OH Battery/OnStar System |
| 28 | Sunroof |
| 29 | Rainsense Wipers |
| 30 | Parking Lamps |
| 31 | Truck Body Controller 4 Cruise Control |
| 32 | Truck Body Controller 5 |
| 33 | Front Wipers |
| 34 | Vehicle Stop |
| 35 | Blank |
| 36 | Heat Ventilation Air Conditioning B |
| 37 | Front Parking Lamps |
| 38 | Left Turn Signal |
| 39 | Heat Ventilation Air Conditioning 1 |
| 40 | Truck Body Controller 4 |
| 41 | Radio |
| 42 | Trailer Park |
| 43 | Right Turn Signal |
| 44 | Heat Ventilation Air Conditioning |
| 45 | Rear Fog Lamps |
| 46 | Auxiliary Power 1 |
| 47 | Ignition 0 |
| 48 | Four-Wheel Drive |
| 49 | Blank |
| 50 | Truck Body Controller Ignition |
| 51 | Brakes |
| 52 | Truck Body Controller Run |
2005
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Engine compartment (L6 Engine)
| № | Usage |
|---|---|
| 1 | Electrically-Controlled Air Suspension |
| 2 | Passenger’s Side High-Beam Headlamp |
| 3 | Passenger’s Side Low-Beam Headlamp |
| 4 | Back-Up-Trailer Lamps |
| 5 | Driver's Side High-Beam Headlamp |
| 6 | Driver's Side Low-Beam Headlamp |
| 7 | Rear Window Washer, Headlamp Washer |
| 8 | Automatic Transfer Case |
| 9 | Windshield Wipers |
| 10 | Powertrain Control Module B |
| 11 | Fog Lamps |
| 12 | StopLamp |
| 13 | Cigarette Lighter |
| 14 | Ignition Coils |
| 15 | Electric Adjustable Pedals |
| 16 | Truck Body Controller, Ignition 1 |
| 17 | Crank |
| 18 | AirBag |
| 19 | Trailer Electric Brake |
| 20 | Cooling Fan |
| 21 | Horn |
| 22 | Ignition E |
| 23 | Electronic Throttle Control |
| 24 | Instrument Panel Cluster, Driver Information Center |
| 25 | Automatic Shift Lock Control System |
| 26 | Engine 1 |
| 27 | Backup |
| 28 | Powertrain Control Module 1 |
| 29 | Oxygen Sensor |
| 30 | Air Conditioning |
| 31 | Truck Body Controller |
| 32 | Trailer |
| 33 | Anti-Lock Brakes (ABS) |
| 34 | Ignition A |
| 35 | Blower Motor |
| 36 | Ignition B |
| 50 | Passenger’s Side Trailer Turn |
| 51 | Driver's Side Trailer Turn |
| 52 | Hazard Flashers |
| 53 | Headlamp Driver Module |
| 54 | Air Injection Reactor (AIR) Solenoid |
| 56 | Air Injection Reactor (AIR) Pump |
| Relays | |
| 37 | Headlamp Washer |
| 38 | Rear Window Washer |
| 39 | Foglamps |
| 40 | Horn |
| 41 | Fuel Pump |
| 42 | Windshield Washer |
| 43 | High-Beam Headlamp |
| 44 | Air Conditioning |
| 45 | Cooling Fan |
| 46 | Headlamp Driver Module |
| 47 | Starter |
| 49 | Electric Adjustable Pedal |
| 55 | Air Injection Reactor (AIR) Solenoid |
| Miscellaneous | |
| 48 | Instrument Panel Battery |
Engine compartment (V8 Engine)
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Assignment of the fuses in the engine compartment, V8 Engine (2005)
| № | Usage |
|---|---|
| 1 | Electrically-Controlled Air Suspension |
| 2 | Passenger’s Side High-Beam Headlamp |
| 3 | Passenger’s Side Low-Beam Headlamp |
| 4 | Back-Up-Trailer Lamps |
| 5 | Driver's Side High-Beam Headlamp |
| 6 | Driver's Side Low-Beam Headlamp |
| 7 | Rear Window Washer, Headlamp Washer |
| 8 | Automatic Transfer Case |
| 9 | Windshield Wipers |
| 10 | Powertrain Control Module B |
| 11 | Fog Lamps |
| 12 | Stop Lamp |
| 13 | Cigarette Lighter |
| 14 | Ignition Coils |
| 15 | Cannister Vent |
| 16 | Truck Body Controller, Ignition 1 |
| 17 | Crank |
| 18 | Air Bag |
| 19 | Trailer Electric Brake |
| 20 | Cooling Fan |
| 21 | Horn |
| 22 | Ignition E |
| 23 | Electronic Throttle Control |
| 24 | Instrument Panel Cluster, Driver Information Center |
| 25 | Automatic Shift Lock Control System |
| 26 | Engine 1 |
| 27 | Back-Up |
| 28 | Powertrain Control Module 1 |
| 29 | Powertrain Control Module |
| 30 | Air Conditioning |
| 31 | Injector Bank A |
| 32 | Trailer |
| 33 | Anti-Lock Brakes (ABS) |
| 34 | Ignition A |
| 35 | Blower Motor |
| 36 | Ignition B |
| 50 | Passenger’s Side Trailer Turn |
| 51 | Driver's Side Trailer Turn |
| 52 | Hazard Flashers |
| 53 | Transmission |
| 54 | Oxygen Sensor Bank B |
| 55 | Oxygen Sensor Bank A |
| 56 | Injector Bank B |
| 57 | Headlamp Driver Module |
| 58 | Truck Body Controller 1 |
| 59 | Electric Adjustable Pedal |
| Relays | |
| 37 | Headlamp Washer |
| 38 | Rear Window Washer |
| 39 | Fog Lamps |
| 40 | Horn |
| 41 | Fuel Pump |
| 42 | Windshield Washer |
| 43 | High-Beam Headlamp |
| 44 | Air Conditioning |
| 45 | Cooling Fan |
| 46 | Headlamp Driver Module |
| 47 | Starter |
| 49 | Electric Adjustable Pedal |
| 60 | Powertrain |
| Miscellaneous | |
| 48 | Instrument Panel Battery |
Rear Underseat Fuse Block (Envoy)
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Assignment of the fuses in the Rear Underseat Fuse Block, Envoy (2005)
| № | Usage |
|---|---|
| 01 | Right Door Control Module |
| 02 | Left Door Control Module |
| 03 | Liftgate Module 2 |
| 04 | Truck Body Controller 3 |
| 05 | Rear Fog Lamps |
| 06 | Blank |
| 07 | Truck Body Controller 2 |
| 08 | Power Seats |
| 09 | Rear Wiper |
| 10 | Driver Door Module |
| 11 | Amplifier |
| 12 | Passenger Door Module |
| 13 | Rear Climate Controls |
| 14 | Left Rear Parking Lamps |
| 15 | Blank |
| 16 | Vehicle Center High-Mounted Stop Lamp |
| 17 | Right Rear Parking Lamps |
| 18 | Locks |
| 19 | Liftgate Module/Driver Seat Module |
| 20 | Blank |
| 21 | Lock |
| 23 | Blank |
| 24 | Unlock |
| 25 | Blank |
| 26 | Blank |
| 27 | OH Battery/OnStar System |
| 28 | Sunroof |
| 29 | Rain sense Wipers |
| 30 | Parking Lamps |
| 31 | Truck Body Controller 4 Cruise Control |
| 32 | Truck Body Controller 5 |
| 33 | Front Wipers |
| 34 | Vehicle Stop |
| 35 | Transmission Control Module |
| 36 | Heat Ventilation Air Conditioning B |
| 37 | Front Parking Lamps |
| 38 | Left Turn Signal |
| 39 | Heat Ventilation Air Conditioning 1 |
| 40 | Truck Body Controller 4 |
| 41 | Radio |
| 42 | Trailer Park |
| 43 | Right Turn Signal |
| 44 | Heat Ventilation Air Conditioning |
| 45 | Rear Fog Lamps |
| 46 | Auxiliary Power 1 |
| 47 | Ignition 0 |
| 48 | Four-Wheel Drive |
| 49 | Blank |
| 50 | Truck Body Controller Ignition |
| 51 | Brakes |
| 52 | Truck Body Controller Run |
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Rear Underseat Fuse Block (Envoy XL)
| № | Usage |
|---|---|
| 01 | Right Door Control Module |
| 02 | Left Door Control Module |
| 03 | Liftgate Module 2 |
| 04 | Truck Body Controller 3 |
| 05 | Rear Fog Lamps |
| 06 | Blank |
| 07 | Truck Body Controller 2 |
| 08 | Power Seats |
| 09 | Rear wiper |
| 10 | Driver Door Module |
| 11 | Amplifier |
| 12 | Passenger Door Module |
| 13 | Rear Climate Controls |
| 14 | Left Rear ParKing Lamps |
| 15 | Blank |
| 16 | Vehicle Center High-Mounted Stop Lamp |
| 17 | Right Rear Parking Lamps |
| 18 | Locks |
| 19 | Liftgate Module/Driver Seat Module |
| 20 | Vent Window |
| 21 | Lock |
| 22 | Retained Accessory Power |
| 23 | Blank |
| 24 | Unlock |
| 25 | Blank |
| 26 | Blank |
| 27 | OH Battery/OnStar System |
| 28 | Sunroof |
| 29 | Rainsense Wipers |
| 30 | Parking Lamps |
| 31 | Truck Body Controller Cruise Control |
| 32 | Truck Body Controller 5 |
| 33 | Front Wipers |
| 34 | Vehicle Stop |
| 35 | Transmission Control Module |
| 36 | Heat Ventilation Air Conditioning B |
| 37 | Front Parking Lamps |
| 38 | Left Turn Signal |
| 39 | Heat Ventilation Air Conditioning 1 |
| 40 | Truck Body Controller 4 |
| 41 | Radio |
| 42 | Trailer Park |
| 44 | Heat Ventilation Air Conditioning |
| 45 | Rear Fog Lamps |
| 46 | Auxiliary Power 1 |
| 47 | Ignition 0 |
| 48 | Four-Wheel Drive |
| 49 | Blank |
| 50 | Truck Body Controller Ignition |
| 51 | Brakes |
| 52 | Truck Body Controller Run |
| BLANK | Blank |
| BLANK | Blank |
| BLANK | Blank |
| BLANK | Blank |
| BLANK | Blank |
| BLANK | Blank |
2006
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Engine compartment (L6 Engine)
| № | Usage |
|---|---|
| 1 | Electrically-Controlled Air Suspension |
| 2 | Passenger’s Side High-Beam Headlamp |
| 3 | Passenger’s Side Low-Beam Headlamp |
| 4 | Back-Up-Trailer Lamps |
| 5 | Driver's Side High-Beam Headlamp |
| 6 | Driver's Side Low-Beam Headlamp |
| 7 | Rear Window Washer, Headlamp Washer |
| 8 | Active Transfer Case |
| 9 | Windshield Wipers |
| 10 | Powertrain Control Module B |
| 11 | Fog Lamps |
| 12 | StopLamp |
| 13 | Cigarette Lighter |
| 14 | Not Used |
| 15 | Electric Adjustable Pedals |
| 16 | Truck Body Controller, Ignition 1 |
| 17 | Crank |
| 18 | AirBag |
| 19 | Trailer Electric Brake |
| 20 | Cooling Fan |
| 21 | Horn |
| 22 | Ignition E |
| 23 | Electronic Throttle Control |
| 24 | Instrument Panel Cluster, Driver Information Center |
| 25 | Automatic Shift Lock Control System |
| 26 | Engine 1 |
| 27 | Backup |
| 28 | Powertrain Control Module 1 |
| 29 | Oxygen Sensor |
| 30 | Air Conditioning |
| 31 | Truck Body Controller |
| 32 | Trailer |
| 33 | Anti-Lock Brakes (ABS) |
| 34 | Ignition A |
| 35 | Blower Motor |
| 36 | Ignition B |
| 50 | Passengers Side Trailer Turn |
| 51 | Drivers Side Trailer Turn |
| 52 | Hazard Flashers |
| 53 | Headlamp Driver Module |
| 54 | Air Injection Reactor (AIR) Solenoid |
| 56 | Air Injection Reactor (AIR) Pump |
| 58 | Vehicle Stability Enhancement System (StabiliTrak) |
| Relays | |
| 37 | Headlamp Washer |
| 38 | Rear Window Washer |
| 39 | Fog lamps |
| 40 | Horn |
| 41 | Fuel Pump |
| 42 | Windshield Washer |
| 43 | High-Beam Headlamp |
| 44 | Air Conditioning |
| 45 | Cooling Fan |
| 46 | Headlamp Driver Module |
| 47 | Starter |
| 49 | Electric Adjustable Pedal |
| 55 | Air Injection Reactor (AIR) Solenoid |
| 57 | Powertrain |
| Miscellaneous | |
| 48 | Instrument Panel Battery |
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Engine compartment (V8 Engine)
| № | Usage |
|---|---|
| 1 | Electrically-Controlled Air Suspension |
| 2 | Passenger’s Side High-Beam Headlamp |
| 3 | Passenger’s Side Low-Beam Headlamp |
| 4 | Back-Up-Trailer Lamps |
| 5 | Driver's Side High-Beam Headlamp |
| 6 | Driver's Side Low-Beam Headlamp |
| 7 | Rear Window Washer, Headlamp Washer |
| 8 | Automatic Transfer Case |
| 9 | Windshield Wipers |
| 10 | Powertrain Control Module B |
| 11 | Fog Lamps |
| 12 | Stop Lamp |
| 13 | Cigarette Lighter |
| 14 | Ignition Coils |
| 15 | Canister Vent |
| 16 | Truck Body Controller, Ignition 1 |
| 17 | Crank |
| 18 | AirBag |
| 19 | Trailer Electric Brake |
| 20 | Cooling Fan |
| 21 | Horn |
| 22 | Ignition E |
| 23 | Electronic Throttle Control |
| 24 | Instrument Panel Cluster, Driver Information Center |
| 25 | Automatic Shift Lock Control System |
| 26 | Engine 1 |
| 27 | Backup |
| 28 | Powertrain Control Module 1 |
| 29 | Powertrain Control Module |
| 30 | Air Conditioning |
| 31 | Injector Bank A |
| 32 | Trailer |
| 33 | Anti-Lock Brakes (ABS) |
| 34 | Ignition A |
| 35 | Blower Motor |
| 36 | Ignition B |
| 50 | Passengers Side Trailer Turn |
| 51 | Drivers Side Trailer Turn |
| 52 | Hazard Flashers |
| 53 | Transmission |
| 54 | Oxygen Sensor Bank B |
| 55 | Oxygen Sensor Bank A |
| 56 | Injector Bank B |
| 57 | Headlamp Driver Module |
| 58 | Truck Body Controller 1 |
| 59 | Electric Adjustable Pedal |
| Relays | |
| 37 | Headlamp Washer |
| 38 | Rear Window Washer |
| 39 | Fog Lamps |
| 40 | Horn |
| 41 | Fuel Pump |
| 42 | Windshield Washer |
| 43 | High-Beam Headlamp |
| 44 | Air Conditioning |
| 45 | Cooling Fan |
| 46 | Headlamp Driver Module |
| 47 | Starter |
| 49 | Electric Adjustable Pedal |
| 60 | Powertrain |
| 61 | Vehicle Stability Enhancement System (StabiliTrak®) |
| Miscellaneous | |
| 48 | Instrument Panel Battery |
Rear Underseat Fuse Block (Envoy)
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Assignment of the fuses in the Rear Underseat Fuse Block, Envoy (2006)
| № | Usage |
|---|---|
| 01 | Right Door Control Module |
| 02 | Left Door Control Module |
| 03 | Liftgate Module 2 |
| 04 | Truck Body Controller 3 |
| 05 | Rear Fog Lamps |
| 06 | Blank |
| 07 | Truck Body Controller 2 |
| 08 | Power Seats |
| 09 | Rear Wiper |
| 10 | Driver Door Module |
| 11 | Amplifier |
| 12 | Passenger Door Module |
| 13 | Rear Climate Controls |
| 14 | Left Rear Parking Lamps |
| 15 | Blank |
| 16 | Vehicle Center High-Mounted Stop Lamp |
| 17 | Right Rear Parking Lamps |
| 18 | Locks |
| 19 | Liftgate Module/Driver Seat Module |
| 20 | Blank |
| 21 | Lock |
| 23 | Blank |
| 24 | Unlock |
| 25 | Blank |
| 26 | Blank |
| 27 | OH Battery/OnStar System |
| 28 | Sunroof |
| 29 | Rainsense Wipers |
| 30 | Parking Lamps |
| 31 | Truck Body Controller Cruise Control |
| 32 | Truck Body Controller 5 |
| 33 | Front Wipers |
| 34 | Vehicle Stop |
| 35 | Transmission Control Module |
| 36 | Heat Ventilation Air Conditioning B |
| 37 | Front Parking Lamps |
| 38 | Left Turn Signal |
| 39 | Heat Ventilation Air Conditioning 1 |
| 40 | Truck Body Controller 4 |
| 41 | Radio |
| 42 | Trailer Park |
| 43 | Right Turn Signal |
| 44 | Heat Ventilation Air Conditioning |
| 45 | Rear Fog Lamps |
| 46 | Auxiliary Power 1 |
| 47 | Ignition 0 |
| 48 | Four-Wheel Drive |
| 49 | Blank |
| 50 | Truck Body Controller Ignition |
| 51 | Brakes |
| 52 | Truck Body Controller Run |
Rear Underseat Fuse Block (Envoy XL)
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Assignment of the fuses in the Rear Underseat Fuse Block, Envoy XL (2006)
| № | Usage |
|---|---|
| 01 | Right Door Control Module |
| 02 | Left Door Control Module |
| 03 | Liftgate Module 2 |
| 04 | Truck Body Controller 3 |
| 05 | Rear Fog Lamps |
| 06 | Blank |
| 07 | Truck Body Controller 2 |
| 08 | Power Seats |
| 09 | Rear wiper |
| 10 | Driver Door Module |
| 11 | Amplifier |
| 12 | Passenger Door Module |
| 13 | Rear Climate Controls |
| 14 | Left Rear Parking Lamps |
| 15 | Blank |
| 16 | Vehicle Center High-Mounted Stop Lamp |
| 17 | Right Rear Parking Lamps |
| 18 | Locks |
| 19 | Liftgate Module/Driver Seat Module |
| 20 | Vent Window |
| 21 | Lock |
| 22 | Retained Accessory Power |
| 23 | Blank |
| 24 | Unlock |
| 25 | Blank |
| 26 | Blank |
| 27 | OH Battery/OnStar System |
| 28 | Sunroof |
| 29 | Rainsense Wipers |
| 30 | Parking Lamps |
| 31 | Truck Body Controller Accessory |
| 32 | Truck Body Controller 5 |
| 33 | Front Wipers |
| 34 | Vehicle Stop |
| 35 | Transmission Control Module |
| 36 | Heat Ventilation Air Conditioning B |
| 37 | Front Parking Lamps |
| 38 | Left Turn Signal |
| 39 | Heat Ventilation Air Conditioning 1 |
| 40 | Truck Body Controller 4 |
| 41 | Radio |
| 42 | Trailer Park |
| 43 | Right Turn Signal |
| 44 | Heat Ventilation Air Conditioning |
| 45 | Rear Fog Lamps |
| 46 | Auxiliary Power 1 |
| 47 | Ignition 0 |
| 48 | Four-Wheel Drive |
| 49 | Blank |
| 50 | Truck Body Controller Ignition |
| 51 | Brakes |
| 52 | Truck Body Controller Run |
| BLANK | Blank |
| BLANK | Blank |
| BLANK | Blank |
| BLANK | Blank |
| BLANK | Blank |
| BLANK | Blank |
2007, 2008, 2009
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Engine compartment (L6 Engine)
| № | Usage |
|---|---|
| 1 | Electrically-Controlled Air Suspension |
| 2 | Passenger’s Side High-Beam Headlamp |
| 3 | Passenger’s Side Low-Beam Headlamp |
| 4 | Back-Up-Trailer Lamps |
| 5 | Driver's Side High-Beam Headlamp |
| 6 | Driver's Side Low-Beam Headlamp |
| 7 | Windshield Wiper |
| 8 | Active Transfer Case |
| 9 | Windshield Wipers |
| 10 | Powertrain Control Module B |
| 11 | Fog Lamps |
| 12 | StopLamp |
| 13 | Cigarette Lighter |
| 15 | Electric Adjustable Pedals |
| 16 | Truck Body Controller, Ignition 1 |
| 17 | Crank |
| 18 | AirBag |
| 19 | Trailer Electric Brake |
| 20 | Cooling Fan |
| 21 | Horn |
| 22 | Ignition E |
| 23 | Electronic Throttle Control |
| 24 | Instrument Panel Cluster, Driver Information Center |
| 25 | Automatic Shift Lock Control System |
| 26 | Transmission Control Module Canister |
| 27 | Backup |
| 28 | Powertrain Control Module 1 |
| 29 | Oxygen Sensor |
| 30 | Air Conditioning |
| 31 | Truck Body Controller |
| 32 | Trailer |
| 33 | Anti-Lock Brakes (ABS) |
| 34 | Ignition A |
| 35 | Blower Motor |
| 36 | Blower |
| 50 | Passenger’s Side Trailer Turn |
| 51 | Driver's Side Trailer Turn |
| 52 | Hazard Flashers |
| 53 | Headlamp Driver Module |
| 54 | Air Injection Reactor (AIR) Solenoid |
| 56 | Air Injection Reactor (AIR) Pump |
| 58 | Vehicle Stability Enhancement System (StabiliTrak®) |
| 59 | Regulated Voltage Control |
| Relays | |
| 37 | Headlamp Washer |
| 38 | Rear Window Washer |
| 39 | Fog lamps |
| 40 | Horn |
| 41 | Fuel Pump |
| 42 | Windshield Washer |
| 43 | High-Beam Headlamp |
| 44 | Air Conditioning |
| 45 | Cooling Fan |
| 46 | Headlamp Driver Module |
| 47 | Starter |
| 49 | Electric Adjustable Pedal |
| 55 | Air Injection Reactor (AIR) Solenoid |
| 57 | Powertrain |
| Miscellaneous | |
| 48 | Instrument Panel Battery |
Engine compartment (V8 Engine)
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Assignment of the fuses in the engine compartment, V8 Engine (2007, 2008, 2009)
| № | Usage |
|---|---|
| 1 | Electrically-Controlled Air Suspension |
| 2 | Passenger’s Side High-Beam Headlamp |
| 3 | Passenger’s Side Low-Beam Headlamp |
| 4 | Back-Up-Trailer Lamps |
| 5 | Driver's Side High-Beam Headlamp |
| 6 | Driver's Side Low-Beam Headlamp |
| 7 | Windshield Wiper |
| 8 | Automatic Transfer Case |
| 9 | Windshield Wipers |
| 10 | Powertrain Control Module B |
| 11 | Fog Lamps |
| 12 | Stoplamp |
| 13 | Cigarette Lighter |
| 14 | Ignition Coils |
| 15 | Transmission Control Module (TCM) Canister Vent |
| 16 | Truck Body Controller, Ignition 1 |
| 17 | Crank |
| 18 | Airhag |
| 19 | Trailer Electric Brake |
| 20 | Cooling Fan |
| 21 | Horn |
| 22 | Ignition E |
| 23 | Electronic Throttle Control |
| 24 | Instrument Panel Cluster, Driver Information Center |
| 25 | Automatic Shift Lock Control System |
| 26 | Engine 1 |
| 27 | Backup |
| 28 | Powertrain Control Module 1 |
| 29 | Powertrain Control Module |
| 30 | Air Conditioning |
| 31 | Injector Bank A |
| 32 | Trailer |
| 33 | Anti-Lock Brakes (ABS) |
| 34 | Ignition A |
| 35 | Blower Motor |
| 36 | Ignition B |
| 50 | Passenger’s Side Trailer Turn |
| 51 | Driver's Side Trailer Turn |
| 52 | Hazard Flashers |
| 53 | Transmission |
| 54 | Oxygen Sensor Bank B |
| 55 | Oxygen Sensor Bank A |
| 56 | Injector Bank B |
| 57 | Headlamp Driver Module |
| 58 | Truck Body Controller 1 |
| 59 | Electric Adjustable Pedal |
| 61 | Vehicle Stability Enhancement System (StabiliTrak®) |
| 62 | Regulated Voltage Control |
| Relays | |
| 37 | Headlamp Washer |
| 38 | Rear Window Wiper/Washer |
| 39 | Fog Lamps |
| 40 | Horn |
| 41 | Fuel Pump |
| 42 | Windshield Washer |
| 43 | High-Beam Headlamp |
| 44 | Air Conditioning |
| 45 | Cooling Fan |
| 46 | Headlamp Driver Module |
| 47 | Starter |
| 49 | Electric Adjustable Pedal |
| 60 | Powertrain |
| Miscellaneous | |
| 48 | Instrument Panel Battery |
Rear Underseat Fuse Block
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Assignment of the fuses in the Rear Underseat Fuse Block (2007, 2008, 2009)
| № | Usage |
|---|---|
| 01 | Right Door Control Module |
| 02 | Left Door Control Module |
| 03 | Liftgate Module 2 |
| 04 | Truck Body Controller 3 |
| 05 | Rear Fog Lamps |
| 06 | Blank |
| 07 | Truck Body Controller 2 |
| 08 | Power Seats |
| 09 | Rear Wiper |
| 10 | Driver Door Module |
| 11 | Amplifier |
| 12 | Passenger Door Module |
| 13 | Rear Climate Controls |
| 14 | Driver Side Rear Parking Lamps |
| 15 | Blank |
| 16 | Vehicle Center High-Mounted Stoplamp (CHMSL) |
| 17 | Passenger Side Rear Parking Lamps |
| 18 | Locks |
| 19 | Liftgate Module/Driver Seat Module |
| 20 | Blank |
| 21 | Lock |
| 23 | Blank |
| 24 | Unlock |
| 25 | Blank |
| 26 | Blank |
| 27 | OnStar Overhead Battery/OnStar System |
| 28 | Sunroof |
| 29 | Not Used |
| 30 | Parking Lamps |
| 31 | Truck Body Controller Accessory |
| 32 | Truck Body Controller 5 |
| 33 | Front Wipers |
| 34 | Vehicle Stop |
| 35 | Transmission Control Module |
| 36 | Heat Ventilation Air Conditioning B |
| 37 | Front Parking Lamps |
| 38 | Driver Side Turn Signal |
| 39 | Heat Ventilation Air Conditioning 1 |
| 40 | Truck Body Controller 4 |
| 41 | Radio |
| 42 | Trailer Park |
| 43 | Passenger Side Turn Signal |
| 44 | Heat Ventilation Air Conditioning |
| 45 | Rear Fog Lamps |
| 46 | Auxiliary Power 1 |
| 47 | Ignition 0 |
| 48 | Four-Wheel Drive |
| 49 | Blank |
| 50 | Truck Body Controller Ignition |
| 51 | Brakes |
| 52 | Truck Body Controller Run |
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