Contents Wiring diagrams Section: Electrical Component Locations All sections

Electrical Component Locator: Other Hummer H2 I

BUZZERS, RELAYS & TIMERS

ComponentLocation
A/C COMP RELAYIn underhood fuse block. (Схема №27)
DRL RELAYIn underhood fuse block. (Схема №27)
Electronically Controlled Air Suspension RelayNear lower left front wheelwell, attached to chassis harness. (Схема №8)
FUEL PMP RELAYIn underhood fuse block. (Схема №27)
HDLP HIGH RELAYIn underhood fuse block. (Схема №27)
HDLP LOW RELAYIn underhood fuse block. (Схема №27)
HORN RELAYIn underhood fuse block. (Схема №27)
IGN 1 RELAY (GAS)In underhood fuse block. (Схема №27)
Liftgate RelayAt base of right "B" pillar. (Схема №75)
LOCK RELAYIn I/P fuse block. (Схема №28)
PARK LP RELAYIn underhood fuse block. (Схема №27)
REAR DEFOG RELAYIn I/P relay block. (Схема №30)
STARTER RELAYIn underhood fuse block. (Схема №27)
Sun Roof RelayAttached to headliner harness, near left side of dash. (Схема №83)
UNLOCK RELAYIn I/P fuse block. (Схема №28)
W/S WASH RELAYIn underhood fuse block. (Схема №27)

BUZZERS, RELAYS & TIMERS LOCATION

CIRCUIT PROTECTION DEVICES

ComponentLocation
Body Relay BlockNear parking brake assembly. (Схема №44)
I/P Fuse Block I/POn lower left side of dash. (Схема №2)
I/P Junction BlockOn lower right side of dash. (Схема №4)
I/P Relay BlockOn left side of dash, near left kick panel. (Схема №3)
Rear Junction BlockOn underside of rear body, near center of rear bumper.
Underhood Fuse BlockAt left side of engine compartment, near battery. (Схема №1)

CIRCUIT PROTECTION DEVICES LOCATION

CONTROL UNITS

ComponentLocation
Air Suspension ModuleNear right front of compressor. (Схема №37)
Blower Motor Control ProcessorBehind right side of dash, on HVAC assembly. (Схема №34)
Body Control Module (BCM)On top left side of dash, above I/P fuse block. (Схема №16)
Driver Door Module (DDM)In driver's door, part of switch assembly. (Схема №72)
Electronic Brake Control Module (ECBM)On left side of inner frame. (Схема №45)
FLASHER MODULEOn back side of I/P fuse block. (Схема №29)
Heated Seat Control Module-LRUnder left side of 2nd row seat. (Схема №87)
Heated Seat Control Module-RRUnder right side of 2nd row seat. (Схема №87)
HVAC Control ModuleBehind center of dash. (Схема №34)
HVAC ModuleOn HVAC assembly. (Схема №34)
Inflatable Restraint I/P ModuleBehind right side of dash. (Схема №62)
Inflatable Restraint I/P Module ConnectorBehind right side of dash. (Схема №61)
Inflatable Restraint Sensing & Diagnostic Module (SDM)Under left front seat. (Схема №61)
Inflatable Restraint Sensing & Diagnostic Module (SDM) ConnectorUnder left front seat. (Схема №19)
Inflatable Restraint Steering Wheel ModuleUnder horn pad. (Схема №61)
Memory Seat Module (Driver)Under driver seat. (Схема №84)
Passenger Door Module (PDM)In passenger door. (Схема №73)
Powertrain Control Module (PCM)On left front of engine compartment. (Схема №52)
Rear Window Wiper Module - W/MotorAt center of liftgate. (Схема №76)
RSA ControllerAt rear of center console. (Схема №6)
Sunroof ModuleIn front of headliner, near front overhead console. (Схема №82)
Theft Deterrent Control ModuleIn steering column.
Throttle Actuator Control (TAC) ModuleAt left rear of engine compartment. (Схема №52)
Transfer Case Shift Control ModuleBehind headlamp switch. (Схема №9)
Vehicle Communication Interface ModuleAt center of dash, below HVAC control module. (Схема №66)
Windshield Wiper/Washer ModuleUnder windshield cowl, between wiper arms. (Схема №88)

CONTROL UNITS LOCATION

MOTORS

ComponentLocation
Air Suspension CompressorOn air suspension assembly. (Схема №37)
Air Suspension Compressor ConnectorNear right front of compressor. (Схема №37)
Air Temperature Actuator - Left)Attached to lower middle underside of HVAC assembly, below evaporator. (Схема №34)
Air Temperature Actuator - RightAt middle top of HVAC assembly, above evaporator. (Схема №34)
Blower MotorAt right lower side of dash, on HVAC assembly.
Door Window Motor Connector-LR (RR Similar)At door window motor. (Схема №74)
Door Window Motor-LR (RR Similar)In left rear door. (Схема №74)
Encoder MotorAt rear of transfer case. (Схема №41)
Fuel Pump & Sender AssemblyIn fuel tank. (Схема №54)
Mode ActuatorOn left side of HVAC assembly. (Схема №34)
Rear Window Wiper MotorAt center of liftgate. (Схема №88)
Recirculation ActuatorOn top front of HVAC assembly. (Схема №34)
Seat Bolster Motor-DriverIn driver seat back. (Схема №60)
Seat Bolster Motor-PassengerIn passenger seat back. (Схема №86)
Seat Front Vertical Motor-DriverUnder driver seat. (Схема №84)
Seat Front Vertical Motor-Front PassengerUnder front passenger seat. (Схема №85)
Seat Horizontal Motor-DriverUnder driver seat. (Схема №84)
Seat Horizontal Motor-Front PassengerUnder front passenger seat. (Схема №85)
Seat Lumbar Motor-DriverIn driver seat back. (Схема №60)
Seat Lumbar Motor-PassengerIn passenger seat back. (Схема №86)
Seat Rear Vertical Motor-DriverUnder driver seat. (Схема №84)
Seat Rear Vertical Motor-Front PassengerUnder front passenger seat. (Схема №85)
Seat Recline Motor-DriverUnder driver seat. (Схема №84)
Seat Recline Motor-Front PassengerUnder front passenger seat. (Схема №85)
Starter MotorAt lower right side of engine. (Схема №79)
Throttle Actuator Control AssemblyMounted to throttle body assembly, on top of engine.
Throttle Actuator Control MotorMounted to throttle body assembly, on top of engine.
Transfer Case Encoder/Motor ConnectorAt rear of transfer case assembly. (Схема №42)
Window Motor - DriverIn driver door. (Схема №72)
Window Motor - Front PassengerIn front passenger door. (Схема №73)
Windshield Washer Fluid Pump-ReversibleIn washer fluid reservoir. (Схема №88)
Windshield Wiper MotorAt center rear of engine compartment. (Схема №88)

MOTORS LOCATION

SENDING UNITS & SENSORS

ComponentLocation
A/C Refrigerant Pressure SensorIn rear of A/C compressor.
Air Suspension Pressure SensorAt right side of compressor head. (Схема №37)
Air Suspension Sensor - LRAt left rear frame rail, attached to top of frame. (Схема №38)
Air Suspension Sensor - RRAt right rear frame rail, attached to top of frame.
Air Temperature Sensor Connector - Lower LeftOn left side of HVAC assembly. (Схема №34)
Air Temperature Sensor Connector - Lower RightOn left side of HVAC assembly. (Схема №34)
Air Temperature Sensor Connector - Upper RightAt right side of dash panel. (Схема №33)
Air Temperature Sensor - InsideIn left roof rail, forward of "B" pillar. (Схема №33)
Air Temperature Sensor - Upper LeftAt left side of dash panel. (Схема №33)
Air Temperature Sensor - Upper RightAt right side of dash panel. (Схема №33)
Ambient Air Temperature Sensor - HVACAt right front of vehicle, to right of radiator support. (Схема №33)
Ambient Air Temperature Sensor - MirrorAt right front of vehicle, to right of radiator support. (Схема №33)
Ambient Light/Sunload Sensor AssemblyOn top center of dash. (Схема №33)
Ambient Temperature Sensor Assembly-InsideAt middle left side of headliner, above driver's seat. (Схема №65)
APP SensorBelow left side of dash. (Схема №48)
APP Sensor ConnectorAt APP sensor. (Схема №48)
Camshaft Position (CMP) Sensor ConnectorAt top center rear of engine, near engine oil pressure sensor. (Схема №11)
Crankshaft Position (CKP) SensorAt lower right rear side of engine block, behind starter solenoid. (Схема №51)
Crankshaft Position (CKP) Sensor ConnectorAt sensor. (Схема №79)
Engine Coolant Temperature (ECT) SensorNear rear of engine block, below exhaust manifold. (Схема №78)
Engine Oil Pressure (EOP) Sensor ConnectorAt left rear of engine. (Схема №11)
Fuel Level SensorAt top of fuel tank. (Схема №81)
Fuel Tank Pressure (FTP) SensorOn fuel tank, integral to fuel pump & sender assembly. (Схема №54)
Heated Oxygen Sensor (HO2S)-Bank 1 Sensor 1In left exhaust pipe, before catalytic converter. (Схема №54)
Heated Oxygen Sensor (HO2S)-Bank 1 Sensor 2In left exhaust pipe, after catalytic converter. (Схема №54)
Heated Oxygen Sensor (HO2S)-Bank 2 Sensor 1In right exhaust pipe, before catalytic converter. (Схема №54)
Heated Oxygen Sensor (HO2S)-Bank 2 Sensor 2In right exhaust pipe, after catalytic converter. (Схема №54)
Inflatable Restraint Electronic Frontal Sensor (EFS) (2)At front left/right of engine compartment. (Схема №63)
Inflatable Restraint Front End Discriminating Sensor - LeftOn left front of vehicle, by core support. (Схема №61)
Inflatable Restraint Front End Discriminating Sensor - RightOn right front of vehicle, by core support. (Схема №62)
Intake Air Temperature (IAT)/Mass Airflow (MAF) SensorIn air induction tube. (Схема №31)
Knock Sensor (KS) 1In valley, under intake manifold. (Схема №55)
Knock Sensor (KS) 2In valley, under intake manifold. (Схема №55)
Knock Sensor PigtailAt top of engine. (Схема №53)
Manifold Absolute Pressure (MAP) SensorOn top rear of engine, on intake manifold. (Схема №53)
Passlock SensorPart of ignition lock cylinder, in steering column assembly. (Схема №47)
Vehicle Speed Sensor (VSS)On rear of transfer case assembly. (Схема №42)
VSS SensorAt rear of transfer case. (Схема №59)
Washer Fluid Level SensorIn washer fluid reservoir. (Схема №88)
Wheel Speed Sensor (WSS) - LF (RF Similar)On front wheel hub assembly. (Схема №45)
Wheel Speed Sensor (WSS) - LR (RR Similar)On rear wheel hub assembly. (Схема №45)

SENDING UNITS & SENSORS LOCATION

SOLENOIDS & SOLENOID VALVES

ComponentLocation
A/C Compressor ClutchAt lower right front of engine. (Схема №32)
A/C Compressor Clutch ConnectorAt lower right front of engine. (Схема №32)
Air Suspension Exhaust ValveAttached to right side of compressor head. (Схема №37)
Air Suspension Exhaust Valve ConnectorAt air suspension exhaust valve. (Схема №37)
Air Suspension Inlet Valve Connector-LR/RRAt air suspension inlet valve. (Схема №37)
Air Suspension Inlet Valve-Left RearNear right front of compressor. (Схема №37)
Air Suspension Inlet Valve-Right RearNear right front of compressor. (Схема №37)
A/T Shift Lock Control SolenoidIntegral to floor shift assembly.
Door Latch Assembly Connector - DriverIn driver door. (Схема №72)
Door Latch Assembly - DriverAt rear of driver door. (Схема №72)
Door Latch Assembly-LR (RR Similar)At rear of door. (Схема №74)
Door Latch Assembly - PassengerAt rear of passenger door. (Схема №73)
Door Lock Actuator-LiftgateAt lower center of liftgate. (Схема №76)
Evaporative Emission Canister Vent (EVAP) SolenoidOn right front side of fuel tank. (Схема №54)
Evaporative Emissions (EVAP) Canister Purge SolenoidOn top right front of engine. (Схема №53)
Fuel Injector 1At left side of engine. (Схема №49)
Fuel Injector 2At right side of engine. (Схема №50)
Fuel Injector 3At left side of engine. (Схема №49)
Fuel Injector 4At right side of engine. (Схема №50)
Fuel Injector 5At left side of engine. (Схема №49)
Fuel Injector 6At right side of engine. (Схема №50)
Fuel Injector 7At left side of engine. (Схема №49)
Fuel Injector 8At right side of engine. (Схема №50)
Ignition Lock Cylinder Control ActuatorBehind ignition switch assembly. (Схема №67)
Ignition Lock Cylinder Control Actuator ConnectorAt ignition lock cylinder. (Схема №67)
Pressure Control (PC) Solenoid ValveIn automatic transmission. (Схема №57)
Rear Differential Lock ActuatorOn rear axle, at top of differential housing. (Схема №40)
Starter SolenoidAt right rear of engine. (Схема №46)
Torque Converter Clutch Pulse Width Modulation (TCC PWM) Solenoid ValveIn automatic transmission. (Схема №57)
Torque Converter Clutch (TCC) Solenoid ValveIn automatic transmission. (Схема №57)
1-2 Shift Solenoid (SS) ValveAt rear of transmission. (Схема №57)
2-3 Shift Solenoid (SS) ValveAt rear of transmission. (Схема №57)
3-2 Shift Solenoid (SS) Valve AssemblyIn transmission. (Схема №57)

SOLENOIDS & SOLENOID VALVES LOCATION

SWITCHES

ComponentLocation
A/C Low Pressure SwitchOn right side of accumulator. (Схема №31)
A/C Refrigerant Pressure SwitchAt right front of engine. (Схема №32)
Air Suspension Inflator SwitchNear right "D" pillar. (Схема №38)
Air Suspension Inflator Switch ConnectorAt right rear frame body mount. (Схема №24)
Automatic Transmission Fluid Pressure (TFP) Manual Valve Position SwitchIn automatic transmission. (Схема №57)
Brake Fluid Level Switch ConnectorOn left side of brake fluid reservoir. (Схема №43)
Coolant Level SwitchIn coolant reservoir. (Схема №31)
Door Lock Switch - RearNear right "D" pillar. (Схема №38)
Engine Oil Level SwitchOn lower right side of oil pan. (Схема №52)
Ignition Key Alarm SwitchOn ignition key cylinder. (Схема №47)
Ignition SwitchOn steering column. (Схема №47)
Inflatable Restraint I/P Module Disable SwitchBehind right side of dash. (Схема №63)
Liftgate Ajar Switch-LeftAt lower left side of liftgate. (Схема №76)
Liftgate Ajar Switch-RightAt lower right side of liftgate. (Схема №76)
Park Brake Switch ConnectorPart of parking brake assembly. (Схема №44)
PNP SwitchOn left side of transmission. (Схема №58)
Seat Belt Switch ConnectorAt right side of driver seat. (Схема №60)
Stop Lamp SwitchOn top of brake pedal bracket. (Схема №56)

SWITCHES LOCATION

MISCELLANEOUS

ComponentLocation
Accessory Power Outlet-LR (Console)At rear of center console. (Схема №6)
Accessory Power Outlet-RR (Console)At rear of center console. (Схема №6)
Accessory Power Outlet-RR (Rear Cargo Storage Bin)At rear of rear cargo storage bin. (Схема №7)
Accessory Power Outlet (2)At center of dash. (Схема №5)
Audio AmplifierUnder front floor console, between front seats. (Схема №68)
BatteryAt left side of engine compartment. (Схема №63)
Cell Phone/GPS AntennaAt left front of roof. (Схема №64)
Cellular & Navigation AntennaAt top left front of roof. (Схема №68)
Cellular Telephone MicrophoneIn left roof rail, forward of "B" pillar. (Схема №33)
Data Link Connector (DLC)Under left side of dash, below steering column. (Схема №16)
Electric Locking Differential Case AssemblyIntegral to lock differential. (Схема №39)
GeneratorAt top left of engine. (Схема №46)
Global Positioning System (GPS) Antenna (I/P)On dash. (Схема №69)
Heated Seat Element Connector-LRUnder left side of 2nd row seat. (Схема №87)
Heated Seat Element Connector-RRUnder right side of 2nd row seat. (Схема №87)
Heated Seat Element-Driver CushionIn driver seat. (Схема №60)
Heated Seat Element-Driver Cushion ConnectorIn driver seat. (Схема №60)
Heated Seat Element-Passenger Cushion Connector (W/KA7)Under front passenger seat. (Схема №86)
Horn Connector-High NoteAt horn. (Схема №77)
Horn-High NoteOn left lower corner of radiator core support. (Схема №77)
Horn-Low NoteOn right lower corner of radiator core support. (Схема №77)
Ignition Coil 1At left side of engine. (Схема №49)
Ignition Coil 2At right side of engine. (Схема №50)
Ignition Coil 3At left side of engine. (Схема №49)
Ignition Coil 4At right side of engine. (Схема №50)
Ignition Coil 5At left side of engine. (Схема №49)
Ignition Coil 6At right side of engine. (Схема №50)
Ignition Coil 7At left side of engine. (Схема №49)
Ignition Coil 8At right side of engine. (Схема №50)
Junction Block - Battery CableAt left side of engine. (Схема №46)
Locking Differential Coil AssemblyIntegral to lock differential. (Схема №39)
Longnitudinal AccelerometerBehind center of dash. (Схема №45)
Navigation Radio Antenna (UM8)Behind right side of dash. (Схема №68)
Noise Cancellation MicrophoneMounted inside overhead console. (Схема №70)
Parking Brake AssemblyUnder left side of dash. (Схема №44)
Radio AntennaAt right front of vehicle. (Схема №69)
RCDLR (Part Of The Front Passenger Door Module)In front passenger door module. (Схема №71)
SIR CoilAt top of steering column. (Схема №35)
StarterAt right rear of engine. (Схема №46)
Stud #1On underhood fuse block. (Схема №1)
Stud #2-Trailer Connector Power FeedOn underhood fuse block. (Схема №1)
Theft Deterrent Control Module Electric Park LockIn steering column. (Схема №36)
Trailer ReceptacleAt rear bumper fascia. (Схема №26)

MISCELLANEOUS LOCATION

CONNECTORS

ComponentLocation
C100 (Black, 16 Pin)Below underhood fuse block. (Схема №97)
C101 (Black, 10 Pin)Below underhood fuse block. (Схема №90)
C102 (Black, 12 Pin)On rear side of underhood fuse block. (Схема №1)
C103 (Forward Lamp Harness Side) (Black, 14 Pin)Attached to front side of underhood fuse block. (Схема №100)
C103 (I/P Harness Side) (Black, 14 Pin)Attached to front side of underhood fuse block. (Схема №100)
C104 (Black, 12 Pin)Near underhood fuse block. (Схема №90)
C105 (Black, 1 Pin)Near wheelwell. (Схема №90)
C106 (Blue, 12 Pin)Below underhood fuse block. (Схема №90)
C115 (Black, 2 Pin)At top left rear of engine, in engine harness. (Схема №53)
C158 (Ignition Coil Inline) (Light Gray, 8 Pin)In engine harness to odd ignition coil harness. (Схема №50)
C175 (Gray, 20 Pin)At right side of automatic transmission. (Схема №96)
C200 (I/P Harness Side) (Black, 16 Pin)Behind left side of dash. (Схема №14)
C201 (I/P Harness Side) (Yellow, 4 Pin)On left side of dash, behind left kick panel. (Схема №14)
C202 (I/P To Steering Column Harness) (Black, 52 Pin)Attached to transfer case shift control bracket. (Схема №95)
C203 (I/P To Steering Column Harness) (Yellow, 2 Pin)Below steering column. (Схема №95)
C210 (I/P harness side) (Black, 12 Pin)At bottom left side of dash. (Схема №80)
C277 (Black, 8 Pin)In top of steering column.
C298 (I/P To Body Harness) (Light Gray, 22 Pin)Behind right kick panel. (Схема №95)
C310 (Black, 17 Pin)At left side "B" pillar. (Схема №93)
C311 (Black, 3 Pin)At base of left roof rail, above driver.
C320 (Black, 6 Pin)Under left rear seat. (Схема №87)
C325 (Black, 16 Pin)Under driver's seat. (Схема №84)
C326 (Light Gray, 13 Pin)In driver's seat harness, under driver's seat. (Схема №84)
C327 (Light Blue, 24 Pin)In driver's seat harness, under driver's seat. (Схема №101)
C328 (White, 10 Pin)In driver's seat harness, under driver's seat. (Схема №84)
C329 (Black 6 Pin)In driver's seat harness, under driver's seat. (Схема №84)
C330 (Gray, 6 Pin)In driver's seat harness, under driver's seat. (Схема №84)
C333 (Black, 8 Pin)In driver's seat harness, under driver's seat. (Схема №60)
C350 (Console Harness Side) (Light Gray, 22 Pin)Under front floor console. (Схема №102)
C350 (I/P Harness Side) (Light Gray, 22 Pin)Under front floor console. (Схема №102)
C355 (Black, 8 Pin)At front of audio amplifier. (Схема №93)
C375 (Black, 16 Pin)Under passenger seat. (Схема №85)
C376 (Black, 6 Pin)Under passenger seat. (Схема №85)
C377 (Gray, 6 Pin)Under passenger seat. (Схема №86)
C378 (Black, 4 Pin)Under passenger seat. (Схема №86)
C380 (Black, 6 Pin)Under right rear seat. (Схема №87)
C390 (White, 17 Pin)At right side "B" pillar. (Схема №75)
C420 (Medium Gray, 12 Pin)At top left area of liftgate. (Схема №92)
C450 (Black, 2 Pin)At rear underside of vehicle, attached to air suspension assembly. (Схема №37)
C451 (Black, 16 Pin)At rear underside of vehicle, attached to air suspension assembly. (Схема №37)
C900 (Black, 12 Pin)Inside top left body opening of liftgate. (Схема №103)
Inline C148 (Light Gray, 8 Pin)In engine harness to odd ignition coil harness. (Схема №49)

CONNECTORS LOCATION

GROUNDS

ComponentLocation
Fuel Tank Filler GroundAt left rear frame body mount. (Схема №23)
G100At left side of engine compartment. (Схема №46)
G100-Forward Lamp HarnessOn left front frame body mount. (Схема №10)
G100-Negative Battery CableOn left front frame body mount. (Схема №10)
G102-Engine Harness GroundAt left front side of engine block. (Схема №12)
G102-Negative Battery CableAt left front side of engine block. (Схема №12)
G103At top right rear of engine. (Схема №53)
G103-Engine Harness GroundAt top right rear of engine. (Схема №11)
G104At top left rear of engine. (Схема №11)
G105-Engine Harness GroundAt lower left side of engine. (Схема №78)
G105-Negative Battery CableAt lower left side of engine. (Схема №78)
G106At right rear of engine compartment, on forward dash panel. (Схема №13)
G200On left side of dash, near left kick panel. (Схема №14)
G203At lower right side of dash, near right kick panel. (Схема №15)
G300On left side body mount, in front of driver door. (Схема №8)
G302At left inner center "B" pillar. (Схема №18)
G304Under passenger seat. (Схема №19)
G306At right inner center "B" pillar. (Схема №20)
G308At right frame body mount, near right rear door. (Схема №21)
G310At left body mount. (Схема №22)
G401At left rear frame body mount. (Схема №23)
G402Attached to front of air suspension mounting bracket. (Схема №91)
G405At right rear frame body mount. (Схема №24)
G410On right rear inner side body panel. (Схема №25)

GROUNDS LOCATION