Hummer H2 2008 - 2008 GENERAL MOTORS H2

Hummer H2 2008 - BUZZERS, RELAYS & TIMERS

Hummer H2 2008 BUZZERS, RELAYS & TIMERS LOCATION

Component	Location
A/C COMP Relay	In underhood fuse block. See Fig. 39.
Air Suspension Relay (1)	Mounted on left fender, behind battery. See Fig. 47.
DEFOG Relay	In I/P relay block. See Fig. 40.
DRIVER UNLOCK Relay	In I/P fuse block. See Fig. 41.
DRL Relay	In underhood fuse block. See Fig. 39.
FOG LP Relay	In underhood fuse block. See Fig. 39.
F/PMP Relay	In underhood fuse block. See Fig. 39.
HDLP-HI Relay	In underhood fuse block. See Fig. 39.
HDLP-LOW Relay	In underhood fuse block. See Fig. 39.
HORN Relay	In underhood fuse block. See Fig. 39.
LOCK Relay	In I/P fuse block. See Fig. 41.
REAR DEFOG Relay	In underhood fuse block. See Fig. 39.
RR FOG LP Relay	In I/P fuse block. See Fig. 41.
SPARE Relay	In I/P relay block. See Fig. 40.
STARTER Relay	In underhood fuse block. See Fig. 39.
UNLOCK Relay	In I/P fuse block. See Fig. 41.
W/S WASH Relay	In underhood fuse block. See Fig. 39.

Hummer H2 2008 - CIRCUIT PROTECTION DEVICES

Hummer H2 2008 CIRCUIT PROTECTION DEVICES LOCATION

Component	Location
Body Relay Block	Near parking brake assembly. See Fig. 20.
Fuse Block-Instrument Panel (7)	On lower left side of I/P, behind access panel. See Fig. 53.
Fuse Block-Underhood (3)	At left side of engine compartment, near battery. See Fig. 44.
Junction Block-Left I/P (9)	At lower left side of dash, to left of steering column. See Fig. 53.
Junction Block-Right I/P (2)	Right side of dash, behind end trim panel. See Fig. 53.

Hummer H2 2008 - CONTROL UNITS

Hummer H2 2008 CONTROL UNITS LOCATION

Component	Location
Air Suspension Control Module (11)	Center rear of vehicle, in front of trailer hitch. See Fig. 46.
Blower Motor Control Module-Auxilliary (3)	Rear of auxiliary HVAC module above blower motor-auxiliary. See Fig. 45.
Blower Motor Control Processor (7)	Behind right side of dash, on HVAC assembly. See Fig. 49.
Body Control Module (BCM) (8)	On lower left side of dash, to left of steering column. See Fig. 53.
Electronic Brake Control Module (ECBM) (2)	Behind fuse block-underhood, to left of brake fluid reservoir. See Fig. 44.
Engine Control Module (ECM) (5)	Below battery and fuse block-underhood. See Fig. 44.
Fuel Pump Flow Control Module (1)	Mounted to rear frame, near EVAP canister vent solenoid valve. See Fig. 59.
Heated Seat Control Module-Rear (3)	Under front of left rear second row seat. See Fig. 60.
Inflatable Restraint I/P Module (9)	Right side of dash, directly in front of passenger seat. See Fig. 52.
Inflatable Restraint Roof Rail Module-Left Front (3)	Behind rear side of left "C" pillar. See Fig. 64.
Inflatable Restraint Roof Rail Module-Left Rear (9)	Behind left side of headliner trim above quarter window. See Fig. 45.
Inflatable Restraint Roof Rail Module-Right Front (2)	Behind right side of headliner trim to rear of "C" pillar. See Fig. 65.
Inflatable Restraint Roof Rail Module-Right Rear (5)	Behind right side of headliner trim above quarter window. See Fig. 45.
Inflatable Restraint Sensing & Diagnostic Module (SDM) (7)	Under left front seat. See Fig. 64.
Inflatable Restraint Steering Wheel Module (4)	Under horn pad. See Fig. 52.
Memory Seat Module	Under driver seat. See Fig. 34.
Powertrain Control Module (PCM)	On left front of engine compartment. See Fig. 23.
Rear Window Wiper/Washer Module	At center of liftgate. See Fig. 32.
RSA Controller	At rear of center console. See Fig. 1.
Sunroof Module (10)	In front of headliner, near front overhead console. See Fig. 51.
Theft Deterrent Module (TDM) (5)	Near ignition key cylinder. See Fig. 63.
Transfer Case Shift Control Module	Behind headlight switch. See Fig. 2.
Transmission Control Module (TCM)	Part of automatic transmission.
Vehicle Communication Interface Module (4)	At center of dash, below HVAC control module. See Fig. 53.
Windshield Wiper/Washer Module	Under windshield cowl, between wiper arms. See Fig. 35.

Hummer H2 2008 - MOTORS

Hummer H2 2008 MOTORS LOCATION

Component	Location
Air Suspension Compressor 1 (9)	Center rear of vehicle, in front of trailer hitch. See Fig. 46.
Air Suspension Compressor 2 (10)	Center rear of vehicle, in front of trailer hitch. See Fig. 46.
Air Temperature Actuator-Auxiliary (2)	On the front of auxiliary HVAC module. See Fig. 45.
Air Temperature Actuator-Left (8)	Bottom center of HVAC module assembly. See Fig. 49.
Air Temperature Actuator-Right (10)	At middle top of HVAC assembly. See Fig. 49.
Blower Motor-Auxilliary (4)	Upper rear of auxiliary HVAC module. See Fig. 45.
Blower Motor (6)	At right lower side of dash, on HVAC assembly. See Fig. 49.
Encoder Motor	At rear of transfer case. See Fig. 18.
Engine Cooling Fan-Left (5)	Left front of engine compartment, near radiator. See Fig. 50.
Engine Cooling Fan-Right (8)	Right front of engine compartment, near radiator. See Fig. 50.
Fuel Pump & Sender Assembly (4)	In fuel tank. See Fig. 59.
Mode Actuator-Auxiliary (1)	Left front of auxiliary HVAC module assembly. See Fig. 45.
Mode Actuator (5)	On left side of HVAC assembly. See Fig. 49.
Rear Window Wiper Motor	At center of liftgate. See Fig. 35.
Recirculation Actuator (1)	On top front of HVAC assembly. See Fig. 49.
Seat Adjuster Motor Assembly-Driver (11)	Below driver seat mounted to seat track. See Fig. 70.
Seat Adjuster Motor Assembly-Passenger (7)	Below passenger seat mounted to seat track. See Fig. 71.
Seat Lumbar Horizontal Motor-Driver (5)	In driver seat back, on left. See Fig. 70.
Seat Lumbar Horizontal Motor-Passenger (9)	In passenger seat back, on right. See Fig. 71.
Seat Lumbar Vertical Motor-Driver (3)	In driver seat back, on right. See Fig. 70.
Seat Lumbar Vertical Motor-Passenger (3)	In passenger seat back, on left. See Fig. 71.
Seat Recline Motor-Driver (1)	Lower right side of driver seat back, below seat back. See Fig. 70.
Seat Recline Motor-Passenger (9)	Lower right side of passenger seat back, below seat back upholstery. See Fig. 71.
Starter	At lower right side of engine. See Fig. 38.
Transfer Case Encoder Motor	At left rear of transfer case assembly. See Fig. 19.
Window Motor-Driver	In driver door. See Fig. 29.
Window Motor-Front Passenger	In front passenger door. See Fig. 30.
Window Motor-LR	In left rear door. See Fig. 31.
Window Motor Midgate (5)	Inside midgate on left side. See Fig. 68.
Window Motor-RR	In right rear door. See Fig. 37.
Windshield Washer Fluid Pump (2)	In washer fluid reservoir. See Fig. 50.
Windshield Wiper Motor (3)	Under windshield cowl, between wiper arms. See Fig. 50.

Hummer H2 2008 - SENDING UNITS & SENSORS

Hummer H2 2008 SENDING UNITS & SENSORS LOCATION

Component	Location
A/C Refrigerant Pressure Sensor	On high pressure line near compressor.
Air Suspension Pressure Sensor (4)	Center rear of vehicle, in front of trailer hitch. See Fig. 46.
Air Suspension Sensor-LR (6)	At left rear frame rail, attached to top of frame. See Fig. 48.
Air Suspension Sensor-RR (3)	At right rear frame rail, attached to top of frame. See Fig. 48.
Air Temperature Sensor-Inside (13)	In left front headliner above driver. See Fig. 51.
Air Temperature Sensor-Lower Left (4)	Near middle left side of dash, under left round discharge duct. See Fig. 49.
Air Temperature Sensor-Lower Right (9)	Near middle right side of dash, in front of rectangular discharge duct. See Fig. 49.
Air Temperature Sensor-Upper Left (3)	At top rear of dash, below dash trim panel to left of ambient light/sunload sensor. See Fig. 49.
Air Temperature Sensor-Upper Right (2)	At top rear of dash, below dash trim panel to right of ambient light/sunload sensor. See Fig. 49.
Ambient Air Temperature Sensor-HVAC (10)	To right of radiator support. See Fig. 50.
Ambient Light/Sunload Sensor Assembly (5)	On top center of dash. See Fig. 52.
APP Sensor	Above accelerator pedal assembly. See Fig. 21.
APP Sensor Connector	At APP sensor. See Fig. 21.
Automatic Transmission Input & Output Speed Sensor Assembly (2)	Inside automatic transmission. See Fig. 54.
Automatic Transmission Internal Mode Switch (IMS). (3)	Inside automatic transmission. See Fig. 54.
Battery Current Sensor	Part of negative battery cable assembly.
Camshaft Position (CMP) Sensor (8)	Front of engine above crank pulley. See Fig. 56.
Crankshaft Position (CKP) Sensor	At lower right rear side of engine block, behind starter solenoid. See Fig. 22.
Engine Coolant Temperature (ECT) Sensor (10)	Left side of engine block, between cylinder #3 and cylinder #5. See Fig. 58.
Engine Oil Pressure (EOP) Sensor (8)	On rear side of engine block, behind intake manifold. See Fig. 58.
Fuel Pressure Sensor	Mounted to left side of frame assembly.
Fuel Tank Pressure (FTP) Sensor (5)	On fuel tank, integral to fuel pump & sender assembly. See Fig. 59.
Heated Oxygen Sensor (HO2S)-Bank 1 Sensor 1	In left side of exhaust, before catalytic converter. See Fig. 25.
Heated Oxygen Sensor (HO2S)-Bank 1 Sensor 2	In left side of exhaust, after catalytic converter. See Fig. 25.
Heated Oxygen Sensor (HO2S)-Bank 2 Sensor 1	In right side of exhaust, before catalytic converter. See Fig. 25.
Heated Oxygen Sensor (HO2S)-Bank 2 Sensor 2	In right exhaust pipe, after catalytic converter. See Fig. 25.
Inflatable Restraint Front End Sensor-Left (6)	Bottom of radiator core support, on left side. See Fig. 50.
Inflatable Restraint Front End Sensor-Right (7)	Bottom of radiator core support, on right side. See Fig. 50.
Inflatable Restraint Side Impact Sensor (SIS)-Left Front (15)	Inside driver door. See Fig. 66.
Inflatable Restraint Side Impact Sensor (SIS)-Left Rear (11)	Inside left rear door. See Fig. 67.
Inflatable Restraint Side Impact Sensor (SIS)-Right Front (12)	Inside passenger door. See Fig. 66.
Inflatable Restraint Side Impact Sensor (SIS)-Right Rear (8)	Inside right rear door. See Fig. 67.
Inflatable Restraint Vehicle Rollover Sensor (5)	Below center console, in front of audio amplifier. See Fig. 64.
Intake Air Temperature (IAT)/Mass Airflow (MAF) Sensor (6)	In air induction tube. See Fig. 44.
Knock Sensor (KS) 1 (9)	Lower left side of engine. See Fig. 58.
Knock Sensor (KS) 2 (14)	Lower right side of engine, in front of starter. See Fig. 56.
Knock Sensor Pigtail	At top of engine. See Fig. 24.
Manifold Absolute Pressure (MAP) Sensor (5)	On top rear of engine, on intake manifold. See Fig. 56.
Seat Lumbar Horizontal Motor Position Sensor-Driver (6)	In driver seat back, on left. See Fig. 70.
Seat Lumbar Vertical Motor Position Sensor-Driver (2)	In driver seat back, on right. See Fig. 70.
Seat Recline Motor-Driver	Lower right side of driver seat, below seat back.
Seat Recline Position Sensor-Driver (7)	Lower right side of driver seat back, below seat back upholstery. See Fig. 70.
Steering Angle Sensor (2)	Mounted to steering column, below shift interlock solenoid. See Fig. 63.
Vehicle Inclination Sensor (SPO Theft)	Behind left dash knee bolster.
Vehicle Shock Sensor (SPO Theft)	Under left side of dash.
Vehicle Speed Sensor (VSS)	On rear of transfer case assembly, above output shaft. See Fig. 27.
Wheel Speed Sensor (WSS)-LF (RF Similar) (3)	On front wheel hub assembly. See Fig. 47.
Wheel Speed Sensor (WSS)-LR (RR Similar) (6)	On rear wheel hub assembly. See Fig. 48.
Yaw And Lateral Accelerometer Sensor (5)	Under center console trim panel. See Fig. 64.

Hummer H2 2008 - SOLENOIDS & SOLENOID VALVES

Hummer H2 2008 SOLENOIDS & SOLENOID VALVES LOCATION

Component	Location
A/C Compressor Clutch (11)	At lower right front of engine. See Fig. 56.
Air Suspension Inlet Valve	Center rear of vehicle, in front of trailer hitch.
Automatic Transmission Shift Lock Control Solenoid (6)	Part of automatic transmission shift lever. See Fig. 55.
Camshaft Position (CMP) Actuator Solenoid Valve (7)	Front of engine, behind water pump. See Fig. 56.
Control Solenoid Valve Assembly (1)	In automatic transmission. See Fig. 54.
Differential Lock Actuator (1)	On rear axle, at top of differential housing. See Fig. 57.
Door Latch Assembly-Driver	Inside driver door, below outside door handle. See Fig. 29.
Door Latch Assembly-LR (RR Similar)	At rear of door. See Fig. 31.
Door Latch Assembly-Passenger	Inside passenger door below outside door handle. See Fig. 30.
Door Lock Actuator-Left Rear	Part of left rear door latch.
Door Lock Actuator-Liftgate	At lower center of liftgate. See Fig. 32.
Door Lock Actuator-Right Rear	Part of right rear door latch.
Evaporative Emission (EVAP) Canister Purge Solenoid (Valve) (2)	Mounted to intake manifold, on left side near injector #1. See Fig. 58.
Evaporative Emissions (EVAP) Canister Vent Solenoid Valve (2)	Lower right rear of vehicle, on evaporative emission canister. See Fig. 59.
Fuel Injector 1 (13)	Upper left side of engine, at cylinder #1. See Fig. 58.
Fuel Injector 2 (9)	Upper right side of engine, at cylinder #2. See Fig. 56.
Fuel Injector 3 (4)	Upper left side of engine, at cylinder #3. See Fig. 58.
Fuel Injector 4 (12)	Upper right side of engine, at cylinder #4. See Fig. 56.
Fuel Injector 5 (5)	Upper left side of engine, at cylinder #5. See Fig. 58.
Fuel Injector 6 (4)	Upper right side of engine, at cylinder #6. See Fig. 56.
Fuel Injector 7 (7)	Upper left side of engine, at cylinder #7. See Fig. 58.
Fuel Injector 8 (2)	Upper right side of engine, at cylinder #8. See Fig. 56.
Ignition Lock Cylinder Control Solenoid (3)	In upper steering column, on ignition key cylinder. See Fig. 63.
Rear Differential Lock Actuator	On rear axle, at top of differential housing. See Fig. 17.

Hummer H2 2008 - SWITCHES

Hummer H2 2008 SWITCHES LOCATION

Component	Location
A/C Low Pressure Switch (7)	On right side of a/c accumulator. See Fig. 44.
A/C Refrigerant Pressure Switch	At right front of engine. See Fig. 12.
Air Suspension Inflator Switch	Near right "D" pillar. See Fig. 15.
Air Suspension Inflator Switch Connector	At right rear frame body mount. See Fig. 10.
Automatic Transmission Fluid Pressure (TFP) Manual Valve Position Switch	In automatic transmission. See Fig. 27.
Brake Fluid Level Switch (1)	Mounted to lower left side of master cylinder. See Fig. 44.
Center Console Compartment Lamp Switch (1)	At right side rear of center console storage bin. See Fig. 55.
Door Lock Switch-Rear	Near right "D" pillar. See Fig. 15.
Engine Oil Level Switch	On lower right side of oil pan. See Fig. 23.
Hood Ajar Switch	Part of hood latch assembly.
Ignition Switch (6)	In upper steering column on ignition key cylinder housing. See Fig. 63.
Inflator Air Switch (8)	Right rear of cargo area near "D" pillar. See Fig. 45.
Liftgate Ajar Switch-Left	At lower left side of liftgate. See Fig. 32.
Liftgate Ajar Switch-Right	At lower right side of liftgate. See Fig. 32.
Midgate Latch Switch-Left (3)	In midgate near left latch assembly. See Fig. 68.
Midgate Latch Switch-Right (2)	In midgate near right latch assembly. See Fig. 68.
Park Brake Switch Connector	Part of parking brake assembly. See Fig. 20.
Stop Lamp Switch	On top of brake pedal bracket. See Fig. 26.
Windshield Washer Fluid Level Switch (1)	Left front corner of engine compartment, mounted in bottom of windshield washer fluid reservoir. See Fig. 50.

Hummer H2 2008 - MISCELLANEOUS

Hummer H2 2008 MISCELLANEOUS LOCATION

Component	Location
Accessory Power Outlet-Cargo	Right rear side of cargo box.
Accessory Power Outlet-Rear (7)	Mounted in trim panel, below right D-pillar. See Fig. 45.
Audio Amplifier (6)	Under front floor console, between front seats. See Fig. 64.
Audio Video Adapter (14)	Rear of center console, below rear seat audio control. See Fig. 52.
Battery (4)	At left side of engine compartment. See Fig. 44.
Cell Phone/GPS Antenna	At left front of roof. See Fig. 28.
Cellular & Navigation Antenna	At top left front of roof. See Fig. 96.
Cellular Telephone Microphone (12)	LF headliner, driver side. See Fig. 51.
Data Link Connector (DLC)	Lower left side of instrument panel, to left of steering column. See Fig. 5.
Data Link Resistor	On rear chassis crossmember, near evaporative emission canister.
Digital Radio Receiver (1)	Behind glove box. See Fig. 53.
Electric Locking Differential Case Assembly	Integral to lock differential. See Fig. 16.
Generator	At top left of engine. See Fig. 38.
Global Positioning System (GPS) Antenna (I/P)	On dash. See Fig. 96.
Heated Seat Element-Driver Back (1)	Under driver seat back upholstery. See Fig. 61.
Heated Seat Element-Driver Cushion (2)	In driver seat cushion. See Fig. 61.
Heated Seat Element-Left Rear Cushion (2)	Under left rear seat cushion upholstery. See Fig. 60.
Heated Seat Element-Passenger Back (1)	Under passenger seat back upholstery. See Fig. 62.
Heated Seat Element-Passenger Cushion (2)	In passenger seat cushion. See Fig. 62.
Heated Seat Element-Right Rear Cushion (1)	Under right rear seat cushion upholstery. See Fig. 60.
Horn Connector-Left	At horn. See Fig. 33.
Horn-Left (4)	Near radiator core support, to left of radiator. See Fig. 50.
Horn-Right (11)	Near radiator core support, to right side of radiator. See Fig. 50.
Ignition Coil (1)	At left side of engine. See Fig. 58.
Ignition Coil 2 (10)	At right side of engine. See Fig. 56.
Ignition Coil 3 (12)	At left side of engine. See Fig. 58.
Ignition Coil 4 (13)	At right side of engine. See Fig. 56.
Ignition Coil 5 (3)	At left side of engine. See Fig. 58.
Ignition Coil 6 (3)	At right side of engine. See Fig. 56.
Ignition Coil 7 (6)	At left side of engine. See Fig. 58.
Ignition Coil 8 (1)	At right side of engine. See Fig. 56.
Inflatable Restraint Steering Wheel Module Coil (1)	On steering column, behind steering wheel. See Fig. 63.
Infrared Transmitter (3)	In roof-mounted dvd system. See Fig. 94.
Junction Block-Battery Cable	Part of positive battery cable assembly.
Locking Differential Coil Assembly	Integral to lock differential. See Fig. 16.
Midgate Latch-Left (4)	Inside left side of midgate, behind midgate trim panel. See Fig. 68.
Midgate Latch-Right (1)	Inside right side of midgate, behind midgate trim panel. See Fig. 68.
Parking Brake Assembly	Under left side of dash. See Fig. 20.
Radio Antenna	At right front of vehicle. See Fig. 96.
Rearview Camera (10)	Center of rear bumper, above trailer hitch receiver. See Fig. 69.
Remote Control Door Lock Receiver (RCDLR) (5)	Center of instrument panel, below trim panel to left of clock. See Fig. 53.
Seat Belt Pretensioner-Driver (1)	Part of driver seat belt retractor assembly. See Fig. 64.
Seat Belt Pretensioner-Passenger (3)	Part of passenger seat belt retractor assembly. See Fig. 65.
SIR Coil	At top of steering column. See Fig. 13.
Theft Deterrent Control Module Electric Park Lock	In steering column. See Fig. 14.
Throttle Body Assembly (6)	Top of engine, mounted to front of intake manifold. See Fig. 56.
Video Display (4)	In headliner, between front and second row seating. See Fig. 94.
Windshield Washer Solvent Heater	Left rear corner of engine compartment.

Hummer H2 2008 - CONNECTORS

Hummer H2 2008 CONNECTORS LOCATION

Component	Location
Trailer Connector (11)	At rear of vehicle, below rear bumper. See Fig. 69.
X100 (24 Pin) (7)	Below underhood fuse block. See Fig. 73.
X103 (Black, 16 Pin) (2)	Attached to front side of underhood fuse block. See Fig. 72.
X104 (Black, 24 Pin) (6)	Near underhood fuse block. See Fig. 73.
X107 (Black, 2 Pin) (1)	Near underhood fuse block. See Fig. 72.
X110 (Black, 8 Pin) (2)	Left rear corner of engine compartment. See Fig. 73.
X111 (Black, 6 Pin) (8)	Left side of engine compartment, on fender well near fuse block-underhood. See Fig. 73.
X120 (Black, 5 Pin) (2)	Lower left front of engine, left of crankshaft balancer. See Fig. 74.
X148 (Light Gray, 7 Pin) (6)	In engine harness to left ignition coil harness, above rocker cover. See Fig. 75.
X158 (Light Gray, 7 Pin) (4)	In engine harness to right ignition coil harness, above rocker cover. See Fig. 75.
X200 (Black, 16 Pin) (5)	Left side of dash, under kick panel. See Fig. 76.
X201 (Gray, 22 Pin) (4)	Below steering column, in back of driver knee bolster. See Fig. 76.
X204 (Black, 40 Pin) (1)	Behind left side of dash, near I/P harness to engine compartment pass through. See Fig. 76.
X205 (Black, 18 Pin) (3)	Below left side of dash, near steering column. See Fig. 76.
X207 (Yellow, 4 Pin) (4)	Below dash, behind driver side kick panel. See Fig. 80.
X208 (Black, 16 Pin) (7)	Left side of dash, behind kick panel. See Fig. 76.
X209 (Black, 2 Pin)	At security indicator jumper harness to SPO theft harness.
X290 (Black, 18 Pin) (3)	Behind passenger side kick panel, near floor. See Fig. 77.
X295 (Black, 4 Pin) (5)	Behind passenger side kick panel, near floor. See Fig. 77.
X296 (Yellow, 2 Pin) (4)	Behind passenger side kick panel, near floor. See Fig. 77.
X298 (Black, 16 Pin) (1)	Behind right kick panel. See Fig. 77.
X300 (Black, 8 Pin) (4)	Left side of midgate. See Fig. 79.
X303 (Black, 30 Pin) (7)	Under driver seat. See Fig. 80.
X304 (Black, 16 Pin) (2)	In overhead console. See Fig. 81.
X305 (Black, 30 Pin) (8)	Under passenger seat. See Fig. 82.
X307 (Black, 8 Pin) (1)	Below right rear seat. See Fig. 83.
X308 (Black, 8 Pin) (4)	Below left rear seat. See Fig. 84.
X310 (Black, 17 Pin)	At left side "B" pillar. See Fig. 31.
X315 (Black, 8 Pin) (4)	Under vehicle, near left side frame rail, below driver seat area. See Fig. 85.
X320 (Black, 8 Pin) (6)	In center console, below automatic transmission shift lever. See Fig. 80.
X324 (Black, 18 Pin) (4)	In back of driver seat. See Fig. 70.
X325 (Black, 6 Pin) (2)	In back of passenger seat. See Fig. 71.
X329 (Black 6 Pin)	In driver's seat harness, under driver's seat. See Fig. 97.
X334 (Black, 2 Pin) (4)	In center console, below automatic transmission shift lever. See Fig. 55.
X350 (Black, 40 Pin) (6)	In center console, below automatic transmission shift lever. See Fig. 77.
X400 (Black, 8 Pin) (3)	Below right rear corner of vehicle. See Fig. 78.
X401 (Black, 2 Pin) (9)	Right rear of vehicle, behind the bumper. See Fig. 85.
X402 (Black, 2 Pin) (2)	Below right rear corner of vehicle. See Fig. 78.
X406 (Black, 4 Pin) (2)	At rear roof line, above liftgate opening. See Fig. 86.
X408 (12 Pin) (2)	Right rear of cargo area, behind passenger side trim panel. See Fig. 83.
X411 (Black, 8 Pin) (1)	Below vehicle, in left rear corner near frame. See Fig. 85.
X412 (Black, 8 Pin) (10)	Below vehicle, in right rear corner near frame. See Fig. 85.
X413 (6 Pin) (12)	Under left rear corner of vehicle, near left rear body mount. See Fig. 85.
X450 (Black, 2 Pin) (12)	At rear underside of vehicle, near air suspension compressor assembly. See Fig. 46.
X451 (Black, 24 Pin) (1)	At rear underside of vehicle, near front of air suspension compressor assembly. See Fig. 46.
X500 (Black, 8 Pin) (2)	In driver side kick panel. See Fig. 87.
X600 (Black, 4 Pin) (5)	In passenger side kick panel. See Fig. 82.
X700 (Black, 17 Pin) (9)	At left side "B" pillar. See Fig. 80.
X800 (Black, 17 Pin) (3)	At right side "B" pillar. See Fig. 88.
X900 (Gray, 12 Pin)	At rear roof line, above liftgate opening. See Fig. 36.
X901 (Black, 12 Pin)	At liftgate harness to liftgate jumper harness.

Hummer H2 2008 - GROUNDS

Hummer H2 2008 GROUNDS LOCATION

Component	Location
Fuel Tank Filler Ground	At left rear frame body mount. See Fig. 9.
G100 (5)	On left front frame body mount. See Fig. 72.
G101 (6)	Right front corner of vehicle on frame rail near front tow hook. See Fig. 72.
G102 (3)	At left front side of engine block. See Fig. 74.
G103 (4)	On front of right cylinder head. See Fig. 74.
G104 (5)	At rear of left cylinder head. See Fig. 75.
G106	On rear of engine compartment, near left cylinder head. See Fig. 3.
G200	On left side of dash, behind left kick panel. See Fig. 4.
G203	At lower right side of dash, behind right kick panel.
G300	On left side body mount, in front of driver door. See Fig. 95.
G301 (9)	Under passenger seat, near X305. See Fig. 82.
G302	In left "B" pillar behind trim panel. See Fig. 6.
G304 (8)	On right side middle body mount, near second row seating area. See Fig. 85.
G306	In right "B" pillar, behind trim panel. See Fig. 7.
G310	At left frame body mount, under left rear passenger door. See Fig. 8.
G320	Left side of midgate assembly, near X300.
G401	At left rear frame body mount. See Fig. 9.
G402	Attached to front of air suspension mounting bracket.
G403 (3)	At left rear of passenger compartment, near midgate behind trim panel. See Fig. 84.
G405 (11)	At right rear frame body mount. See Fig. 85.
G410 (3)	On passenger side rear of body, near "D" pillar behind trim panel. See Fig. 83.

Hummer H2 2008 - SPLICES

Hummer H2 2008 SPLICES LOCATION

Component	Location
JP410	Inside right rear cargo area, at middle of right rear "D" pillar. See Fig. 11.
JX205 (2)	Below left side of dash, to left of steering column. See Fig. 76.
JX206 (8)	Below left side of dash, near instrument panel to engine compartment pass through. See Fig. 76.
JX207 (2)	On left side of dash, near left kick panel. See Fig. 80.
J100 (4)	In forward lamp harness, 28 cm from junction of left horn harness to forward lamp harness, along left front of radiator support. See Fig. 72.
J101 (7)	In forward lamp harness, 5 cm from ambient temperature sensor harness to forward lamp harness, at right front of radiator support. See Fig. 72.
J102 (1)	In engine harness, 4 cm from knock sensor connector harness junction to engine harness. See Fig. 75.
J103 (3)	In engine harness, 10 cm from junction of fuel injector No. 3 harness to engine harness. See Fig. 75.
J107 (8)	In forward lamp harness, 5 cm from breakout to left horn. See Fig. 72.
J108 (3)	In forward lamp harness, 10 cm from breakout to right horn. See Fig. 72.
J110 (2)	In chassis harness, 8 cm from fuse block underhood X3 breakout. See Fig. 89.
J127	Speed sensor jumper internal to transmission.
J130 (2)	In engine harness, 16 cm from engine control module breakout. See Fig. 75.
J140	In ignition coil jumper harness, between ignition coils 5 & 7, 3 cm from ignition coil 5 breakout.
J141	In ignition coil jumper harness, between ignition coils 5 & 7, 3 cm from ignition coil 5 breakout.
J142	In ignition coil jumper harness, 5 cm from X111 breakout, between the breakouts for ignition coils 3 & 5.
J160	In ignition coil jumper harness, between ignition coils 4 & 2, 3 cm from ignition coil 4 breakout.
J161	In ignition coil jumper harness, between ignition coils 4 & 2, 3 cm from ignition coil 4 breakout.
J162	In ignition coil jumper harness, 5 cm from X111 breakout, between breakouts for ignition coils 4 & 6.
J201	In infotainment harness in X350 breakout, 6 cm from main harness.
J203 (3)	In I/P harness, in fuse block - I/P X1 breakout, 29 cm from fuse block I/P X1. See Fig. 92.
J204 (12)	In I/P harness, in fuse block - I/P X1 breakout, 24 cm from fuse block - I/P X1. See Fig. 92.
J205 (11)	In I/P harness, in fuse block - I/P X1 breakout, 19 cm from fuse block - I/P X1. See Fig. 92.
J212	In steering column harness, between X201 & ignition switch. See Fig. 93.
J213	In steering column harness, between ignition switch & body control module. See Fig. 93.
J214 (14)	In I/P harness, 5 cm from driver information center breakout. See Fig. 92.
J215 (1)	In I/P harness, 6 cm from HVAC control module breakout. See Fig. 92.
J217 (4)	In I/P harness, 25.4 cm down from headlight panel dimmer switch. See Fig. 92.
J218	In steering column harness.
J219	In steering column harness.
J220 (8)	In the I/P harness, 5 cm from X205 breakout. See Fig. 92.
J221 (9)	In I/P harness, 10 cm from X205 breakout. See Fig. 92.
J222 (10)	In I/P harness, 5 cm from engine compartment pass through. See Fig. 92.
J225 (6)	In I/P harness, 7.5 cm from window switch - global breakout. See Fig. 92.
J227	In SPO theft accessory harness.
J228	In SPO theft accessory harness.
J229	In SPO theft accessory harness.
J230 (7)	In I/P harness in body control module breakout, 5 cm from JX205 breakout. See Fig. 92.
J231 (2)	In I/P harness, 5 cm from transfer case control module breakout. See Fig. 92.
J232 (15)	In I/P harness, 14 cm from breakout to X298. See Fig. 92.
J233 (16)	In I/P harness, 9 cm from breakout to X298. See Fig. 92.
J234 (13)	In I/P harness, in transfer case control module breakout, 7 cm from breakout. See Fig. 92.
J235	In steering wheel harness between right & left steering wheel control switches.
J278 (5)	In I/P harness in window switch - global breakout, 10 cm from breakout. See Fig. 92.
J296	In steering column harness.
J300 (5)	In headliner harness, at top of left "A" pillar, near corner of windshield. See Fig. 81.
J301 (4)	In headliner harness, at top of left "A" pillar, near corner of windshield. See Fig. 81.
J303	In roof-marker harness, 22 cm from right front marker lamp connector. See Fig. 28.
J310 (12)	In body harness, 14 cm from G301 breakout. See Fig. 90.
J320 (7)	In body harness, 8.5 cm from right "B" pillar courtesy lamp harness junction to body harness. See Fig. 90.
J321	In overhead console harness.
J332 (5)	In body harness, 12 cm from marker lamp - left rear breakout. See Fig. 90.
J333 (4)	In body harness, 15 cm from marker lamp - left rear breakout. See Fig. 90.
J334 (5)	In midgate harness, 10 cm from midgate latch - right breakout. See Fig. 79.
J335 (7)	In midgate harness, 13 cm from midgate latch - left breakout. See Fig. 79.
J336 (1)	In midgate harness, 13 cm from left midgate latch breakout. See Fig. 79.
J337 (6)	In midgate harness, 40 cm from midgate latch - right breakout. See Fig. 79.
J338 (2)	In midgate harness, 5 cm from midgate latch - left breakout. See Fig. 79.
J339 (3)	In midgate harness, 5 cm from midgate latch release switch - right breakout. See Fig. 79.
J340 (9)	In body harness, 10 cm from seat belt pretensioner - driver breakout. See Fig. 90.
J341 (10)	In body harness, 5 cm from inflatable restraint sensing & diagnostic module breakout. See Fig. 90.
J342 (11)	In body harness, 5 cm from X220 breakout. See Fig. 90.
J345	In roof marker harness, 16.5 cm from junction of right center roof lamp connector to roof marker harness. See Fig. 28.
J351 (2)	In console harness, 28.5 cm from junction of body harness in-line X320 to floor console harness. See Fig. 91.
J352 (3)	In console harness, 16 cm from console bin lamp breakout. See Fig. 91.
J355 (1)	In chassis harness, 5 cm from electronic brake control module X2 breakout. See Fig. 89.
J356 (3)	In chassis harness, 20 cm from air suspension relay main harness breakout. See Fig. 89.
J358 (10)	In chassis harness, 10 cm from G300 breakout. See Fig. 89.
J360 (9)	In chassis harness, 10 cm from fuel pump flow control module main harness breakout. See Fig. 89.
J375	In chassis harness, 63.5 cm from rear differential lock actuator, on chassis harness.
J376	In chassis harness, 63.5 cm down from rear differential lock actuator, on chassis harness.
J380	In passenger seat harness, 21 cm from seat adjuster switch, between lumbar bolster switch & seat adjuster switch, on right side of seat.
J381	In passenger seat harness, 16 cm from lumbar bolster switch between seat adjuster switch & lumbar switch on right side of seat.
J390	In body harness, at left side near "B" pillar, 18.5 cm from junction of SIR module & driver seat harness to body harness. See Fig. 43.
J393	In right rear seat harness, 34 cm from heated seat module towards inline connector X380.
J400	In chassis harness, at right rear frame rail, 15 cm from junction of right rear air suspension sensor to chassis harness.
J401	In chassis harness, at right rear frame rail, 30 cm from junction of right rear air suspension harness to chassis harness.
J402	In chassis harness, 33 cm from G405 breakout.
J403 (7)	In chassis harness, 39 cm from G401 breakout. See Fig. 89.
J404 (8)	In chassis harness, 15 cm from G401 breakout. See Fig. 89.
J405 (6)	In chassis harness, 13 cm from G405 main harness breakout. See Fig. 89.
J406 (4)	In chassis harness, 19 cm from rear differential lock actuator breakout. See Fig. 89.
J407 (5)	In air chassis harness, 23 cm from data link resistor breakout. See Fig. 89.
J408	In air suspension harness at rear underside of vehicle.
J409	In air suspension harness at rear underside of vehicle.
J410 (1)	In body harness, 10 cm from X900 breakout. See Fig. 90.
J411 (8)	In body harness, 15.2 cm from junction of left rear marker lamp to body harness. See Fig. 90.
J412	In body harness, 27.5 cm from junction of left rear side marker lamp to body harness. See Fig. 42.
J414	In air suspension harness, at rear underside of vehicle.
J480	In body harness, 28 cm from junction of X420. See Fig. 42.
J720	In right rear door harness, 12 cm from junction of speaker connector harness to door harness.
J820	11.5 cm from junction of door courtesy lamp connector harness to door harness.
J900	At left side of liftgate, near junction of right rear defogger connector to liftgate harness. See Fig. 32.
J901	At lower right side of liftgate, 10 cm from junction of rear wiper motor connector to liftgate harness. See Fig. 32.
J902	At lower right side of liftgate, 6.5 cm from right liftgate ajar switch junction to liftgate harness. See Fig. 32.