Contents Wiring diagrams Section: Electrical Component Locations All sections

Electrical Component Locator: Other Hummer H3 I

BUZZERS, RELAYS & TIMERS

ComponentLocation
A/C CLUTCH RelayIn underhood fuse block. (Схема №60)
AIR SOL RelayIn underhood fuse block. (Схема №60)
FOG/LP RelayIn underhood fuse block. (Схема №60)
FUEL/PUMP RelayIn underhood fuse block. (Схема №60)
Grille Lamps RelayBelow side air inlet cover.
HDLP RelayIn underhood fuse block. (Схема №60)
High Speed Blower Motor RelayAttached to blower motor case. (Схема №24)
HI/LO BEAM RelayIn underhood fuse block. (Схема №60)
HI/LOW WPR RelayIn underhood fuse block. (Схема №60)
HORN RelayIn underhood fuse block. (Схема №60)
HVAC RelayIn underhood fuse block. (Схема №60)
ON/OFF WPR RelayIn underhood fuse block. (Схема №60)
PCM CNTRL RelayIn underhood fuse block. (Схема №60)
PRK/LP RelayIn underhood fuse block. (Схема №60)
PWR/TRN RelayIn underhood fuse block. (Схема №60)
RAP/ACCY RelayIn underhood fuse block. (Схема №60)
Roof Lamps RelayBelow side air inlet cover.
RR DEFOG RelayIn underhood fuse block. (Схема №60)
RUN/CRNK RelayIn underhood fuse block. (Схема №60)
SPARE-1 RelayIn underhood fuse block. (Схема №60)
SPARE-2 RelayIn underhood fuse block. (Схема №60)

BUZZERS, RELAYS & TIMERS LOCATION

CIRCUIT PROTECTION DEVICES

ComponentLocation
Underhood Fuse BlockAbove left front wheel well. (Схема №14)

CIRCUIT PROTECTION DEVICES LOCATION

CONTROL UNITS

ComponentLocation
Automatic Transmission Floor Shift ControlBeneath center console. (Схема №31)
Body Control Module (BCM)Behind right front kick panel. (Схема №9)
Electronic Brake Control Module (EBCM)Left of master cylinder. (Схема №3)
Heated Seat Module - DriverIn driver seat bottom. (Схема №44)
Heated Seat Module - PassengerIn passenger seat bottom. (Схема №45)
HVAC ModuleBeneath radio. (Схема №24)
Inflatable Restraint I/P ModuleAbove dash compartment. (Схема №1)
Inflatable Restraint Passenger Presence System (PPS) ModuleOn underside of cushion. (Схема №45)
Inflatable Restraint Roof Rail Module - LeftUpper left "B" pillar. (Схема №30)
Inflatable Restraint Roof Rail Module - RightUpper right "B" pillar. (Схема №30)
Inflatable Restraint Sensing And Diagnostic Module (SDM)Beneath lower console. (Схема №30)
Inflatable Restraint Steering Wheel ModuleIn steering column. (Схема №1)
Powertrain Control Module (PCM)At left front side of engine compartment. (Схема №14)
Transfer Case Shift Control ModuleBehind glove box. (Схема №33)
Vehicle Communication Interface Module (VCIM)Center of dash below HVAC control head. (Схема №26)

CONTROL UNITS LOCATION

MOTORS

ComponentLocation
Air Temperature Actuator - LeftMounted to left side of HVAC Module assembly. (Схема №24)
Air Temperature Actuator - RightMounted to left side of HVAC Module assembly. (Схема №24)
Blower MotorBelow right side of dash. (Схема №24)
Door Lock Actuator - DriverIn center rear of driver door, near door latch. (Схема №10)
Door Lock Actuator - EndgateOn right side of endgate. (Схема №13)
Door Lock Actuator - LRIn center rear of left rear door, near door latch. (Схема №12)
Door Lock Actuator - PassengerIn center rear of passenger door, near door latch. (Схема №11)
Door Lock Actuator - RRIn center rear of right rear door, near door latch. (Схема №43)
Fuel Pump And Sender AssemblyMounted on top of fuel tank. (Схема №18)
Ignition Lock Cylinder Control ActuatorOn upper right side of steering column. (Схема №29)
Lumbar Pump Motor - DriverIn driver seat. (Схема №44)
Lumbar Pump Motor - PassengerIn passenger seat. (Схема №45)
Mode ActuatorOn side of heater box. (Схема №24)
Rear Differential Lock ActuatorMounted to center of rear axle. (Схема №48)
Rear Window Washer Fluid PumpIn right rear engine compartment area. (Схема №34)
Rear Window Wiper MotorCenter of endgate. (Схема №13)
Recirculation ActuatorUpper right corner of heater case. (Схема №24)
Seat Motors - DriverUnder driver seat. (Схема №44)
Seat Motors - PassengerUnder passenger seat. (Схема №45)
Starter MotorMounted to left side of engine. (Схема №19)
Sunroof MotorAt front of sunroof module. (Схема №22)
Transfer Case Encoder MotorPart of transfer case.
Window Motor - DriverAttached to interior of left front door. (Схема №10)
Window Motor - LRAttached to interior of left rear door. (Схема №12)
Window Motor - PassengerAttached to interior of right front door. (Схема №11)
Window Motor - RRAttached to interior of right rear door. (Схема №43)
Windshield Washer Fluid PumpMounted on fluid reservoir. (Схема №34)
Windshield Wiper MotorUnder center of front cowling. (Схема №34)

MOTORS LOCATION

SENDING UNITS & SENSORS

ComponentLocation
Accelerator Pedal Position (APP) SensorOn accelerator pedal bracket. (Схема №2)
A/C Refrigerant Pressure SensorOn high pressure hose connection to compressor. (Схема №23)
Ambient Air Temperature SensorAttached to front center of radiator support. (Схема №23)
Ambient Light SensorRight side of dash upper trim panel. (Схема №1)
Camshaft Position (CMP) Sensor - ExhaustTop right front of engine. (Схема №16)
Camshaft Position (CMP) Sensor - IntakeTop front left of engine. (Схема №16)
Crankshaft Position (CKP) SensorLeft rear of engine block, below starter. (Схема №16)
Engine Coolant Temperature (ECT) SensorFront left of engine. (Схема №15)
Evaporator Temperature SensorBehind right lower dash. (Схема №24)
Fuel Tank Pressure (FTP) SensorTop of fuel pump and sender assembly.
Heated Oxygen Sensor (HO2S) 1On exhaust manifold on left side of engine. (Схема №15)
Heated Oxygen Sensor (HO2S) 2In exhaust pipe, adjacent to transmission. (Схема №6)
Inflatable Restraint Front End Sensor - LeftLeft lower radiator support. (Схема №23)
Inflatable Restraint Front End Sensor - RightRight lower radiator support. (Схема №23)
Inflatable Restraint Passenger Presence System (PPS) SensorIn front passenger seat cushion. (Схема №45)
Inflatable Restraint Passenger Seat Belt Tension SensorPart of seat belt buckle.
Inflatable Restraint Seat Position Sensor (SPS) - LeftOn driver seat track. (Схема №44)
Inflatable Restraint Seat Position Sensor (SPS) - RightOn driver seat track. (Схема №45)
Inflatable Restraint Side Impact Sensor (SIS) - LeftIn left front door. (Схема №10)
Inflatable Restraint Side Impact Sensor (SIS) - RightIn right front door. (Схема №11)
Inflatable Restraint Vehicle Rollover SensorUnder center console. (Схема №3)
Input Speed Sensor (ISS) AssemblyOn transmission assembly. (Схема №5)
Knock Sensor (KS) Bank 2Below intake manifold, near front of engine. (Схема №16)
Longitudinal Accelerometer SensorUnder driver seat near C307. (Схема №46)
Manifold Absolute Pressure (MAP) SensorAt top right side rear of engine, on intake manifold. (Схема №15)
Mass Air Flow (MAF)/Intake Air Temperature (IAT) SensorBetween air cleaner and throttle body. (Схема №14)
Steering Wheel Position SensorNear base of steering column. (Схема №29)
Tire Pressure Monitor SensorsIn respective tire. (Схема №32)
Vehicle Speed Sensor (VSS)Left rear of transfer case. (Схема №5)
Wheel Speed Sensor (WSS) - LFAttached to left front wheel hub. (Схема №4)
Wheel Speed Sensor (WSS) - LRAttached to left side of rear axle. (Схема №4)
Wheel Speed Sensor (WSS) - RFAttached to right front wheel hub. (Схема №4)
Wheel Speed Sensor (WSS) - RRAttached to right side of rear axle. (Схема №4)
Yaw Rate/Lateral & Longitudinal Accelerometer SensorUnder driver seat near C307. (Схема №3)

SENDING UNITS & SENSORS LOCATION

SOLENOIDS & SOLENOID VALVES

ComponentLocation
A/C Compressor ClutchPart of A/C compressor. (Схема №23)
A/T Shift Lock Control SolenoidPart of automatic transmission floor shift control. (Схема №31)
Camshaft Position (CMP) Actuator Solenoid (Bank 1 Exhaust)Right front of cylinder head. (Схема №15)
Evaporative Emission (EVAP) Canister Purge Solenoid ValveBelow intake, in back of alternator. (Схема №16)
Evaporative Emission (EVAP) Canister Vent Solenoid ValveAbove spare tire. (Схема №18)
Fuel Injector 1Attached to fuel rail at No. 1 cylinder. (Схема №17)
Fuel Injector 2Attached to fuel rail at No. 2 cylinder. (Схема №17)
Fuel Injector 3Attached to fuel rail at No. 3 cylinder. (Схема №17)
Fuel Injector 4Attached to fuel rail at No. 4 cylinder. (Схема №17)
Fuel Injector 5Attached to fuel rail at No. 5 cylinder. (Схема №17)
Pressure Control (PC) Solenoid ValveIn automatic transmission. (Схема №5)
Torque Converter Clutch Pulse Width Modulation (TCC PWM) Solenoid ValveIn automatic transmission. (Схема №5)
Torque Converter Clutch (TCC) Solenoid ValveIn automatic transmission. (Схема №5)
1-2 Shift Solenoid (SS) ValveIn automatic transmission. (Схема №5)
2-3 Shift Solenoid (SS) ValveIn automatic transmission. (Схема №5)
3-2 Shift Solenoid (SS) ValveIn automatic transmission. (Схема №5)

SOLENOIDS & SOLENOID VALVES LOCATION

SWITCHES

ComponentLocation
Automatic Transmission Fluid Pressure (TFP) Manual Valve Position SwitchIn automatic transmission. (Схема №5)
Backup Lamp SwitchOn top of transmission. (Схема №28)
Brake Fluid Level SwitchOn left side of brake fluid reservoir. (Схема №3)
Clutch Release SwitchAt top of clutch pedal assembly. (Схема №20)
Clutch Start SwitchAt top of clutch pedal assembly. (Схема №2)
Door Ajar Switch - DriverIn lower left "B" pillar. (Схема №27)
Door Ajar Switch - LRIn lower left "C" pillar. (Схема №27)
Door Ajar Switch - PassengerIn lower right "B" pillar. (Схема №27)
Door Ajar Switch - RRIn lower right "C" pillar. (Схема №27)
Endgate Ajar SwitchIn right "D" pillar. (Схема №27)
Engine Oil Pressure (EOP) SwitchAbove oil filter. (Схема №15)
Ignition SwitchBottom center of steering column. (Схема №29)
Park Brake SwitchLeft lower side of dash. (Схема №2)
Park/Neutral Position (PNP) SwitchLeft side of automatic transmission. (Схема №47)
Stop Lamp SwitchAbove brake pedal assembly. (Схема №2)
TCC Brake/Cruise Release SwitchTop of brake pedal assembly. (Схема №2)

SWITCHES LOCATION

MISCELLANEOUS

ComponentLocation
Audio AmplifierMounted next to subwoofer. (Схема №21)
BatteryLeft side of engine compartment. (Схема №42)
Blower Motor Resistor AssemblyAttached to bottom of blower. (Схема №24)
Cellular MicrophoneMounted in left front headliner. (Схема №8)
Cellular, Navigation & Digital Radio AntennaMounted to right front roof area. (Схема №7)
Data Link Connector (DLC)Left side of dash. (Схема №26)
Digital Radio ReceiverRight side of dash. (Схема №26)
GeneratorAt left front of engine. (Схема №19)
Global Positioning System (GPS) AntennaBehind right dash cluster.
Heater Element Seat Back - DriverIn driver seat back. (Схема №44)
Heater Element Seat Back - PassengerIn passenger seat back. (Схема №45)
Heater Element Seat Cushion - DriverIn driver seat bottom. (Схема №44)
Heater Element Seat Cushion - PassengerIn passenger seat bottom. (Схема №45)
HornFront of vehicle, behind grill. (Схема №25)
Ignition Coil 1In center front of cam cover at No. 1 cylinder. (Схема №15)
Ignition Coil 2In center front of cam cover at No. 2 cylinder. (Схема №15)
Ignition Coil 3In center front of cam cover at No. 3 cylinder. (Схема №15)
Ignition Coil 4In center front of cam cover at No. 4 cylinder. (Схема №15)
Ignition Coil 5In center front of cam cover at No. 5 cylinder. (Схема №15)
Inflatable Restraint Steering Wheel Module CoilMounted to steering wheel. (Схема №29)
Seat Belt Pretensioner - LFAt left inner "B" pillar. (Схема №30)
Seat Belt Pretensioner - RFAt right inner "B" pillar. (Схема №30)
Seat Belt Switch - LeftPart of seat belt buckle (Driver).
Seat Belt Switch - RightPart of seat belt buckle (Passenger).
Throttle BodyTop of engine, mounted on upper air intake manifold. (Схема №15)
Trailer ConnectorMounted on left side of trailer receiver, rear of vehicle. (Схема №49)

MISCELLANEOUS LOCATION

CONNECTORS

ComponentLocation
C101 (Black, 6 Pin)Rear center of engine. (Схема №15)
C115 (Black, 16 Pin)Right of left front fog lamp. (Схема №25)
C116 (Black, 8 Pin)Behind left headlamp assembly. (Схема №25)
C117 (Black, 8 Pin)Behind right headlamp assembly. (Схема №25)
C125 (Black, 16 Pin)Near battery. (Схема №50)
C130 (Black, 2 Pin)In body harness to battery cable harness. (Схема №38)
C150 (Black, 16 Pin)Behind battery next to EBCM. (Схема №38)
C155 (Black, 4 Pin)Next to EBCM. (Схема №38)
C200 (Black, 40 Pin)Behind left of dash. (Схема №51)
C201 (Light Gray, 22 Pin)Base of steering column. (Схема №51)
C203 (White, 8 Pin)Near blower motor. (Схема №37)
C204 (Light Gray, 22 Pin)Behind right kick panel. (Схема №9)
C205 (White, 12 Pin)Near blower motor. (Схема №37)
C207 (White, 12 Pin)Behind left of dash. (Схема №51)
C208 (Yellow, 4 Pin)Behind left of dash. (Схема №51)
C275 (Yellow, 4 Pin)Next to C201. (Схема №29)
C307 (White, 8 Pin)Under driver seat. (Схема №44)
C308 (White, 4 Pin)In body harness to driver seat belt switch jumper harness. (Схема №44)
C315 (White, 12 Pin)Under passenger seat. (Схема №45)
C318 (Black, 4 Pin)In passenger seat bottom. (Схема №45)
C319 (Black, 4 Pin)In driver seat bottom.
C320 (w/o Seat Heater) (White, 4 Pin)In body harness to passenger seat belt switch jumper harness. (Схема №45)
C320 (w/Seat Heater) (White, 8 Pin)In body harness to passenger seat belt switch jumper harness. (Схема №45)
C330 (White, 8 Pin)Behind upper left A-pillar trim panel. (Схема №22)
C335 (White, 6 Pin)Behind upper left A-pillar trim panel. (Схема №22)
C350 (White, 6 Pin)Behind right lower A-pillar trim. (Схема №52)
C370 (White, 12 Pin)In left rear passenger door. (Схема №53)
C380 (White, 12 Pin)In right rear passenger door. (Схема №53)
C410 (Black, 4 Pin)Behind right rear quarter trim panel near D-pillar. (Схема №54)
C420 (w/Heavy Duty harness) (Black, 16 Pin)Rearward of left wheel well.
C420 (w/o Heavy Duty Harness) (Black, 4 Pin)Rearward of left wheel well.
C430 (White, 4 Pin)Behind left rear quarter trim panel near D-pillar. (Схема №54)
C450 (White, 12 Pin)Behind left rear quarter trim panel near D-pillar. (Схема №13)
C500 (White, 30 Pin)In driver door. (Схема №10)
C510 (White, 8 Pin)Inside middle front of drivers door, near A-pillar. (Схема №10)
C600 (White, 30 Pin)Body harness to passenger door harness, in passenger door. (Схема №52)
C901 (White, 12 Pin)Left middle of end gate, near pass-through. (Схема №13)

CONNECTORS LOCATION

GROUNDS

ComponentLocation
G100In engine compartment, mounted to the LF inner fender, behind the battery. (Схема №19)
G102On lower left side of engine block, rearward of G103. (Схема №16)
G103On lower left side of engine block, forward of G102. (Схема №16)
G104Left side of engine block, in front of starter. (Схема №56)
G105On left inner front wheel well, behind battery. (Схема №35)
G106On right inner front wheel well. (Схема №35)
G110Left side of engine block, forward of G103. (Схема №56)
G120On left lower inner wheel well, near engine mount. (Схема №56)
G300Under driver seat carpet, on floor board. (Схема №35)
G310Mounted under left side of passenger seat. (Схема №35)
G320Under rear of middle console carpet, on floor board. (Схема №35)
G340Behind right rear quarter trim, near wheel well. (Схема №54)
G345Behind left rear quarter trim, near wheel well. (Схема №54)
G350Behind left rear quarter trim, near wheel well. (Схема №54)
G420Mounted to left side of rear cross member, near C420. (Схема №55)

GROUNDS LOCATION