Hummer H2. Manual - part 1000

SOLENOIDS & SOLENOID VALVES LOCATION 

Component 

Location 

A/C Compressor Clutch 

At lower right front of engine. See 

Fig. 32 . 

A/C Compressor Clutch Connector 

At lower right front of engine. See 

Fig. 32 . 

Air Suspension Exhaust Valve 

Attached to right side of compressor 

head. See Fig. 37 . 

Air Suspension Exhaust Valve Connector 

At air suspension exhaust valve. See 

Fig. 37 . 

Air Suspension Inlet Valve Connector-LR/RR 

At air suspension inlet valve. See 

Fig. 37 . 

Air Suspension Inlet Valve-Left Rear 

Near right front of compressor. See 

Fig. 37 . 

Air Suspension Inlet Valve-Right Rear 

Near right front of compressor. See 

Fig. 37 . 

A/T Shift Lock Control Solenoid 

Integral to floor shift assembly. 

Door Latch Assembly Connector - Driver 

In driver door. See Fig. 72 . 

Door Latch Assembly - Driver 

At rear of driver door. See Fig. 72 . 

Door Latch Assembly-LR (RR Similar) 

At rear of door. See Fig. 74 . 

Door Latch Assembly - Passenger 

At rear of passenger door. See Fig. 

73 . 

Door Lock Actuator-Liftgate 

At lower center of liftgate. See Fig. 

76 . 

Evaporative Emission Canister Vent (EVAP) 
Solenoid 

On right front side of fuel tank. See 

Fig. 54 . 

Evaporative Emissions (EVAP) Canister Purge 
Solenoid 

On top right front of engine. See Fig. 

53 . 

Fuel Injector 1 

At left side of engine. See Fig. 49 . 

Fuel Injector 2 

At right side of engine. See Fig. 50 . 

Fuel Injector 3 

At left side of engine. See Fig. 49 . 

Fuel Injector 4 

At right side of engine. See Fig. 50 . 

Fuel Injector 5 

At left side of engine. See Fig. 49 . 

Fuel Injector 6 

At right side of engine. See Fig. 50 . 

Fuel Injector 7 

At left side of engine. See Fig. 49 . 

Fuel Injector 8 

At right side of engine. See Fig. 50 . 

Ignition Lock Cylinder Control Actuator 

Behind ignition switch assembly. See 

Fig. 67 . 

Ignition Lock Cylinder Control Actuator 
Connector 

At ignition lock cylinder. See Fig. 

67 . 

Pressure Control (PC) Solenoid Valve 

In automatic transmission. See Fig. 

 

2004 Hummer H2 

2004 GENERAL MOTORS Hummer H2

  

SWITCHES 

SWITCHES LOCATION 

57 . 

Rear Differential Lock Actuator 

On rear axle, at top of differential 

housing. See Fig. 40 . 

Starter Solenoid 

At right rear of engine. See Fig. 46 . 

Torque Converter Clutch Pulse Width Modulation 
(TCC PWM) Solenoid Valve 

In automatic transmission. See Fig. 

57 . 

Torque Converter Clutch (TCC) Solenoid Valve 

In automatic transmission. See Fig. 

57 . 

1-2 Shift Solenoid (SS) Valve 

At rear of transmission. See Fig. 57 . 

2-3 Shift Solenoid (SS) Valve 

At rear of transmission. See Fig. 57 . 

3-2 Shift Solenoid (SS) Valve Assembly 

In transmission. See Fig. 57 . 

Component 

Location 

A/C Low Pressure Switch 

On right side of accumulator. See 

Fig. 31 . 

A/C Refrigerant Pressure Switch 

At right front of engine. See Fig. 

32 . 

Air Suspension Inflator Switch 

Near right "D" pillar. See Fig. 38 . 

Air Suspension Inflator Switch Connector 

At right rear frame body mount. 

See Fig. 24 . 

Automatic Transmission Fluid Pressure (TFP) 
Manual Valve Position Switch 

In automatic transmission. See Fig. 

57 . 

Brake Fluid Level Switch Connector 

On left side of brake fluid 

reservoir. See Fig. 43 . 

Coolant Level Switch 

In coolant reservoir. See Fig. 31 . 

Door Lock Switch - Rear 

Near right "D" pillar. See Fig. 38 . 

Engine Oil Level Switch 

On lower right side of oil pan. See 

Fig. 52 . 

Ignition Key Alarm Switch 

On ignition key cylinder. See Fig. 

47 . 

Ignition Switch 

On steering column. See Fig. 47 . 

Inflatable Restraint I/P Module Disable Switch 

Behind right side of dash. See Fig. 

63 . 

Liftgate Ajar Switch-Left 

At lower left side of liftgate. See 

Fig. 76 . 

Liftgate Ajar Switch-Right 

At lower right side of liftgate. See 

Fig. 76 . 

Park Brake Switch Connector 

Part of parking brake assembly. 

See Fig. 44 . 

 

2004 Hummer H2 

2004 GENERAL MOTORS Hummer H2

  

MISCELLANEOUS 

MISCELLANEOUS LOCATION 

PNP Switch 

On left side of transmission. See 

Fig. 58 . 

Seat Belt Switch Connector 

At right side of driver seat. See 

Fig. 60 . 

Stop Lamp Switch 

On top of brake pedal bracket. See 

Fig. 56 . 

Component 

Location 

Accessory Power Outlet-LR (Console) 

At rear of center console. See Fig. 6 . 

Accessory Power Outlet-RR (Console) 

At rear of center console. See Fig. 6 . 

Accessory Power Outlet-RR (Rear Cargo 
Storage Bin) 

At rear of rear cargo storage bin. See Fig. 

7 . 

Accessory Power Outlet (2) 

At center of dash. See Fig. 5 . 

Audio Amplifier 

Under front floor console, between front 

seats. See Fig. 68 . 

Battery 

At left side of engine compartment. See 

Fig. 63 . 

Cell Phone/GPS Antenna 

At left front of roof. See Fig. 64 . 

Cellular & Navigation Antenna 

At top left front of roof. See Fig. 68 . 

Cellular Telephone Microphone 

In left roof rail, forward of "B" pillar. See 

Fig. 33 . 

Data Link Connector (DLC) 

Under left side of dash, below steering 

column. See Fig. 16 . 

Electric Locking Differential Case 
Assembly 

Integral to lock differential. See Fig. 39 . 

Generator 

At top left of engine. See Fig. 46 . 

Global Positioning System (GPS) Antenna 
(I/P) 

On dash. See Fig. 69 . 

Heated Seat Element Connector-LR 

Under left side of 2nd row seat. See Fig. 

87 . 

Heated Seat Element Connector-RR 

Under right side of 2nd row seat. See Fig. 

87 . 

Heated Seat Element-Driver Cushion 

In driver seat. See Fig. 60 . 

Heated Seat Element-Driver Cushion 
Connector 

In driver seat. See Fig. 60 . 

Heated Seat Element-Passenger Cushion 
Connector (W/KA7) 

Under front passenger seat. See Fig. 86 . 

Horn Connector-High Note 

At horn. See Fig. 77 . 

Horn-High Note 

On left lower corner of radiator core 

 

2004 Hummer H2 

2004 GENERAL MOTORS Hummer H2

  

CONNECTORS 

CONNECTORS LOCATION 

support. See Fig. 77 . 

Horn-Low Note 

On right lower corner of radiator core 

support. See Fig. 77 . 

Ignition Coil 1 

At left side of engine. See Fig. 49 . 

Ignition Coil 2 

At right side of engine. See Fig. 50 . 

Ignition Coil 3 

At left side of engine. See Fig. 49 . 

Ignition Coil 4 

At right side of engine. See Fig. 50 . 

Ignition Coil 5 

At left side of engine. See Fig. 49 . 

Ignition Coil 6 

At right side of engine. See Fig. 50 . 

Ignition Coil 7 

At left side of engine. See Fig. 49 . 

Ignition Coil 8 

At right side of engine. See Fig. 50 . 

Junction Block - Battery Cable 

At left side of engine. See Fig. 46 . 

Locking Differential Coil Assembly 

Integral to lock differential. See Fig. 39 . 

Longnitudinal Accelerometer 

Behind center of dash. See Fig. 45 . 

Navigation Radio Antenna (UM8) 

Behind right side of dash. See Fig. 68 . 

Noise Cancellation Microphone 

Mounted inside overhead console. See Fig. 

70 . 

Parking Brake Assembly 

Under left side of dash. See Fig. 44 . 

Radio Antenna 

At right front of vehicle. See Fig. 69 . 

RCDLR (Part Of The Front Passenger Door 
Module) 

In front passenger door module. See Fig. 

71 . 

SIR Coil 

At top of steering column. See Fig. 35 . 

Starter 

At right rear of engine. See Fig. 46 . 

Stud #1 

On underhood fuse block. See Fig. 1 . 

Stud #2-Trailer Connector Power Feed 

On underhood fuse block. See Fig. 1 . 

Theft Deterrent Control Module Electric 
Park Lock 

In steering column. See Fig. 36 . 

Trailer Receptacle 

At rear bumper fascia. See Fig. 26 . 

Component 

Location 

C100 (Black, 16 Pin) 

Below underhood fuse block. See Fig. 97 . 

C101 (Black, 10 Pin) 

Below underhood fuse block. See Fig. 90 . 

C102 (Black, 12 Pin) 

On rear side of underhood fuse block. See Fig. 1 . 

C103 (Forward Lamp Harness Side) 
(Black, 14 Pin) 

Attached to front side of underhood fuse block. 

See Fig. 100 . 

C103 (I/P Harness Side) (Black, 14 
Pin) 

Attached to front side of underhood fuse block. 

See Fig. 100 . 

 

2004 Hummer H2 

2004 GENERAL MOTORS Hummer H2