Contents Wiring diagrams Section: Electrical Component Locations All sections

Electrical Component Locator: Other Chevrolet Silverado 3500 HD

BUZZERS, RELAYS & TIMERS

ComponentLocation
A/C CMPRSR RelayIn underhood fuse block. (Схема №62)
Auxiliary Battery Relay (4)Rear of engine compartment. (Схема №80)
BCK/UP LAMP (PCB) RelayIntegral to underhood fuse block.
CAB HTR PUMP RelayIn Hybrid auxiliary fuse block. (Схема №118)
COOL PUMP RelayIn Hybrid auxiliary fuse block. (Схема №118)
DRL (PCB) RelayIntegral to underhood fuse block.
Emergency Vehicle Roof Lamp Relay (5)In roof console. (Схема №100)
ENG EXH VLV RelayIn underhood fuse block. (Схема №62)
FAN CNTRL RelayIn underhood fuse block. (Схема №62)
FAN CNTRL RelayIn Hybrid auxiliary fuse block. (Схема №118)
FAN HI RelayIn underhood fuse block. (Схема №62)
FAN HI RelayIn Hybrid auxiliary fuse block. (Схема №118)
FAN LO RelayIn underhood fuse block. (Схема №62)
FAN LO RelayIn Hybrid auxiliary fuse block. (Схема №118)
FAN MID 1 RelayIn Hybrid auxiliary fuse block. (Схема №118)
FAN MID 2 RelayIn Hybrid auxiliary fuse block. (Схема №118)
FAN RLY RelayIn underhood fuse block. (Схема №62)
FOG LAMP RelayIn underhood fuse block. (Схема №62)
FRT WASH (PCB) RelayIntegral to underhood fuse block.
FUEL PMP RelayIn underhood fuse block. (Схема №62)
Fuel Pump (FP) Relay (Secondary) (3)Left side of engine compartment. (Схема №103)
HDLP LO/HID RelayIn underhood fuse block. (Схема №62)
HI BEAM (PCB) RelayIntegral to underhood fuse block.
HORN (PCB) RelayIntegral to underhood fuse block.
Integrated Trailer Brake Controller Solid State RelayOn rear of left frame rail. (Схема №44)
L/GATE (PCB) RelayIntegral to underhood fuse block.
LOCK (PCB) RelayIntegral to underhood fuse block.
Lock (PCB) Relay (AU3 Except AN3/DL3)Integral to I/P fuse block.
LOCK/UNLOCK (PCB) RelayIntegral to underhood fuse block.
Lock/Unlock (PCB) Relay (Crew Cab With AN3)Integral to I/P fuse block.
PRK LAMP RelayIn underhood fuse block. (Схема №62)
PWR/TRN RelayIn underhood fuse block. (Схема №62)
REAR DEFOG RelayIn underhood fuse block. (Схема №62)
REAR WASH (PCB) RelayIntegral to underhood fuse block.
Roof Beacon Relay (11)In overhead console. (Схема №99)
RUN/CRNK RelayIn underhood fuse block. (Схема №62)
Run Relay (2)Right rear of engine compartment. (Схема №80)
STRTR RelayIn underhood fuse block. (Схема №62)
Trailer Brake Controller Solid State Relay (20/30 Series) (3)Left rear frame rail. (Схема №107)
Trailer Brake Controller Solid State Relay (31 Series) (1)On left frame rail. (Схема №108)
TRLR LT STOP/TURN (PCB) RelayIntegral to underhood fuse block.
TRLR RT STOP/TURN (PCB) RelayIntegral to underhood fuse block.
UNLOCK (PCB) RelayIntegral to underhood fuse block.
Unlock (PCB) Relay (AU3 Except AN3/DL3)Integral to I/P fuse block.
WIPER CONTROL (PCB) RelayIntegral to underhood fuse block.
WIPER SPEED (PCB) RelayIntegral to underhood fuse block.

BUZZERS, RELAYS & TIMERS LOCATION

CIRCUIT PROTECTION DEVICES

ComponentLocation
Fuse Block - AuxiliaryLeft side of engine compartment. (Схема №121)
Fuse Block (I/P)Left side of dash. (Схема №18)
Fuse Block (Mobile Radio) (1)Behind right side of dash. (Схема №112)
Fuse Block - Underhood (Except Hybrid) (4)Left side of engine compartment. (Схема №2)
Fuse Block - Underhood (Hybrid)Left side of engine compartment. (Схема №121)
Fuse Holder (Underhood) (Diesel) (2)Right side of firewall. (Схема №92)
Heated Steering Fuse Holder (3)On steering column. (Схема №113)
Junction Block (Left I/P)Lower left side of dash. (Схема №18)
Junction Block (Rear Lamps)Inside of left rear frame rail. (Схема №19)
Junction Block (Right I/P)In right end of dash. (Схема №49)
Mega Fuse (2)Right rear of engine compartment. (Схема №91)

CIRCUIT PROTECTION DEVICES LOCATION

CONTROL UNITS

ComponentLocation
Accessory DC Power Control ModuleRight rear of engine compartment. (Схема №122)
Automatic Transmission Auxiliary Fluid Pump Control ModuleLeft side of engine compartment. (Схема №123)
Blower Motor Control Module (CJ2)Lower right side of HVAC module. (Схема №31)
Blower Motor Control Module (C67)Lower right side of HVAC module. (Схема №32)
Body Control Module (BCM)Lower left side of dash. (Схема №18)
Central Sequential Fuel Injection (SFI) Module (1)Top rear of engine. (Схема №84)
Chime ModuleCenter of dash, behind radio.
Drive Motor Generator Battery Control ModuleUnder second row seats. (Схема №123)
Drive Motor Generator Power Inverter ModuleRight rear of engine compartment. (Схема №122)
Electronic Brake Control Module (EBCM)On left side of frame assembly. (Схема №5)
Electronic Power Steering Motor Control ModuleRight rear of engine compartment. (Схема №122)
Engine Control Module (ECM) (Except Hybrid) (5)Left front of engine compartment, near fan shroud. (Схема №2)
Engine Control Module (ECM) (Hybrid)Left front of engine compartment. (Схема №121)
Fuel System Control Module (FSCM)Under rear of vehicle. (Схема №24)
Glow Plug Control Module (GPCM) (Diesel)Top left rear of engine. (Схема №58)
Heated Steering Wheel Control Module (1)In steering wheel. (Схема №96)
Ignition Control Module (ICM) (4.3L) (5)Rear of engine. (Схема №84)
Inflatable Restraint Front Passenger Presence System (PPS) Module (7)Under front passenger seat. (Схема №38)
Inflatable Restraint Sensing & Diagnostic Module (SDM)Under driver's seat. (Схема №4)
Infrared Module (3)In headliner. (Схема №100)
Intake Air Heater (IAH) (Diesel)Left front of engine. (Схема №58)
Integrated Trailer Brake Controller (ITBC) ModuleOn rear of left frame rail. (Схема №44)
Memory Seat Module (10)Under front of driver's seat. (Схема №37)
Power Take Off (PTO) Module (PTO) (8)Outside of right front chassis frame. (Схема №87)
Rear Object Sensor Control ModuleAt rear cargo area, behind trim panel. (Схема №4)
Theft Deterrent Control ModuleOn right side of steering column. (Схема №3)
Throttle Actuator Control (TAC) Module (Diesel)Top right front of engine. (Схема №60)
Trailer Brake Controller Module (TBCM) (20/30 Series) (2)Left rear frame rail. (Схема №107)
Trailer Brake Controller Module (TBCM) (31 Series) (2)On left frame rail. (Схема №108)
Transfer Case Shift Control ModuleLower left side of dash. (Схема №18)
Transmission Control Module (Allison)Left front of engine compartment, near fan shroud. (Схема №11)
Transmission Control Module (M30/M70/MW7) (6)Left front of engine compartment, near fan shroud. (Схема №2)
Vehicle Communication Interface Module (VCIM) (5)Behind center of dash. (Схема №93)

CONTROL UNITS LOCATION

MOTORS

ComponentLocation
Air Temperature Actuator (C67)Top middle of HVAC module. (Схема №32)
Air Temperature Actuator (Left) (CJ2)Bottom left of HVAC module. (Схема №31)
Air Temperature Actuator (Right) (CJ2)Top middle of HVAC module. (Схема №31)
Automatic Transmission Auxiliary Fluid PumpUnder front of automatic transmission. (Схема №123)
Blower Motor (CJ2)Lower right side of HVAC module. (Схема №31)
Blower Motor (C67)Lower right side of HVAC module. (Схема №32)
Cooling Fan (Left)Left front of engine compartment. (Схема №26)
Cooling Fan (RightRight front of engine compartment. (Схема №26)
Door Latch Assembly (Driver/Passenger)In rear of respective front door.
Drive Motor With Generator Assembly - 1st PositionIn automatic transmission. (Схема №123)
Drive Motor With Generator Assembly - 2nd PositionIn automatic transmission. (Схема №123)
Electronic Adjustable Pedal AssemblyUnder left side of dash. (Схема №1)
Front Axle ActuatorOn front axle assembly. (Схема №46)
Fuel Pump (Diesel) (2)Between fuel tanks, on left frame rail. (Схема №104)
Fuel Pump & Sender Assembly - Front (Gas) (2)In front fuel tank. (Схема №103)
Fuel Pump & Sender Assembly (Primary)Inside fuel tank. (Схема №5)
Fuel Pump & Sender Assembly - Rear (Gas +LY6) (1)In rear fuel tank. (Схема №103)
Fuel Pump & Sender Assembly (Short Wheel Base)Inside fuel tank. (Схема №25)
Mode Actuator (CJ2)Left end of HVAC module. (Схема №31)
Mode Actuator (C67)Left end of HVAC module. (Схема №32)
Recirculation Actuator (CJ2)Top right side of HVAC module. (Схема №31)
Recirculation Actuator (C67)Top right side of HVAC module. (Схема №32)
Seat Adjuster Assembly (Driver) (12)On driver's seat track. (Схема №37)
Seat Adjuster Assembly (Passenger) (8)On passenger's seat track. (Схема №38)
Seat Lumbar Horizontal Motor (Driver) (5)In driver's seat back. (Схема №37)
Seat Lumbar Horizontal Motor (Passenger) (11)In passenger's seat back. (Схема №38)
Seat Lumbar Vertical Motor (Driver) (3)In driver's seat back. (Схема №37)
Seat Lumbar Vertical Motor (Passenger) (3)In passenger's seat back. (Схема №38)
Seat Recline Motor (Driver) (1)Lower right side of driver seat back. (Схема №37)
Seat Recline Motor (Passenger) (10)Lower right side of passenger's seat back. (Схема №38)
Sliding Rear Window MotorRight rear of passenger compartment. (Схема №29)
Starter (Diesel)Lower right rear side of engine. (Схема №60)
Starter (4.3L) (8)Lower right rear of engine. (Схема №83)
Starter (4.8L, 5.3L, 6.0L & 6.2L) (10)Lower right rear side of engine. (Схема №20)
Sunroof ModuleIn front of sunroof, above headliner.
Transfer Case Encoder Motor (NQH)On transfer case. (Схема №47)
Window Motor (Driver)Inside driver's door. (Схема №13)
Window Motor (Left Rear) (Crew Cab)In left rear door. (Схема №15)
Window Motor (Left Rear) (Extended Cab)In left rear door. (Схема №27)
Window Motor (Passenger)Inside passenger's door. (Схема №14)
Window Motor (Right Rear) (Crew Cab)In right rear door. (Схема №16)
Window Motor (Right Rear) (Extended Cab)In right rear door. (Схема №28)
Windshield Washer Fluid PumpBottom of washer fluid reservoir. (Схема №48)
Windshield Wiper Motor (Except Hybrid) (1)Under left side of windshield cowl. (Схема №2)
Windshield Wiper Motor (Hybrid)Under left side of windshield cowl. (Схема №121)

MOTORS LOCATION

SENDING UNITS & SENSORS

ComponentLocation
Accelerator Pedal Position (APP) SensorAbove accelerator pedal. (Схема №1)
A/C Refrigerant Pressure Sensor (Diesel)Near compressor, on A/C high pressure hose. (Схема №58)
A/C Refrigerant Pressure Sensor (Hybrid)Right rear of engine compartment. (Схема №122)
A/C Refrigerant Pressure Sensor (4.3L) (6)Near compressor, on A/C high pressure hose. (Схема №91)
A/C Refrigerant Pressure Sensor (4.8L, 5.3L, 6.0L & 6.2L) (4)Near compressor, on A/C high pressure hose. (Схема №23)
Air Temperature Sensor (Lower Left) (CJ2)Left side of HVAC module. (Схема №31)
Air Temperature Sensor (Lower Right) (CJ2)Lower left of HVAC module. (Схема №31)
Air Temperature Sensor (Upper Left) (CJ2) (1)Under upper left side of dash. (Схема №95)
Air Temperature Sensor (Upper Right ) (CJ2) (2)Under upper right side of dash. (Схема №95)
Ambient Air Temperature Sensor - HVAC (CJ2) (3)On left side of radiator support. (Схема №90)
Ambient Air Temperature Sensor (ISRVM)On radiator support. (Схема №35)
Ambient Light/Sunload Sensor Assembly (4)Top center of dash. (Схема №94)
Automatic Transmission Input Shaft Speed (AT ISS) Sensor (MW7) (4)Left side of transmission. (Схема №87)
Automatic Transmission Turbine Speed Sensor (MW7) (3)Left side of transmission. (Схема №87)
Battery Current Sensor (Hybrid)Left side of engine compartment. (Схема №121)
Battery Current Sensor (4.3L) (1)Right rear of engine compartment. (Схема №91)
Brake Booster Vacuum Sensor (7)Left rear of engine compartment. (Схема №2)
Brake Mastery Cylinder Piston Pressure SensorBottom of brake master cylinder. (Схема №121)
Brake Mastery Cylinder Pressure Sensor (7)Left rear of engine compartment. (Схема №2)
Camshaft Position (CMP) Sensor (Diesel)Front of engine, above crank pulley. (Схема №58)
Camshaft Position (CMP) Sensor (4.8L, 5.3L, 6.0L & 6.2L)Front of engine, above crank pulley. (Схема №22)
Crankshaft Position (CKP) Sensor (Diesel)Front of engine, right of crank pulley. (Схема №60)
Crankshaft Position (CKP) Sensor (4.3L) (6)Front of engine, right of crank pulley. (Схема №83)
Crankshaft Position (CKP) Sensor (4.8L, 5.3L, 6.0L & 6.2L) (8)Right rear of engine. (Схема №20)
DPF Differential Pressure Sensor (4)On frame crossmember. (Схема №105)
Engine Coolant Temperature (ECT) Sensor (Diesel)Top front center of engine. (Схема №58)
Engine Coolant Temperature (ECT) Sensor (4.3L) (8)Left side of engine. (Схема №81)
Engine Coolant Temperature (ECT) Sensor (4.8L, 5.3L, 6.0L & 6.2L)On top of engine. (Схема №22)
Engine Oil Pressure (EOP) Sensor (Diesel)Lower left rear of engine. (Схема №119)
Engine Oil Pressure (EOP) Sensor (4.3L) (4)Rear of engine. (Схема №84)
Engine Oil Pressure (EOP) Sensor (4.8L, 5.3L, 6.0L & 6.2L) (12)Top rear of engine. (Схема №20)
Exhaust Differential Sensor (4)On frame rail above catalytic converter. (Схема №105)
Exhaust Gas Recirculation (EGR) Temperature Sensor 1 (Diesel)Top right rear of engine.
Exhaust Gas Recirculation (EGR) Temperature Sensor 2 (Diesel)Top right front of engine.
Exhaust Gas Temperature (EGT) Sensor 1 (3)In exhaust, upstream of catalytic converter. (Схема №105)
Exhaust Gas Temperature (EGT) Sensor 2 (2)In exhaust, downstream of catalytic converter. (Схема №105)
Fuel Level Sensor - Primary (3)In front fuel tank. (Схема №104)
Fuel Level Sensor - Secondary (1)In rear fuel tank. (Схема №104)
Fuel Line Pressure Sensor (E85)Under left side of vehicle. (Схема №5)
Fuel Pump & Sender Assembly (Primary)Inside fuel tank. (Схема №5)
Fuel Rail Pressure (FRP) SensorTop left rear of engine. (Схема №119)
Fuel Rail Temperature Sensor (Diesel)Top left rear of engine. (Схема №58)
Fuel Tank Pressure (FTP) Sensor (E85)On fuel pump & sender assembly. (Схема №5)
Fuel Tank Pressure Sensor (Short Wheel Base)On fuel pump & sender assembly. (Схема №25)
Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 (4.3L) (6)Near left side of engine. (Схема №81)
Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 (4.8L, 5.3L, 6.0L & 6.2L) (1)Upstream of left catalytic converter. (Схема №86)
Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2 (4.3L) (5)Near left side of engine. (Схема №81)
Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2 (4.8L, 5.3L, 6.0L & 6.2L) (4)Downstream of left catalytic converter. (Схема №86)
Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1 (4.3L) (9)Near right side of engine. (Схема №83)
Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1 (4.8L, 5.3L, 6.0L & 6.2L) (2)Upstream of right catalytic converter. (Схема №86)
Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2 (4.3L) (10)Near right side of engine. (Схема №83)
Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2 (4.8L, 5.3L, 6.0L & 6.2L) (3)Downstream of right catalytic converter. (Схема №86)
Inflatable Restraint Front End Sensor (Left)On lower left radiator support. (Схема №42)
Inflatable Restraint Front End Sensor (Right)On lower right radiator support. (Схема №42)
Inflatable Restraint Front Passenger Presence System (PPS) Sensor (9)In front passenger's seat bottom. (Схема №38)
Inflatable Restraint Front Sensor (2)Behind center of front bumper. (Схема №89)
Inflatable Restraint Seat Position Sensor (SPS) (Left) (11)Right front corner of driver's seat track. (Схема №37)
Inflatable Restraint Side Impact Sensor (SIS) (Left Front)In driver's door. (Схема №13)
Inflatable Restraint Side Impact Sensor (SIS) (Left Rear) (Crew Cab)In left rear door. (Схема №15)
Inflatable Restraint Side Impact Sensor (SIS) (Left Rear) (Extended Cab)In left rear door. (Схема №27)
Inflatable Restraint Side Impact Sensor (SIS) (Right Front)In passenger's door. (Схема №14)
Inflatable Restraint Side Impact Sensor (SIS) (Right Rear) (Crew Cab)In right rear door. (Схема №16)
Inflatable Restraint Side Impact Sensor (SIS) (Right Rear) (Extended Cab)In right rear door. (Схема №28)
Inflatable Restraint Vehicle Rollover Sensor (ASF)Below center console. (Схема №4)
Input & Output Speed Sensor Assembly (2)In transmission, on control solenoid valve assembly. (Схема №88)
Input Speed Sensor (ISS) AssemblyIn transmission. (Схема №8)
Inside Air Temperature Sensor (Front) (CJ2)Left side of headliner. (Схема №12)
Intake Air Temperature (IAT) Sensor 2 (Diesel)On top center of engine. (Схема №58)
Knock Sensor (KS) 1 (4.3L) (7)Lower left side of engine. (Схема №81)
Knock Sensor (KS) 1 (4.8L, 5.3L, 6.0L & 6.2L)Lower left side of engine. (Схема №22)
Knock Sensor (KS) 2 (4.3L) (7)Lower right side of engine. (Схема №83)
Knock Sensor (KS) 2 (4.8L, 5.3L, 6.0L & 6.2L) (7)Lower right side of engine. (Схема №20)
Manifold Absolute Pressure (MAP) Sensor (Diesel)On top of intake manifold. (Схема №58)
Manifold Absolute Pressure (MAP) Sensor (4.3L) (2)Top rear of engine. (Схема №84)
Manifold Absolute Pressure (MAP) Sensor (4.8L, 5.3L, 6.0L & 6.2L) (4)On top of intake manifold. (Схема №20)
Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor (Hybrid)On air intake duct. (Схема №122)
Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor (4.3L) (2)Right front of engine. (Схема №83)
Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor (4.8L, 5.3L, 6.0L & 6.2L) (5)Right front of engine compartment. (Схема №23)
Mass Air Flow (MAF) SensorFront of engine. (Схема №60)
Object Sensor (Left Rear Corner)Left corner of rear bumper. (Схема №36)
Object Sensor (Left Rear Middle)Left side of rear bumper. (Схема №36)
Object Sensor (Right Rear Corner)Right corner of rear bumper. (Схема №36)
Object Sensor (Right Rear Middle)Right side of rear bumper. (Схема №36)
Outside Moisture Sensor (3)Near inside rearview mirror mount. (Схема №101)
Seat Lumbar Horizontal Motor Position Sensor (Driver) (6)In driver's seat back. (Схема №37)
Seat Lumbar Vertical Motor Position Sensor (Driver) (2)In driver's seat back. (Схема №37)
Seat Recline Position Sensor (Driver) (7)In driver's seat back. (Схема №37)
Steering Angle SensorOn steering column. (Схема №3)
Transfer Case 2/4 Wheel Drive Actuator Position SensorOn transfer case. (Схема №47)
Turbocharger Vane Position Sensor (Diesel)On left side of engine. (Схема №61)
Vehicle Speed Sensor (VSS) (MW7) (6)Rear of transmission. (Схема №87)
Vehicle Speed Sensor (VSS) (NQG)On transfer case tailshaft housing. (Схема №45)
Vehicle Speed Sensor (VSS) (NQH)On transfer case tailshaft housing. (Схема №47)
Vehicle Speed Sensor (VSS) (4L60-E)On transmission tailshaft housing. (Схема №8)
VSS SensorOn transfer case tailshaft housing. (Схема №10)
Water In Fuel Sensor (Diesel)Right side of engine. (Схема №60)
Wheel Speed Sensor (WSS) (Left Front)On left front steering knuckle. (Схема №6)
Wheel Speed Sensor (WSS) (Left Rear)On left rear brake backing plate. (Схема №7)
Wheel Speed Sensor (WSS) (Right Front)On right front steering knuckle. (Схема №6)
Wheel Speed Sensor (WSS) (Right Rear)On right rear brake backing plate. (Схема №7)
YAW Rate & Lateral Acceleration SensorUnder center console trim panel. (Схема №4)

SENDING UNITS & SENSORS LOCATION

SOLENOIDS & SOLENOID VALVES

ComponentLocation
A/C Compressor Clutch (Diesel)On front of A/C compressor. (Схема №58)
A/C Compressor Clutch (4.3L) (9)On front of A/C compressor. (Схема №81)
A/C Compressor Clutch (4.8L, 5.3L, 6.0L & 6.2L) (3)On front of A/C compressor. (Схема №23)
Camshaft Actuator Solenoid (6.0L/6.2L) (1)Front of engine. (Схема №85)
Evaporative Emission (EVAP) Canister Purge Solenoid Valve (4.3L) (1)Top left rear of engine. (Схема №83)
Evaporative Emission (EVAP) Canister Purge Solenoid Valve (4.8L, 5.3L, 6.0L & 6.2L)On intake manifold. (Схема №22)
Evaporative Emissions (EVAP) Canister Vent Solenoid Valve (E85)Under rear of vehicle. Near rear of fuel tank.
Evaporative Emissions (EVAP) Canister Vent Solenoid Valve (Short Wheel Base)Under rear of vehicle. (Схема №25)
Exhaust Gas Recirculation (EGR) Valve (Diesel)On top right side of engine. (Схема №60)
Fuel Injectors 2, 4, 6 & 8 (Diesel)Above respective cylinders. (Схема №119)
Fuel Injector 1 (Diesel)Top of right cylinder bank. (Схема №60)
Fuel Injector 1 (4.3L) (6)Top of left cylinder bank. (Схема №82)
Fuel Injector 1 (4.8L, 5.3L, 6.0L & 6.2L)Top of left cylinder bank. (Схема №21)
Fuel Injector 2 (4.3L) (1)Top of right cylinder bank. (Схема №82)
Fuel Injector 2 (4.8L, 5.3L, 6.0L & 6.2L)Top of right cylinder bank. (Схема №21)
Fuel Injector 3 (Diesel)Top of right cylinder bank. (Схема №60)
Fuel Injector 3 (4.3L) (5)Top of left cylinder bank. (Схема №82)
Fuel Injector 3 (4.8L, 5.3L, 6.0L & 6.2L)Top of left cylinder bank. (Схема №21)
Fuel Injector 4 (4.3L) (2)Top of right cylinder bank. (Схема №82)
Fuel Injector 5 (Diesel)Top of right cylinder bank. (Схема №60)
Fuel Injector 5 (4.3L) (4)Top of left cylinder bank. (Схема №82)
Fuel Injector 5 (4.8L, 5.3L, 6.0L & 6.2L)Top of left cylinder bank. (Схема №21)
Fuel Injector 6 (4.3L) (3)Top of right cylinder bank. (Схема №82)
Fuel Injector 6 (4.8L, 5.3L, 6.0L & 6.2L)Top of right cylinder bank. (Схема №21)
Fuel Injector 7 (Diesel)Top of right cylinder bank. (Схема №60)
Fuel Injector 7 (4.8L, 5.3L, 6.0L & 6.2L)Top of left cylinder bank. (Схема №21)
Fuel Injector 8 (4.8L, 5.3L, 6.0L & 6.2L)Top of right cylinder bank. (Схема №21)
Shift Interlock SolenoidOn steering column. (Схема №3)
Torque Converter Clutch Pulse Width Modulation (TCC PWM) Solenoid ValveIn transmission. (Схема №8)
Torque Converter Clutch (TCC) Solenoid ValveIn transmission. (Схема №8)
Turbocharger Vane Position Control Solenoid Valve (Diesel)Top rear of engine. (Схема №58)
1-2 Shift Solenoid (SS) ValveIn transmission. (Схема №8)
2-3 Shift Solenoid (SS) ValveIn transmission. (Схема №8)
3-2 Shift Solenoid (SS) Valve AssemblyIn transmission. (Схема №8)

SOLENOIDS & SOLENOID VALVES LOCATION

SWITCHES

ComponentLocation
A/C Low Pressure Switch (Diesel)On right side of A/C accumulator. (Схема №57)
A/C Low Pressure Switch (4.3L) (3)On right side of A/C accumulator. (Схема №91)
A/C Low Pressure Switch (4.8L, 5.3L, 6.0L & 6.2L) (2)On right side of A/C accumulator. (Схема №23)
Brake Fluid Level Switch (Hybrid)On brake master cylinder reservoir. (Схема №121)
Brake Fluid Level Switch (8) (Except Hybrid)On brake master cylinder reservoir. (Схема №2)
Engine Coolant Level Switch (Diesel)On bottom of surge tank. (Схема №57)
Engine Oil Level (EOL) SwitchLeft side of oil pan. (Схема №119)
Engine Oil Level Switch (Diesel)Left side of engine oil pan.
Engine Oil Level Switch (4.8L, 5.3L, 6.0L & 6.2L) (9)On right side of engine oil pan. (Схема №20)
Hood Ajar SwitchPart of hood latch assembly. (Схема №35)
Ignition SwitchIn upper steering column. (Схема №3)
Internal Mode Switch (3)In transmission, on control solenoid valve assembly. (Схема №88)
Park Brake SwitchOn park brake pedal assembly. (Схема №34)
Park/Neutral Position (PNP) SwitchOn left rear side of transmission. (Схема №9)
Stop Lamp SwitchTop of brake pedal assembly. (Схема №1)
Transfer Case Shift Control SwitchOn top left of transfer case. (Схема №45)
Turn Signal Multifunction SwitchOn left side of steering column. (Схема №3)
Washer Fluid Level SwitchBottom of washer fluid reservoir. (Схема №48)

SWITCHES LOCATION

MISCELLANEOUS

ComponentLocation
Audio Amplifier (3)Under rear of center console. (Схема №97)
Camper Trailer Blunt Cuts (UY2) (11)On left rear body mount. (Схема №106)
Cellular/Navigation Antenna (2)Left front of roof. (Схема №98)
Cellular/Navigation & Digital Radio Antenna (2)Left front of roof. (Схема №98)
Cellular Telephone MicrophoneIn overhead console. (Схема №12)
Data Link Connector (DLC)Lower left side of dash. (Схема №17)
Digital Radio Receiver (6)Behind right end of dash. (Схема №93)
Door Latch Assembly (Driver)Rear of driver's door. (Схема №13)
Door Latch Assembly (Left Rear) (Crew Cab)Rear of left rear door. (Схема №15)
Door Latch Assembly (Passenger)Rear of passenger's door. (Схема №14)
Door Latch Assembly (Right Rear) (Crew Cab)Rear of right rear door. (Схема №16)
Drive Motor Generator BatteryUnder second row seats. (Схема №123)
Emergency Vehicle Wiring Blunt Cuts (4)In roof console. (Схема №100)
Fuel Heater (Diesel)Right side of engine, near fuel filter. (Схема №58)
Generator - AuxiliaryUpper left front of engine. (Схема №58)
Generator (Right) (Diesel)Upper right front of engine. (Схема №58)
Generator (4.3L) (1)Top front of engine. (Схема №81)
Generator (4.8L, 5.3L, 6.0L & 6.2L)Upper left front of engine. (Схема №22)
Glow Plugs 2, 4, 6 & 8Above respective cylinders. (Схема №119)
GMLAN TerminatorAt left side of rear chassis crossmember. (Схема №19)
Heated Seat Element (Driver Back)In driver's seat back. (Схема №40)
Heated Seat Element (Driver Cushion)In driver's seat cushion. (Схема №40)
Heated Seat Element (Passenger Back)In passenger's seat back. (Схема №41)
Heated Seat Element (Passenger Cushion)In passenger's seat cushion. (Схема №41)
Horn (Left)Lower left front of vehicle. (Схема №33)
Horn (Right)Lower right front of vehicle. (Схема №33)
Ignition Coil 1 (4.8L, 5.3L, 6.0L & 6.2L)Upper left side of engine. (Схема №21)
Ignition Coil 2 (4.8L, 5.3L, 6.0L & 6.2L) (6)Upper right side of engine. (Схема №20)
Ignition Coil 3 (4.8L, 5.3L, 6.0L & 6.2L)Upper left side of engine. (Схема №21)
Ignition Coil 4 (4.8L, 5.3L, 6.0L & 6.2L) (3)Upper right side of engine. (Схема №20)
Ignition Coil 5 (4.8L, 5.3L, 6.0L & 6.2L)Upper left side of engine. (Схема №21)
Ignition Coil 6 (4.8L, 5.3L, 6.0L & 6.2L) (2)Upper right side of engine. (Схема №20)
Ignition Coil 7 (4.8L, 5.3L, 6.0L & 6.2L)Upper left side of engine. (Схема №21)
Ignition Coil 8 (4.8L, 5.3L, 6.0L & 6.2L) (1)Upper right side of engine. (Схема №20)
Inflatable Restraint I/P ModuleTop right side of dash.
Inflatable Restraint Roof Rail Module (Left) (Extended & Crew Cab)Behind left side of headliner trim. (Схема №30)
Inflatable Restraint Roof Rail Module (Left) (Regular Cab)Behind left side of headliner trim. (Схема №43)
Inflatable Restraint Roof Rail Module (Right) (Extended & Crew Cab)Behind right side of headliner trim. (Схема №30)
Inflatable Restraint Roof Rail Module (Right) (Regular Cab)Behind right side of headliner trim. (Схема №43)
Inflatable Restraint Steering Wheel ModuleIn steering wheel.
Inflatable Restraint Steering Wheel Module CoilBehind steering wheel. (Схема №3)
Information Center Telltale AssemblyTop right rear of passenger compartment. (Схема №29)
Mobile Radio Blunt Cuts (10)Under center console. (Схема №112)
Noise Compensation Microphone (5)Left side of center console. (Схема №97)
Power Brake Booster (2)Left rear of engine compartment. (Схема №2)
Remote Control Door Lock Receiver (RCDLR)Top rear of passenger compartment. (Схема №39)
Roof Mounted Beacon Blunt Cuts (TRW) (10)In overhead console. (Схема №99)
Seat Belt Pretensioner (Driver) (1)On left "B" pillar. (Схема №102)
Seat Belt Pretensioner (Passenger) (2)On right "B" pillar. (Схема №102)
Splice Pack (JX221)In I/P harness, behind left side of dash. (Схема №129)
Splice Pack (JX223)In I/P extension harness, behind left side of dash.
Splice Pack (JX339)Under front passenger's seat. (Схема №131)
Trailer ConnectorAt rear of vehicle. (Схема №19)
Valve Lifter Oil Manifold (VLOM) Assembly (11)Below intake manifold. (Схема №20)
Windshield Washer Solvent Heater (3)Left rear corner of engine compartment. (Схема №2)

MISCELLANEOUS LOCATION

CONNECTORS

ComponentLocation
X100 (Diesel) (Black, 18 Pin)Left front corner of engine compartment. (Схема №120)
X100 (Except Diesel) (Black, 8 Pin)Left front corner of engine compartment. (Схема №63)
X102 (Black, 8 Pin)At clutch pedal brackets. (Схема №132)
X103 (Diesel) (Black, 16 Pin)Left side of engine compartment. (Схема №120)
X103 (Except Diesel) (Black, 16 Pin)Left side of engine compartment. (Схема №63)
X106 (Diesel) (Black, 8 Pin)Right front corner of engine compartment. (Схема №120)
X106 (Except Diesel) (Black, 8 Pin)Right front corner of engine compartment. (Схема №63)
X107 (Gray, 40 Pin) (5)Left rear of engine. (Схема №92)
X108 (Black, 40 Pin) (4)Left rear of engine. (Схема №92)
X109 (-NQF/-NQH) (Black, 24 Pin)Below underhood fuse block. (Схема №59)
X109 (NQF/NQH) (Black, 40 Pin) (7)Below underhood fuse block. (Схема №67)
X110 (Black, 4 Pin)Between first & second body mount. (Схема №46)
X111 (Light Grey, 7 Pin) (2)Above left engine rocker cover. (Схема №109)
X112 (4.3L) (Black, 3 Pin) (10)Right front of engine. (Схема №64)
X112 (4.8L & 5.3L) (Black, 3 Pin) (3)Lower front of engine. (Схема №85)
X112 (6.0L & 6.2L) (Black, 5 Pin) (3)Lower front of engine. (Схема №85)
X113 (Diesel) (Black, 6 Pin)Engine jumper harness to engine harness.
X113 (4.8L, 5.3L, 6.0L & 6.2L) (Light Grey, 7 Pin)Above right engine rocker cover. (Схема №66)
X115 (Except Hybrid) (Natural, 24 Pin)Chassis harness to I/P harness, left side of chassis. (Схема №77)
X115 (Hybrid) (Natural, 24 Pin)Left rear of engine compartment. (Схема №127)
X116 (Black, 1 Pin)Battery positive harness to brake clutch harness.
X117 (Black, 4 Pin)Fuel rail pressure sensor jumper harness to engine harness.
X120 (Black, 4 Pin)Left side of engine. (Схема №124)
X121 (Black, 1 Pin)Battery negative harness to battery positive harness.
X122 (Black, 4 Pin) (5)Right rear of engine compartment. (Схема №80)
X123 (Black, 12 Pin)Below under hood fuse block. (Схема №59)
X124 (Black, 16 Pin) (7)Outside of right front chassis frame. (Схема №87)
X125 (Gray, 4 Pin) (1)Outside of right front chassis frame. (Схема №110)
X126 (Gray, 12 Pin) (8)Left side of engine compartment. (Схема №67)
X127 (Black, 2 Pin) (3)Top front of engine. (Схема №92)
X128 (3 Pin)Top of engine. (Схема №58)
X129 (Black, 16 Pin)Left rear of engine compartment. (Схема №127)
X150 (Black, 24 Pin)Left side of engine. (Схема №124)
X175 (MW7) (Gray, 20 Pin) (2)Rear of engine. (Схема №64)
X175 (M30, M70) (Gray, 20 Pin) (2)Rear of engine. (Схема №64)
X176 (Black, 24 Pin)Right side of automatic transmission. (Схема №126)
X200 (Yellow, 4 Pin)Behind right kick panel. (Схема №69)
X201 (Gray, 22 Pin) (1)On steering column. (Схема №113)
X202 (Black, 30 Pin)Behind left kick panel. (Схема №69)
X203 (Black, 8 Pin) (2)Base of left "A" pillar. (Схема №68)
X204 (Black, 12 Pin) (3)Base of left "A" pillar. (Схема №68)
X205 (Black, 16 Pin)Left side of dash. (Схема №69)
X206 (Black, 8 Pin) (5)Behind right side of dash. (Схема №68)
X207 (Black, 1 Pin)I/P harness to I/P harness.
X208 (Black, 3 Pin)Left end of dash. (Схема №130)
X211 (Black, 40 Pin) (8)Under center console. (Схема №68)
X212 (Except Hybrid) (Black, 16 Pin) (4)Behind left side of dash. (Схема №68)
X212 (Hybrid) (Black, 30 Pin)Center of dash. (Схема №128)
X214 (Black, 1 Pin) (7)Behind right side of dash. (Схема №112)
X215 (Black, 16 Pin)Behind right kick panel. (Схема №128)
X219 (Black, 1 Pin) (6)Behind right side of dash. (Схема №112)
X220 (Black, 8 Pin) (7)Near left body mount. (Схема №114)
X224 (Black, 3 Pin)Brake clutch harness to beacon harness.
X225 (Black, 1 Pin)Brake clutch harness to battery positive harness.
X226 (Black, 1 Pin) (11)Under left side of dash. (Схема №112)
X227 (Black, 2 Pin)LED indicator harness to SPO theft harness.
X228 (Black, 1 Pin)Beacon harness to chassis harness.
X275 (Yellow, 4 Pin)Lower left side of dash, near steering column. (Схема №71)
X276 (Light Green, 2 Pin) (2)On steering column. (Схема №113)
X277 (Light Green, 2 Pin) (4)On steering column. (Схема №113)
X300 (Diesel) (Black, 10 Pin) (1)Left rear of transmission. (Схема №87)
X300 (Hybrid) (Black, 12 Pin)Left side of frame, forward of electronic brake control module. (Схема №132)
X300 (4.3L) (Black, 8 Pin)Left side of frame, in front of EBCM. (Схема №65)
X303 (-AN3) (Black, 6 Pin)Under driver's seat. (Схема №71)
X303 (AN3) (Black, 30 Pin)Under driver's seat. (Схема №71)
X304 (Black, 16 Pin)Front center of roof. (Схема №76)
X305 (Black, 30 Pin)Under driver's seat. (Схема №71)
X306 (Black, 8 Pin)Headliner harness to right "A" pillar harness.
X309 (Black, 8 Pin)Near audio amplifier. (Схема №74)
X313 (Black, 5 Pin) (9)In overhead console. (Схема №99)
X318 (Black, 3 Pin)Headliner harness to CHMSL harness. (Схема №76)
X319 (Black, 2 Pin)Body harness to console harness. (Схема №70)
X320 (Black, 4 Pin)Right rear of cab. (Схема №73)
X321 (Black, 3 Pin)Body harness to headliner harness. (Схема №72)
X322 (Black, 4 Pin)Body harness to UPA jumper harness. (Схема №73)
X324 (Black, 18 Pin) (4)In driver's seat back. (Схема №37)
X325 (Black, 6 Pin) (2)In passenger's seat back. (Схема №38)
X350 (Black, 18 Pin)Left rear of drive motor generator battery. (Схема №130)
X408 (Black, 8 Pin)Left rear corner of vehicle. (Схема №77)
X414 (Black, 7 Pin) (1)Left rear of frame. (Схема №106)
X415 (Light Gray, 2 Pin) (1)Under left rear of cargo box. (Схема №117)
X416 (Black, 2 Pin) (8)Under left rear of cargo box. (Схема №117)
X500 (Black, 10 Pin)Behind left kick panel. (Схема №71)
X501 (Black, 10 Pin)Behind left kick panel. (Схема №71)
X502 (Black, 2 Pin)Behind left kick panel. (Схема №75)
X600 (Black, 10 Pin)Behind right kick panel. (Схема №71)
X601 (Black, 2 Pin)Behind right kick panel. (Схема №71)
X700 (Crew Cab) (Black, 16 Pin)In left "B" pillar. (Схема №75)
X700 (Extended Cab) (Black, 12 Pin)In left "B" pillar. (Схема №72)
X800 (Crew Cab) (Black, 16 Pin)In right "B" pillar. (Схема №75)
X800 (Extended Cab) (Black, 12 Pin)In right "B" pillar. (Схема №73)

CONNECTORS LOCATION

GROUNDS

ComponentLocation
G100 (Diesel)Left front corner of engine compartment. (Схема №120)
G100 (Except Diesel)On lower left radiator support. (Схема №50)
G101 (Diesel)Right front corner of engine compartment. (Схема №120)
G101 (Except Diesel)On lower right radiator support. (Схема №50)
G102 (Diesel)Lower left front of engine. (Схема №119)
G102 (Except Diesel)On lower left front of engine. (Схема №51)
G103On front of right cylinder head. (Схема №52)
G104Front of left cylinder head. (Схема №53)
G106 (Diesel)Lower left front of engine. (Схема №119)
G106 (4.3L) (3)Right rear of engine. (Схема №84)
G107Top left rear of engine. (Схема №53)
G108On left side of firewall. (Схема №53)
G110Left side of firewall. (Схема №53)
G111On left side of firewall. (Схема №53)
G200On right front corner of HVAC module. (Схема №31)
G201Upper left corner of dash. (Схема №54)
G300Below driver's door, on body mount. (Схема №55)
G301Below left side of passenger's seat. (Схема №56)
G302Below right side of passenger's seat. (Схема №56)
G303On lower left "B" pillar. (Схема №56)
G304On lower right "B" pillar. (Схема №56)
G307At right rear corner of passenger compartment. (Схема №75)
G311 (Hybrid)Inside drive motor generator battery.
G312 (Hybrid)Inside drive motor generator battery.
G401On left rear body mount. (Схема №77)

GROUNDS LOCATION