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2007
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Sierra Classic 1500 HD, RWD
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Repair and Diagnosis
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Electrical
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Component Locations
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Electrical Component Locator
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Component Location Graphics
Component Location Graphics
NOTE:
Figures may show multiple component locations. Refer to appropriate table for proper figure references.
Fig 1: Lower Right Side Of Engine (4.3L, 4.8L, 5.3L & 6.0L)
Courtesy of GENERAL MOTORS CORP.
Fig 2: Rear Of Engine (4.3L)
Courtesy of GENERAL MOTORS CORP.
Fig 3: Engine Compartment (Hybrid)
Courtesy of GENERAL MOTORS CORP.
Fig 4: Left Front Of Engine (Hybrid)
Courtesy of GENERAL MOTORS CORP.
Fig 5: Right Side Of Instrument Panel
Courtesy of GENERAL MOTORS CORP.
Fig 6: Top Left Side Of Dash
Courtesy of GENERAL MOTORS CORP.
Fig 7: Left Front Body Mount
Courtesy of GENERAL MOTORS CORP.
Fig 8: Top Of Fuel Tank (10 Series)
Courtesy of GENERAL MOTORS CORP.
Fig 9: Left Frame Rail
Courtesy of GENERAL MOTORS CORP.
Fig 10: Left "B" Pillar
Courtesy of GENERAL MOTORS CORP.
Fig 11: Energy Storage Box Components (Hybrid)
Courtesy of GENERAL MOTORS CORP.
Fig 12: Top Rear Of Frame
Courtesy of GENERAL MOTORS CORP.
Fig 13: Right Rear Of Frame
Courtesy of GENERAL MOTORS CORP.
Fig 14: Underhood Fuse Block
Courtesy of GENERAL MOTORS CORP.
Fig 15: Underhood Fuse Block (Secondary)
Courtesy of GENERAL MOTORS CORP.
Fig 16: Instrument Panel Fuse Block (Bottom View)
Courtesy of GENERAL MOTORS CORP.
Fig 17: Relay Block
Courtesy of GENERAL MOTORS CORP.
Fig 18: Right Rear Of Engine Compartment
Courtesy of GENERAL MOTORS CORP.
Fig 19: A/C Compressor & Hoses (4.3L)
Courtesy of GENERAL MOTORS CORP.
Fig 20: Right Side Of Grille
Courtesy of GENERAL MOTORS CORP.
Fig 21: HVAC Control Module
Courtesy of GENERAL MOTORS CORP.
Fig 22: HVAC Module Assembly
Courtesy of GENERAL MOTORS CORP.
Fig 23: HVAC Module Assembly (Bottom)
Courtesy of GENERAL MOTORS CORP.
Fig 24: Air Temperature Sensors
Courtesy of GENERAL MOTORS CORP.
Fig 25: Air Temperature Sensor (Lower Left)
Courtesy of GENERAL MOTORS CORP.
Fig 26: Air Temperature Sensor (Lower Right)
Courtesy of GENERAL MOTORS CORP.
Fig 27: Sunload Sensor Assembly
Courtesy of GENERAL MOTORS CORP.
Fig 28: Steering Column
Courtesy of GENERAL MOTORS CORP.
Fig 29: Transfer Case (NVG 261)
Courtesy of GENERAL MOTORS CORP.
Fig 30: Front Drive Axle (2500 Series)
Courtesy of GENERAL MOTORS CORP.
Fig 31: Front Drive Axle (1500 Series)
Courtesy of GENERAL MOTORS CORP.
Fig 32: Transfer Case Shift Control Module
Courtesy of GENERAL MOTORS CORP.
Fig 33: Transfer Case (NVG 246-NP8)
Courtesy of GENERAL MOTORS CORP.
Fig 34: Front Drive Axle Harness
Courtesy of GENERAL MOTORS CORP.
Fig 35: Transfer Case (NVG 263-NP1)
Courtesy of GENERAL MOTORS CORP.
Fig 36: Stop Lamp Switch
Courtesy of GENERAL MOTORS CORP.
Fig 37: Brake Fluid Level Switch
Courtesy of GENERAL MOTORS CORP.
Fig 38: Supplemental Brake Assist Pump
Courtesy of GENERAL MOTORS CORP.
Fig 39: Wheel Speed Sensor (Right Front) (2WD)
Courtesy of GENERAL MOTORS CORP.
Fig 40: Wheel Speed Sensor (Right Front) (4WD)
Courtesy of GENERAL MOTORS CORP.
Fig 41: Right Front Of Engine (4.3L)
Courtesy of GENERAL MOTORS CORP.
Fig 42: Generators (6.6L)
Courtesy of GENERAL MOTORS CORP.
Fig 43: Left Side Of Engine (4.8L, 5.3L & 6.0L)
Courtesy of GENERAL MOTORS CORP.
Fig 44: Top Rear Of Engine (4.8L, 5.3L & 6.0L)
Courtesy of GENERAL MOTORS CORP.
Fig 45: Knock Sensors (4.8L, 5.3L & 6.0L)
Courtesy of GENERAL MOTORS CORP.
Fig 46: Throttle Actuator Control (TAC) Module
Courtesy of GENERAL MOTORS CORP.
Fig 47: Heated Oxygen (HO2S) Sensors (4.8L & 5.3L)
Courtesy of GENERAL MOTORS CORP.
Fig 48: Heated Oxygen (HO2S) Sensors (6.0L & 8.1L)
Courtesy of GENERAL MOTORS CORP.
Fig 49: Powertrain Control Module (PCM) (4.3L, 4.8L, 5.3L & 6.0L)
Courtesy of GENERAL MOTORS CORP.
Fig 50: Right Front Side Of Engine Compartment (6.6L)
Courtesy of GENERAL MOTORS CORP.
Fig 51: ECT Sensor (6.6L)
Courtesy of GENERAL MOTORS CORP.
Fig 52: Fuel Pump (6.6L) (LB7)
Courtesy of GENERAL MOTORS CORP.
Fig 53: Left Front Of Engine Compartment (6.6L)
Courtesy of GENERAL MOTORS CORP.
Fig 54: Water In Fuel Sensor (6.6L)
Courtesy of GENERAL MOTORS CORP.
Fig 55: Fuel Pump Relay-Secondary (8.1L)
Courtesy of GENERAL MOTORS CORP.
Fig 56: Left Side Of Engine (8.1L)
Courtesy of GENERAL MOTORS CORP.
Fig 57: Accelerator Pedal Position (APP) Sensor
Courtesy of GENERAL MOTORS CORP.
Fig 58: Manual Transmission (NV 3500)
Courtesy of GENERAL MOTORS CORP.
Fig 59: Clutch Start Switch
Courtesy of GENERAL MOTORS CORP.
Fig 60: Manual Transmission (NV 4500)
Courtesy of GENERAL MOTORS CORP.
Fig 61: Manual Transmission (ZF S6-650)
Courtesy of GENERAL MOTORS CORP.
Fig 62: Lower Steering Column
Courtesy of GENERAL MOTORS CORP.
Fig 63: Transmission Components (4L60-E)
Courtesy of GENERAL MOTORS CORP.
Fig 64: Below Right Front Seat
Courtesy of GENERAL MOTORS CORP.
Fig 65: Radiator Support
Courtesy of GENERAL MOTORS CORP.
Fig 66: Overhead Console
Courtesy of GENERAL MOTORS CORP.
Fig 67: Left Side Of Engine Compartment
Courtesy of GENERAL MOTORS CORP.
Fig 68: Behind Right Side Of Dash
Courtesy of GENERAL MOTORS CORP.
Fig 69: Power Take-Off Relay
Courtesy of GENERAL MOTORS CORP.
Fig 70: Upper Steering Column
Courtesy of GENERAL MOTORS CORP.
Fig 71: Body Control Module
Courtesy of GENERAL MOTORS CORP.
Fig 72: Lower Left Dash
Courtesy of GENERAL MOTORS CORP.
Fig 73: Left Kick Panel
Courtesy of GENERAL MOTORS CORP.
Fig 74: Driver Door
Courtesy of GENERAL MOTORS CORP.
Fig 75: Right Front Door
Courtesy of GENERAL MOTORS CORP.
Fig 76: Left Rear Door
Courtesy of GENERAL MOTORS CORP.
Fig 77: Right Rear Door
Courtesy of GENERAL MOTORS CORP.
Fig 78: Radiator Support
Courtesy of GENERAL MOTORS CORP.
Fig 79: Top Of Dash
Courtesy of GENERAL MOTORS CORP.
Fig 80: Trailer Wiring
Courtesy of GENERAL MOTORS CORP.
Fig 81: Bottom Of Driver Seat
Courtesy of GENERAL MOTORS CORP.
Fig 82: Side Of Driver Seat
Courtesy of GENERAL MOTORS CORP.
Fig 83: Bottom Of Right Front Seat
Courtesy of GENERAL MOTORS CORP.
Fig 84: Side Of Right Front Seat
Courtesy of GENERAL MOTORS CORP.
Fig 85: Front Of Vehicle
Courtesy of GENERAL MOTORS CORP.
Fig 86: Left Rear Of Engine Compartment (9L4)
Courtesy of GENERAL MOTORS CORP.
Fig 87: Left Rear Of Engine Compartment (5Y0)
Courtesy of GENERAL MOTORS CORP.
Fig 88: Below Underhood Fuse Block
Courtesy of GENERAL MOTORS CORP.
Fig 89: Engine Harness (4.3L) (1 Of 2)
Courtesy of GENERAL MOTORS CORP.
Fig 90: Engine Harness (4.3L) (2 Of 2)
Courtesy of GENERAL MOTORS CORP.
Fig 91: Left Side Of Engine (4.8L, 5.3L & 6.0L)
Courtesy of GENERAL MOTORS CORP.
Fig 92: Left Side Of Engine (6.6L)
Courtesy of GENERAL MOTORS CORP.
Fig 93: Right Side Of Engine (6.6L)
Courtesy of GENERAL MOTORS CORP.
Fig 94: Left Side Of Engine (8.1L) (1 Of 2)
Courtesy of GENERAL MOTORS CORP.
Fig 95: Left Side Of Engine (8.1L) (2 Of 2)
Courtesy of GENERAL MOTORS CORP.
Fig 96: Right Side Of Engine (8.1L)
Courtesy of GENERAL MOTORS CORP.
Fig 97: SEO Harness Routing (1 Of 2)
Courtesy of GENERAL MOTORS CORP.
Fig 98: SEO Harness Routing (2 Of 2)
Courtesy of GENERAL MOTORS CORP.
Fig 99: Dash (1 Of 2)
Courtesy of GENERAL MOTORS CORP.
Fig 100: Dash (2 Of 2)
Courtesy of GENERAL MOTORS CORP.
Fig 101: Energy Storage Box, 42V Harness And Accessory Power Harness (Hybrid)
Courtesy of GENERAL MOTORS CORP.
Fig 102: Left Front Of Engine (4.3L)
Courtesy of GENERAL MOTORS CORP.
Fig 103: Left Front Of Engine Compartment (8.1L)
Courtesy of GENERAL MOTORS CORP.
Fig 104: Transmission Control Module (Allison)
Courtesy of GENERAL MOTORS CORP.
Fig 105: Top Of Fuel Tanks (20/30 Series)
Courtesy of GENERAL MOTORS CORP.
Fig 106: Right Side Of Engine (8.1L)
Courtesy of GENERAL MOTORS CORP.
Fig 107: A/C Compressor & Hoses (4.8L, 5.3L, 6.0L & 8.1L)
Courtesy of GENERAL MOTORS CORP.
Fig 108: A/C Compressor & Hoses (6.6L)
Courtesy of GENERAL MOTORS CORP.
Fig 109: Top Of Engine (6.6L)
Courtesy of GENERAL MOTORS CORP.
Fig 110: Top Of Engine (4.8L, 5.3L & 6.0L)
Courtesy of GENERAL MOTORS CORP.
Fig 111: Right Side Of Engine (4.8L, 5.3L & 6.0L)
Courtesy of GENERAL MOTORS CORP.
Fig 112: Right Side Of Engine (4.8L, 5.3L & 6.0L)
Courtesy of GENERAL MOTORS CORP.