TRANSMISSION – Hummer H2 2008 – SYSTEM WIRING DIAGRAMS

TRANSMISSION

A/T Wiring Diagram (1 of 2) for Hummer H2 2008

List of elements for A/T Wiring Diagram (1 of 2) for Hummer H2 2008:

• (10 cm from junction of fuel injector 3 harness to engine harness) j103
• (on front of right cylinder head) g103
• (on lower left side of i/p to the left of steering column) body control module (bcm)
• Acc
• Accy wakeup serial data
• Automatic transmission
• Aux hvac- ign fuse 41 10a
• Batt +
• Brake switch sig
• Computer data lines system
• Control solenoid valve assembly
• Driver information center (dic)
• Engine control module (ecm) (left front of engine compt below battery & fuse block underhood)
• Exterior lights system
• Gmlan data bus+
• Gmlan data bus-
• Gnd
• High spd ser data bus +
• High spd ser data bus -
• Hot at all times
• Hot w/ run/crnk relay energized
• Ign voltage
• Ignition switch
• Ignition voltage
• Instrument cluster panel (ipc)
• J130 (in engine harness, 16 cm from engine control module breakout)
• J213 (in steering column harness, between ignition switch & body control module)
• Left i/p junction block (lower left side of dash to left of steering column)
• Lock
• Logic
• Low reference
• Misc ign fuse 37 10a
• Park/neutral sig
• Pc solenoid 1 control
• Pc solenoid 2 control
• Pc solenoid 3 control
• Pc solenoid 4 control
• Pc solenoid 5 control
• Pc solenoid high control
• Pnk
• Power distribution system
• Pressure control (pc) solenoid valve 1
• Pressure control (pc) solenoid valve 2
• Pressure control (pc) solenoid valve 3
• Pressure control (pc) solenoid valve 4
• Pressure control (pc) solenoid valve 5
• Run
• Shift solenoid (ss) 1 control
• Shift solenoid (ss) 2 control
• Shift solenoid (ss) valve 1
• Shift solenoid (ss) valve 2
• Start
• Stop lamp switch (on top of brake pedal bracket)
• Tan
• Tcm-batt fuse 12 15a
• To internal mode switch (diagram 2 of 2)
• Torque converter clutch (tcc) pressure control (pc) solenoid valve
• Torque converter clutch pressure control solenoid control
• Tow/ haul ind
• Trans ign1 fuse 17 15a
• Transmission control module (tcm)
• Transmission fluid temperature (tft) sensor
• Transmission fluid temperature (tft) sensor signal
• Underhood fuse block (at left side of engine compt, near battery)
• Vss high signal
• Vss low signal

A/T Wiring Diagram (2 of 2) for Hummer H2 2008

List of elements for A/T Wiring Diagram (2 of 2) for Hummer H2 2008:

• (diagram 1 of 2)
• (in steering wheel harness between right & left steering wheel control switches) j235
• 12-vol ref
• Automatic transmission
• Automatic transmission fluid pressure (tfp) manual valve position switch
• Body control module (bcm) (on lower left side of i/p to the left of steering column)
• Computer data lines system
• Control solenoid valve assembly
• From automatic transmission a
• Ftp switch 1 voltage
• Ftp switch 3 voltage
• Ftp switch 4 voltage
• Ftp switch 5 voltage
• G200 (on left side of dash, behind left kick panel)
• Gmlan serial data bus +
• Gmlan serial data bus -
• I/p multi-function switch
• Inflatable restraint steering wheel module coil x2 (under horn pad)
• Input speed sensor (iss)
• Input speed sensor (oss) signal
• Internal mode switch
• J127
• J217
• Left steering wheel control switch
• Output speed sensor (oss)
• Output speed sensor (oss) signal
• P/n
• Pnk
• Red
• Sound systems
• Tan
• Tap up/ tap down sw sig
• Tow/haul switch
• Tow/haul switch signal
• Transmission control module (tcm)
• Transmission range switch sig a
• Transmission range switch sig b
• Transmission range switch sig c
• Transmission range switch sig p
• Vehicle speed sensor (vss) (on rear of transfer case assembly above output shaft)

Transfer Case Wiring Diagram for Hummer H2 2008

List of elements for Transfer Case Wiring Diagram for Hummer H2 2008:

• (on lower left side of i/p to the left of steering column) body control module (bcm)
• 4 hi
• 4 hi ind control
• 4 hi lock
• 4 lo ind control
• 4 lo lock
• 4 wd ind control
• 4-hi ind
• 4-hi lock ind
• 4-lo lock ind
• 4wd ind
• 5-volt reference
• Acc
• Aux hvac- ign fuse 41 10a
• Battery positive vol
• Body control module (bcm) (on lower left side of i/p to the left of steering column)
• Channel a encoder sig
• Channel b encoder sig
• Channel c encoder sig
• Channel p encoder sig
• Computer data lines system
• Diff lock ind ctrl
• Diff lock sw sig
• Differential lock actuator (on rear axle at top of differential housing)
• Differential lock ind
• Differential lock switch
• Driver information center (dic)
• G104 (at rear of left cylinder head)
• Ground
• Hot at all times
• Hot w/ run/crank relay energized
• Hot w/ run/crnk relay energized
• I/p multi-function switch
• Ignition switch
• Ignition voltage
• Instrument panel cluster (ipc)
• Interior lights system
• J102
• J231 (w/ rear window intermittent wiper) (in i/p harness, 5 cm from transfer case control module breakout)
• J234 (in i/p harness, in transfer case control module breakout, 7 cm from breakout)
• Left i/p junction block (lower left side of dash to left of steering column)
• Lock
• Lock actuator ctrl
• Logic
• Low reference
• Misc ign fuse 37 10a
• Motor control a
• Motor control b
• Nca
• Neutral
• Neutral ind
• Neutral ind ctrl
• Pnk
• Power distribution system
• Rear wiper/ washer sw x5
• Run
• Serial data bus+
• Serial data bus-
• Start
• Switch signal
• Tan
• Transfer case encoder motor (at left rear of transfer case assembly)
• Transfer case shift control module (behind headlight switch)
• Transfer case shift control switch
• Trec fuse 58 30a
• Underhood fuse block (at left side of engine compt, near battery)
• Wakeup serial data
• Wiper/washer system
• X5 f1