GMC Envoy (2002-2009) - Service Manual / Repair Manual - Wiring Diagrams

GMC ENVOY (2002-2009) - WORKSHOP, SERVICE, REPAIR MANUAL - WIRING DIAGRAMS

- English Service Manual and Wiring Diagrams, to car GMC Envoy (2002-2009).
 

CONTENTS:

SERVICE MANUAL

01 General Information
- 01 Maintenance & Lubrication
- 02 Service Reminder Indicators
02 Engine
- 01 Engine Mechanical (+Electrical) - 5.3L
- 02 Engine Mechanical - 4.2L
- 03 Engine Controls & Fuel - 4.2L
- 04 Engine Cooling
- 05 Engine Electrical
- 06 Engine Exhaust
- 07 Cruise Control
03 Transmission
- 01 Automatic Transmission - 4L60-E, 4L65-E, 4L70-E
- 02 Shift Lock Control
04 Suspension
- 01 Air Suspension
- 02 Front Suspension
- 03 Rear Suspension
- 04 Tire Pressure Monitoring
05 Driveline & Axle
- 01 Front Drive Axle
- 02 Rear Drive Axle
- 03 Wheel Drive Shafts
- 04 Propeller Shaft
06 Brakes
- 01 Antilock Brake System
- 02 Hydraulic Brakes
- 03 Park Brake
- 04 Disc Brakes
07 Steering
- 01 Power Steering
- 02 Steering Wheel & Column
08 Accessories & Equipment
- 01 Cellular, Entertainment & Navigation
- 02 Exterior Trim
- 03 Frame & Underbody
- 04 Displays & Gages
- 05 Horns
- 06 Instrument Panel & Console Trim
- 07 Interior Trim & Paneling
- 08 Lighting
- 09 Mirrors
- 10 Sunroof
- 11 Fixed and Moveable Windows
- 12 Wipers & Washers
09 Seats
- 01 Power Seats
10 Heating, Ventilation & Air Conditioning
- 01 HVAC - Automatic
- 02 HVAC - Manual
- 03 Heating, Ventilation & Air Conditioning
11 Restraints
- 01 Supplemental Inflatable Restraints


ELECTRICAL COMPONENT LOCATOR

Fig. 1: Underhood Fuse Block
Fig. 2: Left & Right Instrument Panel Carrier
Fig. 3: Dash Panel Carrier
Fig. 4: Center Of Dash
Fig. 5: Right Front Of Vehicle
Fig. 6: Rear Frame & Underbody
Fig. 7: Right Front Of Engine (4.2L)
Fig. 8: Center Floor Pan
Fig. 9: Front Hubs & Rotors
Fig. 10: Center Of Floor Pan
Fig. 11: Dash Assembly
Fig. 12: Steering Wheel Assembly
Fig. 13: Lower Console
Fig. 14: Lower Left Side Of Dash
Fig. 15: Rear Floor Panel
Fig. 16: Right Body Side Inner Lower Panel
Fig. 17: Liftgate
Fig. 18: Right Front Of Engine Compartment
Fig. 19: Center Rear Of Engine Compartment
Fig. 20: Upper Left Side Of Engine (5.3L/6.0L)
Fig. 21: Upper Right Side Of Engine (5.3L/6.0L)
Fig. 22: Upper Right Side Of Engine (5.3L/6.0L)
Fig. 23: Lower Right Rear Of Engine (5.3L/6.0L)
Fig. 24: Power Brake Booster
Fig. 25: Under Left Side Of Dash
Fig. 26: Lower Left Side Of Engine (4.2L)
Fig. 27: Top Of Engine (4.2L)
Fig. 28: Right Side Of Transmission
Fig. 29: Center Of Dash
Fig. 30: Rear Of Engine Compartment
Fig. 31: Rear Of Front Fascia
Fig. 32: Left Side Of Engine (5.3L/6.0L)
Fig. 33: Right Side Of Engine (5.3L/6.0L)
Fig. 34: Chassis
Fig. 35: Rear Of Dash
Fig. 36: Passenger Compartment
Fig. 37: Under Floor Console
Fig. 38: Automatic Transmission Electronic Components
Fig. 39: Lower Left Side Of Engine (4.2L)
Fig. 40: Lower Right Side Of Engine (5.3L/6.0L)
Fig. 41: Right Rear Of Engine Compartment
Fig. 42: Left Front Of Engine (4.2L)
Fig. 43: Left "B" Pillar
Fig. 44: Right Side Of Instrument Panel Carrier
Fig. 45: Air Duct In Instrument Panel Carrier
Fig. 46: Center Section Of Instrument Panel Carrier
Fig. 47: Dash Panel
Fig. 48: Left Front Of Engine Compartment (4.2L)
Fig. 49: Instrument Panel Carrier
Fig. 50: Left Rear Of Engine Compartment
Fig. 51: Right Front Side Of Engine
Fig. 52: Front Of Engine (5.3L/6.0L)
Fig. 53: Overhead Console
Fig. 54: Lower Console
Fig. 55: Front Of Engine Compartment
Fig. 56: Lower Left Side Of Dash
Fig. 57: Behind Right Side Of Instrument Panel
Fig. 58: Driver Door
Fig. 59: Front Passenger Door
Fig. 60: Left Rear Door
Fig. 61: Right Rear Door
Fig. 62: Front Of Chassis
Fig. 63: Left Side Of Engine Compartment
Fig. 64: Left Front Side Of Engine
Fig. 65: Upper Right Side Of Engine
Fig. 66: Upper Left Side Of Engine (4.2L)
Fig. 67: Left Front Of Engine (5.3L/6.0L)
Fig. 68: Behind Left Headlamp
Fig. 69: Behind Right Headlamp
Fig. 70: Below Rear Of Engine
Fig. 71: Lower Left Front Of Engine Compartment
Fig. 72: Center Of Instrument Panel
Fig. 73: Steering Wheel Column
Fig. 74: Rear Floor
Fig. 75: Beneath Passenger Seat Cushion
Fig. 76: Right Rear Of Passenger Seat
Fig. 77: Under Driver Seat
Fig. 78: Under Passenger Seat
Fig. 79: Driver's Door
Fig. 80: Passenger's Door
Fig. 81: Lower Left Side Of Engine (5.3L/6.0L)
Fig. 82: Behind Driver Seat
Fig. 83: Behind Passenger Seat
Fig. 84: Beneath Driver Seat Cushion
Fig. 85: Left Side Of Automatic Transmission
Fig. 86: Center Of Rear Floor
Fig. 87: Upper Right Side Of Engine
Fig. 88: Sunroof Motor
Fig. 89: Rear Chassis
Fig. 90: Steering Column
Fig. 91: Lower Left Side Of Instrument Carrier Support
Fig. 92: Left Front Of Engine Compartment
Fig. 93: Rear Of Engine (5.3L/6.0L)
Fig. 94: Under Front Passenger Seat
Fig. 95: Engine (4.2L)
Fig. 96: Front Of Dash
Fig. 97: Headliner
Fig. 98: Underhood Fuse Block (4.2L)
Fig. 99: Behind Driver's Seat
Fig. 100: Behind Front Passenger's Seat
Fig. 101: Driver's Door
Fig. 102: Right Front Door
Fig. 103: Left Side Of Engine Compartment
Fig. 104: Lower Left Side Of Engine (5.3L/6.0L)
Fig. 105: Lower Left Side Of Engine (4.2L)
Fig. 106: Right Front Of Engine (5.3L/6.0L)
Fig. 107: Left Side Of Engine (5.3L/6.0L)
Fig. 108: Left "C" Pillar
Fig. 109: Left "D" Pillar
Fig. 110: Left Rear Of Chassis
Fig. 111: Underhood Fuse Block (5.3L/6.0L)
Fig. 112: Rear Fuse Block
Fig. 113: Rear Of Vehicle
Fig. 114: Instrument Panel Carrier
Fig. 115: Left Side Of Engine Compartment (5.3L/6.0L)
Fig. 116: Left Frame Rail


ELECTRICAL WIRING DIAGRAMS

2002 GMC Envoy
- 1: Automatic A/C Circuit (1 of 2)
- 2: Automatic A/C Circuit (2 of 2)
- 3: Manual A/C Circuit (1 of 2)
- 4: Manual A/C Circuit (2 of 2)
- 5: Anti-lock Brake Circuits
- 6: Immobilizer Circuit
- 7: Pass-Key Circuit
- 8: Body Computer Circuits
- 9: Computer Data Lines
- 10: Cooling Fan Circuit
- 11: Cruise Control Circuit
- 12: Defogger Circuit
- 13: Electronic Suspension Circuit
- 14: 4.2L VIN S, Engine Performance Circuits (1 of 5)
- 15: 4.2L VIN S, Engine Performance Circuits (2 of 5)
- 16: 4.2L VIN S, Engine Performance Circuits (3 of 5)
- 17: 4.2L VIN S, Engine Performance Circuits (4 of 5)
- 18: 4.2L VIN S, Engine Performance Circuits (5 of 5)
- 19: Back-up Lamps Circuit
- 20: Exterior Lamps Circuit (1 of 2)
- 21: Exterior Lamps Circuit (2 of 2)
- 22: Ground Distribution Circuit (1 of 4)
- 23: Ground Distribution Circuit (2 of 4)
- 24: Ground Distribution Circuit (3 of 4)
- 25: Ground Distribution Circuit (4 of 4)
- 26: Headlight Circuit
- 27: Horn Circuit
- 28: Instrument Cluster Circuit
- 29: Courtesy Lamps Circuit (1 of 2)
- 30: Courtesy Lamps Circuit (2 of 2)
- 31: Instrument Illumination Circuit (1 of 2)
- 32: Instrument Illumination Circuit (2 of 2)
- 33: Driver's Memory Seat Circuit
- 34: Memory Mirrors Circuit
- 35: Passenger's Memory Seat Circuit
- 36: Power Distribution Circuit (1 of 5)
- 37: Power Distribution Circuit (2 of 5)
- 38: Power Distribution Circuit (3 of 5)
- 39: Power Distribution Circuit (4 of 5)
- 40: Power Distribution Circuit (5 of 5)
- 41: Power Door Lock Circuit
- 42: Automatic Day/Night Mirror Circuit
- 43: Power Mirrors Circuit
- 44: 8-Way Adjustable Power Seat Circuit
- 45: Lumbar Circuit
- 46: Power Top/Sunroof Circuits, Long Wheel Base
- 47: Power Top/Sunroof Circuits, Short Wheel Base
- 48: Power Window Circuit
- 49: Rear Quarter Windows Circuit
- 50: Base Radio Circuit, W/ Rear Seat Audio
- 51: Base Radio Circuit, W/O Rear Seat Audio
- 52: Premium Sound Radio Circuit (1 of 2)
- 53: Premium Sound Radio Circuit (2 of 2)
- 54: Ignition Lock Solenoid
- 55: Shift Interlock Circuit
- 56: Charging Circuit
- 57: Starting Circuit
- 58: Supplemental Restraint Circuit
- 59: 4.2L VIN S, A/T Circuit
- 60: 4.2L VIN S, Transfer Case Circuit
- 61: Warning System Circuits
- 62: Front Washer/Wiper Circuit
- 63: Headlamp Washer Circuit
- 64: Rear Washer/Wiper Circuit

2003 GMC Envoy
- 1: Automatic A/C Circuit, Short Wheel Base (1 of 2)
- 2: Automatic A/C Circuit, Short Wheel Base (2 of 2)
- 3: Compressor Circuit
- 4: Manual A/C Circuit, Short Wheel Base (1 of 2)
- 5: Manual A/C Circuit, Short Wheel Base (2 of 2)
- 6: Anti-lock Brakes Circuit
- 7: Forced Entry Circuit
- 8: Pass-Key Circuit
- 9: Body Control Modules Circuit
- 10: Computer Data Lines Circuit
- 11: Cooling Fan Circuit
- 12: 4.2L VIN S, Cruise Control Circuit
- 13: Defoggers Circuit
- 14: Electronic Suspension Circuit
- 15: 4.2L VIN S, Engine Performance Circuit (1 of 5)
- 16: 4.2L VIN S, Engine Performance Circuit (2 of 5)
- 17: 4.2L VIN S, Engine Performance Circuit (3 of 5)
- 18: 4.2L VIN S, Engine Performance Circuit (4 of 5)
- 19: 4.2L VIN S, Engine Performance Circuit (5 of 5)
- 20: Back-up Lamps Circuit
- 21: Exterior Lamps Circuit (1 of 2)
- 22: Exterior Lamps Circuit (2 of 2)
- 23: Ground Distribution Circuit (1 of 4)
- 24: Ground Distribution Circuit (2 of 4)
- 25: Ground Distribution Circuit (3 of 4)
- 26: Ground Distribution Circuit (4 of 4)
- 27: Headlights Circuit
- 28: Horn Circuit
- 29: Instrument Cluster Circuit
- 30: Courtesy Lamps Circuit (1 of 2)
- 31: Courtesy Lamps Circuit (2 of 2)
- 32: Instrument Illumination Circuit (1 of 2)
- 33: Instrument Illumination Circuit (2 of 2)
- 34: Driver"s Memory Seat Circuit
- 35: Memory Mirrors Circuit
- 36: Passenger"s Memory Seat Circuit
- 37: Power Distribution Circuit (1 of 6)
- 38: Power Distribution Circuit (2 of 6)
- 39: Power Distribution Circuit (3 of 6)
- 40: Power Distribution Circuit (4 of 6)
- 41: Power Distribution Circuit (5 of 6)
- 42: Power Distribution Circuit (6 of 6)
- 43: Power Door Locks Circuit
- 44: Automatic Day/Night Mirror Circuit
- 45: Power Mirrors Circuit
- 46: 8-Way Adjustable Power Seat Circuit
- 47: Driver Heated Seat Circuit
- 48: Lumbar Circuit
- 49: Passenger"s Heated Seat Circuit
- 50: Power Top/Sunroof Circuit, Long Wheel Base
- 51: Power Top/Sunroof Circuit, Short Wheel Base
- 52: Power Windows Circuit
- 53: Base Radio Circuit, W/ Rear Seat Audio
- 54: Base Radio Circuit, W/O Rear Seat Audio
- 55: DVD Player/Voice Recorder Circuit
- 56: Premium Sound Radio Circuit (1 of 2)
- 57: Premium Sound Radio Circuit (2 of 2)
- 58: Ignition Lock Solenoid Circuit
- 59: Shift Interlock Circuit
- 60: Charging Circuit
- 61: Starting Circuit
- 62: Supplemental Restraints Circuit
- 63: Transfer Case Circuit, 2 Speed
- 64: Transfer Case Circuit, Single Speed
- 65: 4.2L VIN S, A/T Circuit
- 66: Warning Systems Circuit
- 67: Front Washer/Wiper Circuit
- 68: Headlamp Washer Circuit
- 69: Rear Washer/Wiper Circuit

2004 GMC Envoy
- 1: Automatic A/C Circuit, Short Wheel Base (1 of 2)
- 2: Automatic A/C Circuit, Short Wheel Base (2 of 2)
- 3: Compressor Circuit
- 4: Manual A/C Circuit, Short Wheel Base (1 of 2)
- 5: Manual A/C Circuit, Short Wheel Base (2 of 2)
- 6: Anti-lock Brakes Circuit, W/ Traction Control
- 7: Anti-lock Brakes Circuit, W/O Traction Control
- 8: Forced Entry Circuit
- 9: Pass-Key Circuit
- 10: Body Control Modules Circuit
- 11: Computer Data Lines Circuit
- 12: Cooling Fan Circuit
- 13: 4.2L VIN S, Cruise Control Circuit
- 14: 5.3L VIN P, Cruise Control Circuit
- 15: Defoggers Circuit
- 16: Electronic Suspension Circuit
- 17: 4.2L VIN S, Engine Performance Circuit (1 of 5)
- 18: 4.2L VIN S, Engine Performance Circuit (2 of 5)
- 19: 4.2L VIN S, Engine Performance Circuit (3 of 5)
- 20: 4.2L VIN S, Engine Performance Circuit (4 of 5)
- 21: 4.2L VIN S, Engine Performance Circuit (5 of 5)
- 22: Back-up Lamps Circuit
- 23: Exterior Lamps Circuit (1 of 2)
- 24: Exterior Lamps Circuit (2 of 2)
- 25: Ground Distribution Circuit (1 of 6)
- 26: Ground Distribution Circuit (2 of 6)
- 27: Ground Distribution Circuit (3 of 6)
- 28: Ground Distribution Circuit (4 of 6)
- 29: Ground Distribution Circuit (5 of 6)
- 30: Ground Distribution Circuit (6 of 6)
- 31: Headlights Circuit
- 32: Horn Circuit
- 33: Instrument Cluster Circuit
- 34: Courtesy Lamps Circuit (1 of 2)
- 35: Courtesy Lamps Circuit (2 of 2)
- 36: Instrument Illumination Circuit (1 of 2)
- 37: Instrument Illumination Circuit (2 of 2)
- 38: Adjustable Pedal Circuit
- 39: Driver"s Memory Seat Circuit
- 40: Memory Mirrors Circuit
- 41: Power Distribution Circuit (1 of 7)
- 42: Power Distribution Circuit (2 of 7)
- 43: Power Distribution Circuit (3 of 7)
- 44: Power Distribution Circuit (4 of 7)
- 45: Power Distribution Circuit (5 of 7)
- 46: Power Distribution Circuit (6 of 7)
- 47: Power Distribution Circuit (7 of 7)
- 48: Power Door Locks Circuit
- 49: Automatic Day/Night Mirror Circuit
- 50: Power Mirrors Circuit
- 51: 8-Way Adjustable Power Seat Circuit
- 52: Driver Heated Seat Circuit
- 53: Lumbar Circuit
- 54: Passenger"s Heated Seat Circuit
- 55: Power Top/Sunroof Circuit
- 56: Power Windows Circuit
- 57: Base Radio Circuit, W/ Rear Seat Audio (1 of 2)
- 58: Base Radio Circuit, W/ Rear Seat Audio (2 of 2)
- 59: Base Radio Circuit, W/O Rear Seat Audio
- 60: DVD Player/Voice Recorder Circuit
- 61: Mid-Line Radio Circuit, W/ Rear Seat Audio (1 of 2)
- 62: Mid-Line Radio Circuit, W/ Rear Seat Audio (2 of 2)
- 63: Mid-Line Radio Circuit, W/O Rear Seat Audio (1 of 2)
- 64: Mid-Line Radio Circuit, W/O Rear Seat Audio (2 of 2)
- 65: Premium Sound Radio Circuit (1 of 2)
- 66: Premium Sound Radio Circuit (2 of 2)
- 67: Ignition Lock Solenoid Circuit
- 68: Shift Interlock Circuit
- 69: Charging Circuit
- 70: Starting Circuit
- 71: Supplemental Restraints Circuit
- 72: Transfer Case Circuit, 2 Speed
- 73: Transfer Case Circuit, Single Speed
- 74: 4.2L VIN S, A/T Circuit
- 75: Warning Systems Circuit
- 76: Front Wiper/Washer Circuit
- 77: Headlamp Washer Circuit
- 78: Rear Wiper/Washer Circuit

2005 GMC Envoy
- 1: Automatic A/C Circuit, Short Wheel Base (1 of 2)
- 2: Automatic A/C Circuit, Short Wheel Base (2 of 2)
- 3: Compressor Circuit
- 4: Manual A/C Circuit, Short Wheel Base (1 of 2)
- 5: Manual A/C Circuit, Short Wheel Base (2 of 2)
- 6: Anti-lock Brakes Circuit, W/ Traction Control
- 7: Anti-lock Brakes Circuit, W/O Traction Control
- 8: Forced Entry Circuit
- 9: Passlock Circuit
- 10: Body Control Modules Circuit
- 11: Computer Data Lines Circuit
- 12: Cooling Fan Circuit
- 13: 4.2L VIN S, Cruise Control Circuit
- 14: 5.3L VIN M, Cruise Control Circuit
- 15: Defoggers Circuit
- 16: Electronic Suspension Circuit
- 17: 4.2L VIN S, Engine Performance Circuit (1 of 5)
- 18: 4.2L VIN S, Engine Performance Circuit (2 of 5)
- 19: 4.2L VIN S, Engine Performance Circuit (3 of 5)
- 20: 4.2L VIN S, Engine Performance Circuit (4 of 5)
- 21: 4.2L VIN S, Engine Performance Circuit (5 of 5)
- 22: 5.3L VIN M, Engine Performance Circuit (1 of 5)
- 23: 5.3L VIN M, Engine Performance Circuit (2 of 5)
- 24: 5.3L VIN M, Engine Performance Circuit (3 of 5)
- 25: 5.3L VIN M, Engine Performance Circuit (4 of 5)
- 26: 5.3L VIN M, Engine Performance Circuit (5 of 5)
- 27: Back-up Lamps Circuit
- 28: Exterior Lamps Circuit (1 of 2)
- 29: Exterior Lamps Circuit (2 of 2)
- 30: Ground Distribution Circuit (1 of 6)
- 31: Ground Distribution Circuit (2 of 6)
- 32: Ground Distribution Circuit (3 of 6)
- 33: Ground Distribution Circuit (4 of 6)
- 34: Ground Distribution Circuit (5 of 6)
- 35: Ground Distribution Circuit (6 of 6)
- 36: Headlights Circuit
- 37: Horn Circuit
- 38: Instrument Cluster Circuit
- 39: Courtesy Lamps Circuit (1 of 2)
- 40: Courtesy Lamps Circuit (2 of 2)
- 41: Instrument Illumination Circuit (1 of 2)
- 42: Instrument Illumination Circuit (2 of 2)
- 43: Adjustable Pedal Circuit
- 44: Driver"s Memory Seat Circuit
- 45: Memory Mirrors Circuit
- 46: Power Distribution Circuit (1 of 6)
- 47: Power Distribution Circuit (2 of 6)
- 48: Power Distribution Circuit (3 of 6)
- 49: Power Distribution Circuit (4 of 6)
- 50: Power Distribution Circuit (5 of 6)
- 51: Power Distribution Circuit (6 of 6)
- 52: Power Door Locks Circuit
- 53: Automatic Day/Night Mirror Circuit
- 54: Power Mirrors Circuit
- 55: 8-Way Adjustable Power Seat Circuit
- 56: Driver Heated Seat Circuit
- 57: Lumbar Circuit
- 58: Passenger"s Heated Seat Circuit
- 59: Power Top/Sunroof Circuit
- 60: Power Windows Circuit
- 61: Base Radio Circuit, W/ Rear Seat Audio (1 of 2)
- 62: Base Radio Circuit, W/ Rear Seat Audio (2 of 2)
- 63: Base Radio Circuit, W/O Rear Seat Audio
- 64: DVD Player Circuit
- 65: Premium Sound Radio Circuit, W/ Rear Seat Audio (1 of 2)
- 66: Premium Sound Radio Circuit, W/ Rear Seat Audio (2 of 2)
- 67: Premium Sound Radio Circuit, W/O Rear Seat Audio (1 of 2)
- 68: Premium Sound Radio Circuit, W/O Rear Seat Audio (2 of 2)
- 69: Ignition Lock Solenoid Circuit
- 70: Shift Interlock Circuit
- 71: Charging Circuit
- 72: Starting Circuit
- 73: Supplemental Restraints Circuit (1 of 2)
- 74: Supplemental Restraints Circuit (2 of 2)
- 75: Transfer Case Circuit, 2 Speed
- 76: Transfer Case Circuit, Single Speed
- 77: 4.2L VIN S, A/T Circuit
- 78: 5.3L VIN M, A/T Circuit (1 of 2)
- 79: 5.3L VIN M, A/T Circuit (2 of 2)
- 80: Warning Systems Circuit
- 81: Front Wiper/Washer Circuit
- 82: Headlamp Washer Circuit
- 83: Rear Wiper/Washer Circuit

2006 GMC Envoy
- 1: Automatic A/C Circuit (1 of 2)
- 2: Automatic A/C Circuit (2 of 2)
- 3: Compressor Circuit
- 4: Manual A/C Circuit (1 of 2)
- 5: Manual A/C Circuit (2 of 2)
- 6: Anti-lock Brakes Circuit (1 of 2)
- 7: Anti-lock Brakes Circuit (2 of 2)
- 8: Forced Entry Circuit
- 9: Passlock Circuit
- 10: Body Control Modules Circuit
- 11: Computer Data Lines Circuit
- 12: Cooling Fan Circuit
- 13: 4.2L VIN S, Cruise Control Circuit
- 14: 5.3L VIN M, Cruise Control Circuit
- 15: Defoggers Circuit
- 16: Electronic Suspension Circuit
- 17: 4.2L VIN S, Engine Performance Circuit (1 of 7)
- 18: 4.2L VIN S, Engine Performance Circuit (2 of 7)
- 19: 4.2L VIN S, Engine Performance Circuit (3 of 7)
- 20: 4.2L VIN S, Engine Performance Circuit (4 of 7)
- 21: 4.2L VIN S, Engine Performance Circuit (5 of 7)
- 22: 4.2L VIN S, Engine Performance Circuit (6 of 7)
- 23: 4.2L VIN S, Engine Performance Circuit (7 of 7)
- 24: 5.3L VIN M, Engine Performance Circuit (1 of 5)
- 25: 5.3L VIN M, Engine Performance Circuit (2 of 5)
- 26: 5.3L VIN M, Engine Performance Circuit (3 of 5)
- 27: 5.3L VIN M, Engine Performance Circuit (4 of 5)
- 28: 5.3L VIN M, Engine Performance Circuit (5 of 5)
- 29: Back-up Lamps Circuit
- 30: Exterior Lamps Circuit (1 of 2)
- 31: Exterior Lamps Circuit (2 of 2)
- 32: Ground Distribution Circuit (1 of 6)
- 33: Ground Distribution Circuit (2 of 6)
- 34: Ground Distribution Circuit (3 of 6)
- 35: Ground Distribution Circuit (4 of 6)
- 36: Ground Distribution Circuit (5 of 6)
- 37: Ground Distribution Circuit (6 of 6)
- 38: Headlights Circuit
- 39: Horn Circuit
- 40: Instrument Cluster Circuit
- 41: Courtesy Lamps Circuit (1 of 2)
- 42: Courtesy Lamps Circuit (2 of 2)
- 43: Instrument Illumination Circuit (1 of 2)
- 44: Instrument Illumination Circuit (2 of 2)
- 45: Adjustable Pedal Circuit
- 46: Driver"s Memory Seat Circuit
- 47: Memory Mirrors Circuit
- 48: Navigation Circuit
- 49: Power Distribution Circuit (1 of 6)
- 50: Power Distribution Circuit (2 of 6)
- 51: Power Distribution Circuit (3 of 6)
- 52: Power Distribution Circuit (4 of 6)
- 53: Power Distribution Circuit (5 of 6)
- 54: Power Distribution Circuit (6 of 6)
- 55: Power Door Locks Circuit
- 56: Automatic Day/Night Mirror Circuit
- 57: Power Mirrors Circuit
- 58: 8-Way Adjustable Power Seat Circuit
- 59: Driver Heated Seat Circuit
- 60: Lumbar Circuit
- 61: Passenger"s Heated Seat Circuit
- 62: Power Top/Sunroof Circuit
- 63: Power Windows Circuit
- 64: Rear Quarter Windows Circuit
- 65: Base Radio Circuit, W/ Rear Seat Audio (1 of 2)
- 66: Base Radio Circuit, W/ Rear Seat Audio (2 of 2)
- 67: Base Radio Circuit, W/O Rear Seat Audio
- 68: DVD Player Circuit
- 69: Premium Sound Radio Circuit, W/ Rear Seat Audio (1 of 3)
- 70: Premium Sound Radio Circuit, W/ Rear Seat Audio (2 of 2)
- 71: Premium Sound Radio Circuit, W/ Rear Seat Audio (3 of 2)
- 72: Premium Sound Radio Circuit, W/O Rear Seat Audio (1 of 2)
- 73: Premium Sound Radio Circuit, W/O Rear Seat Audio (2 of 2)
- 74: Ignition Lock Solenoid Circuit
- 75: Shift Interlock Circuit
- 76: Charging Circuit
- 77: Starting Circuit
- 78: Supplemental Restraints Circuit (1 of 2)
- 79: Supplemental Restraints Circuit (2 of 2)
- 80: Transfer Case Circuit, 2 Speed
- 81: Transfer Case Circuit, Single Speed
- 82: 4.2L VIN S, A/T Circuit
- 83: 5.3L VIN M, A/T Circuit (1 of 2)
- 84: 5.3L VIN M, A/T Circuit (2 of 2)
- 85: Liftgate Release Circuit
- 86: Warning Systems Circuit
- 87: Front Wiper/Washer Circuit
- 88: Headlamp Washer Circuit
- 89: Rear Wiper/Washer Circuit

2007 GMC Envoy
- 1: Automatic A/C Circuit (1 of 2)
- 2: Automatic A/C Circuit (2 of 2)
- 3: Compressor Circuit
- 4: Manual A/C Circuit (1 of 2)
- 5: Manual A/C Circuit (2 of 2)
- 6: Anti-lock Brakes Circuit (1 of 2)
- 7: Anti-lock Brakes Circuit (2 of 2)
- 8: Forced Entry Circuit
- 9: Passlock Circuit
- 10: Body Control Modules Circuit
- 11: Computer Data Lines Circuit
- 12: Cooling Fan Circuit
- 13: 4.2L VIN S, Cruise Control Circuit
- 14: 5.3L VIN M, Cruise Control Circuit
- 15: Defoggers Circuit
- 16: Electronic Suspension Circuit
- 17: 4.2L VIN S, Engine Performance Circuit (1 of 7)
- 18: 4.2L VIN S, Engine Performance Circuit (2 of 7)
- 19: 4.2L VIN S, Engine Performance Circuit (3 of 7)
- 20: 4.2L VIN S, Engine Performance Circuit (4 of 7)
- 21: 4.2L VIN S, Engine Performance Circuit (5 of 7)
- 22: 4.2L VIN S, Engine Performance Circuit (6 of 7)
- 23: 4.2L VIN S, Engine Performance Circuit (7 of 7)
- 24: 5.3L VIN M, Engine Performance Circuit (1 of 5)
- 25: 5.3L VIN M, Engine Performance Circuit (2 of 5)
- 26: 5.3L VIN M, Engine Performance Circuit (3 of 5)
- 27: 5.3L VIN M, Engine Performance Circuit (4 of 5)
- 28: 5.3L VIN M, Engine Performance Circuit (5 of 5)
- 29: Back-up Lamps Circuit
- 30: Exterior Lamps Circuit (1 of 2)
- 31: Exterior Lamps Circuit (2 of 2)
- 32: Ground Distribution Circuit (1 of 4)
- 33: Ground Distribution Circuit (2 of 4)
- 34: Ground Distribution Circuit (3 of 4)
- 35: Ground Distribution Circuit (4 of 4)
- 36: Headlights Circuit (1 of 2)
- 37: Headlights Circuit (2 of 2)
- 38: Horn Circuit
- 39: Instrument Cluster Circuit
- 40: Courtesy Lamps Circuit
- 41: Instrument Illumination Circuit
- 42: Adjustable Pedal Circuit
- 43: Driver"s Memory Seat Circuit
- 44: Memory Mirrors Circuit
- 45: Navigation Circuit
- 46: Power Distribution Circuit (1 of 6)
- 47: Power Distribution Circuit (2 of 6)
- 48: Power Distribution Circuit (3 of 6)
- 49: Power Distribution Circuit (4 of 6)
- 50: Power Distribution Circuit (5 of 6)
- 51: Power Distribution Circuit (6 of 6)
- 52: Power Door Locks Circuit
- 53: Automatic Day/Night Mirror Circuit
- 54: Power Mirrors Circuit
- 55: 8-Way Adjustable Power Seat Circuit
- 56: Driver Heated Seat Circuit
- 57: Lumbar Circuit
- 58: Passenger"s Heated Seat Circuit
- 59: Power Top/Sunroof Circuit
- 60: Power Windows Circuit
- 61: Base Radio Circuit, W/ Rear Seat Audio (1 of 2)
- 62: Base Radio Circuit, W/ Rear Seat Audio (2 of 2)
- 63: Base Radio Circuit, W/O Rear Seat Audio
- 64: DVD Player Circuit
- 65: Premium Sound Radio Circuit, W/ Rear Seat Audio (1 of 2)
- 66: Premium Sound Radio Circuit, W/ Rear Seat Audio (2 of 2)
- 67: Premium Sound Radio Circuit, W/O Rear Seat Audio (1 of 2)
- 68: Premium Sound Radio Circuit, W/O Rear Seat Audio (2 of 2)
- 69: Ignition Lock Solenoid Circuit
- 70: Shift Interlock Circuit
- 71: Charging Circuit
- 72: Starting Circuit
- 73: Supplemental Restraints Circuit (1 of 2)
- 74: Supplemental Restraints Circuit (2 of 2)
- 75: Transfer Case Circuit, 2 Speed
- 76: Transfer Case Circuit, Single Speed
- 77: 4.2L VIN S, A/T Circuit
- 78: 5.3L VIN M, A/T Circuit (1 of 2)
- 79: 5.3L VIN M, A/T Circuit (2 of 2)
- 80: Liftgate Release Circuit
- 81: Warning Systems Circuit
- 82: Front Wiper/Washer Circuit
- 83: Headlamp Washer Circuit
- 84: Rear Wiper/Washer Circuit

2008 GMC Envoy
- 1: Automatic A/C Circuit (1 of 2)
- 2: Automatic A/C Circuit (2 of 2)
- 3: Compressor Circuit
- 4: Manual A/C Circuit (1 of 2)
- 5: Manual A/C Circuit (2 of 2)
- 6: Anti-lock Brakes Circuit (1 of 2)
- 7: Anti-lock Brakes Circuit (2 of 2)
- 8: Forced Entry Circuit
- 9: Passlock Circuit
- 10: Body Control Modules Circuit
- 11: Computer Data Lines Circuit
- 12: 4.2L VIN S, Cruise Control Circuit
- 13: 5.3L VIN M, Cruise Control Circuit
- 14: Defoggers Circuit
- 15: Electronic Suspension Circuit
- 16: 4.2L VIN S, Engine Performance Circuit (1 of 5)
- 17: 4.2L VIN S, Engine Performance Circuit (2 of 5)
- 18: 4.2L VIN S, Engine Performance Circuit (3 of 5)
- 19: 4.2L VIN S, Engine Performance Circuit (4 of 5)
- 20: 4.2L VIN S, Engine Performance Circuit (5 of 5)
- 21: 5.3L VIN M, Engine Performance Circuit (1 of 5)
- 22: 5.3L VIN M, Engine Performance Circuit (2 of 5)
- 23: 5.3L VIN M, Engine Performance Circuit (3 of 5)
- 24: 5.3L VIN M, Engine Performance Circuit (4 of 5)
- 25: 5.3L VIN M, Engine Performance Circuit (5 of 5)
- 26: Backup Lamps Circuit
- 27: Exterior Lamps Circuit (1 of 2)
- 28: Exterior Lamps Circuit (2 of 2)
- 29: Ground Distribution Circuit (1 of 4)
- 30: Ground Distribution Circuit (2 of 4)
- 31: Ground Distribution Circuit (3 of 4)
- 32: Ground Distribution Circuit (4 of 4)
- 33: Headlights Circuit
- 34: Horn Circuit
- 35: Instrument Cluster Circuit
- 36: Courtesy Lamps Circuit
- 37: Instrument Illumination Circuit
- 38: Adjustable Pedal Circuit
- 39: Driver"s Memory Seat Circuit
- 40: Memory Mirrors Circuit
- 41: Navigation Circuit
- 42: Power Distribution Circuit (1 of 5)
- 43: Power Distribution Circuit (2 of 5)
- 44: Power Distribution Circuit (3 of 5)
- 45: Power Distribution Circuit (4 of 5)
- 46: Power Distribution Circuit (5 of 5)
- 47: Power Door Locks Circuit
- 48: Automatic Day/Night Mirror Circuit
- 49: Power Mirrors Circuit
- 50: 8-Way Adjustable Power Seat Circuit
- 51: Driver Heated Seat Circuit
- 52: Lumbar Circuit
- 53: Passenger"s Heated Seat Circuit
- 54: Power Top/Sunroof Circuit
- 55: Power Windows Circuit
- 56: Base Radio Circuit, W/ Rear Seat Audio (1 of 2)
- 57: Base Radio Circuit, W/ Rear Seat Audio (2 of 2)
- 58: Base Radio Circuit, W/O Rear Seat Audio
- 59: DVD Player Circuit
- 60: Premium Sound Radio Circuit, W/ Rear Seat Audio (1 of 2)
- 61: Premium Sound Radio Circuit, W/ Rear Seat Audio (2 of 2)
- 62: Premium Sound Radio Circuit, W/O Rear Seat Audio (1 of 2)
- 63: Premium Sound Radio Circuit, W/O Rear Seat Audio (2 of 2)
- 64: Ignition Lock Solenoid Circuit
- 65: Shift Interlock Circuit
- 66: Charging Circuit
- 67: Starting Circuit
- 68: Supplemental Restraints Circuit (1 of 2)
- 69: Supplemental Restraints Circuit (2 of 2)
- 70: A/T Circuit (1 of 2)
- 71: A/T Circuit (2 of 2)
- 72: Transfer Case Circuit
- 73: Liftgate Release Circuit
- 74: Warning Systems Circuit
- 75: Front Wiper/Washer Circuit
- 76: Headlamp Washer Circuit
- 77: Rear Wiper/Washer Circuit

2009 GMC Envoy
- 1: Automatic A/C Circuit (1 of 2)
- 2: Automatic A/C Circuit (2 of 2)
- 3: Compressor Circuit
- 4: Manual A/C Circuit (1 of 2)
- 5: Manual A/C Circuit (2 of 2)
- 6: Anti-lock Brakes Circuit (1 of 2)
- 7: Anti-lock Brakes Circuit (2 of 2)
- 8: Forced Entry Circuit
- 9: Passlock Circuit
- 10: Body Control Modules Circuit
- 11: Computer Data Lines Circuit
- 12: Cruise Control Circuit
- 13: Defoggers Circuit
- 14: Electronic Suspension Circuit
- 15: 4.2L VIN S, Engine Performance Circuit (1 of 5)
- 16: 4.2L VIN S, Engine Performance Circuit (2 of 5)
- 17: 4.2L VIN S, Engine Performance Circuit (3 of 5)
- 18: 4.2L VIN S, Engine Performance Circuit (4 of 5)
- 19: 4.2L VIN S, Engine Performance Circuit (5 of 5)
- 20: 5.3L VIN M, Engine Performance Circuit (1 of 5)
- 21: 5.3L VIN M, Engine Performance Circuit (2 of 5)
- 22: 5.3L VIN M, Engine Performance Circuit (3 of 5)
- 23: 5.3L VIN M, Engine Performance Circuit (4 of 5)
- 24: 5.3L VIN M, Engine Performance Circuit (5 of 5)
- 25: Backup Lamps Circuit
- 26: Exterior Lamps Circuit (1 of 2)
- 27: Exterior Lamps Circuit (2 of 2)
- 28: Ground Distribution Circuit (1 of 4)
- 29: Ground Distribution Circuit (2 of 4)
- 30: Ground Distribution Circuit (3 of 4)
- 31: Ground Distribution Circuit (4 of 4)
- 32: Headlights Circuit
- 33: Horn Circuit
- 34: Instrument Cluster Circuit
- 35: Courtesy Lamps Circuit
- 36: Instrument Illumination Circuit
- 37: Adjustable Pedal Circuit
- 38: Driver"s Memory Seat Circuit
- 39: Memory Mirrors Circuit
- 40: Navigation Circuit
- 41: Power Distribution Circuit (1 of 5)
- 42: Power Distribution Circuit (2 of 5)
- 43: Power Distribution Circuit (3 of 5)
- 44: Power Distribution Circuit (4 of 5)
- 45: Power Distribution Circuit (5 of 5)
- 46: Power Door Locks Circuit
- 47: Automatic Day/Night Mirror Circuit
- 48: Power Mirrors Circuit
- 49: 8-Way Adjustable Power Seat Circuit
- 50: Driver Heated Seat Circuit
- 51: Lumbar Circuit
- 52: Passenger"s Heated Seat Circuit
- 53: Power Top/Sunroof Circuit
- 54: Power Windows Circuit
- 55: Base Radio Circuit, W/ Rear Seat Audio (1 of 2)
- 56: Base Radio Circuit, W/ Rear Seat Audio (2 of 2)
- 57: Base Radio Circuit, W/O Rear Seat Audio
- 58: DVD Player Circuit
- 59: Premium Radio Circuit (1 of 2)
- 60: Premium Radio Circuit (2 of 2)
- 61: Ignition Lock Solenoid Circuit
- 62: Shift Interlock Circuit
- 63: Charging Circuit
- 64: Starting Circuit
- 65: Supplemental Restraints Circuit (1 of 2)
- 66: Supplemental Restraints Circuit (2 of 2)
- 67: A/T Circuit (1 of 2)
- 68: A/T Circuit (2 of 2)
- 69: Transfer Case Circuit
- 70: Liftgate Release Circuit
- 71: Warning Systems Circuit
- 72: Front Wiper/Washer Circuit
- 73: Headlamp Washer Circuit
- 74: Rear Wiper/Washer Circuit