COMPUTER DATA LINES – GMC Cab & Chassis Sierra 3500 HD 2009 – SYSTEM WIRING DIAGRAMS

COMPUTER DATA LINES

Computer Data Lines Wiring Diagram (1 of 2) for GMC Cab & Chassis Sierra 3500 HD 2009

List of elements for Computer Data Lines Wiring Diagram (1 of 2) for GMC Cab & Chassis Sierra 3500 HD 2009:

• (in body harness, below passenger seat) splice pack jx339
• (in i/p extension harness, behind left side of dash) splice pack jx223
• (lower left side of dash) left i/p junction block
• (not used)
• (upfitter provisional)
• 2 or more
• 3b1
• Audio amplifier (if equipped) (under rear of center console)
• Body control module (bcm) (lower left side of dash)
• Chime module (center of dash, behind radio)
• Data link connector (dlc) (lower left side of dash)
• Digital radio receiver (behind right end of dash)
• Digital radio receiver (if equipped) (behind right end of dash)
• Driver door lock/window switch
• G200 (on right front corner of hvac module)
• G201 (upper left corner of dash)
• Ground distribution system
• Hot at all times
• Hvac control module
• I/p fuse block (left side of dash)
• Inflatable restraint front passenger presence system (pps) module (if equipped) (under front passenger seat)
• Inflatable restraint sensing & diagnostic module (sdm) (under driver's seat)
• Inflatable restraint vehicle rollover sensor (if equipped) (below center console)
• Instrument panel cluster (ipc)
• J200
• Left i/p junction block (lower left side of dash)
• Low speed gmlan serial data
• Low speed serial data
• Ltr fuse 53 (except 6.6l) fuse 50 (6.6l) 20a
• Memory seat module (w/ front individual non bucket seat) (under front of driver's seat)
• Of w/ onstar, digital radio & rear seat & earphone jacks radio control
• Passenger door lock/window switch
• Power distribution system
• Radio
• Rear object sensor control module (at rear cargo area, behind trim panel)
• Rear seat audio (rsa) control
• Rear seat audio (rsa) control (if equipped)
• Remote control door lock receiver (rcdlr) (top rear of passenger compt)
• Right i/p junction block (in right end of dash)
• Splice pack jx221 (in the i/p harness, behind left side of dash)
• Tan
• Theft deterrent module (tdm) (on right side of steering column)
• Underhood fuse block (left side of engine compt)
• Vehicle communication interface module (vcim) (behind center of dash)
• Vehicle communication interface module (vcim) (if equipped) (behind center of dash)
• W/ digital radio
• W/ digital radio, rear seat, onstar & earphone jacks radio control
• W/ front seat & remote control
• W/ luxury edition
• W/ onstar
• W/ radio provisions
• W/ rear parking assist
• W/ rear seat & earphone jacks radio control
• W/ remote keyless entry
• W/o luxury edition
• W/o radio provisions

Computer Data Lines Wiring Diagram (2 of 2) for GMC Cab & Chassis Sierra 3500 HD 2009

List of elements for Computer Data Lines Wiring Diagram (2 of 2) for GMC Cab & Chassis Sierra 3500 HD 2009:

• (4.8l, 5.3l, 6.2l & 6.0l (vin y) j338
• (left front of engine compt, near fan shroud) transmission control module (tcm)
• (lower left side of dash) (w/ two speed transfer case) transfer case shift control module
• (outside of right front chassis frame) power take off (pto) module
• 4 speed a/t
• 4.3l
• 4.3l, 5.3l, 6.2l &
• 6.0l (vin k)
• 6.0l (vin k) w/o trailer brake
• 6.6l
• Accessory wakeup serial data
• Accessory wakeup serial data linear interconnect network bus
• Automatic transmission
• Body control module (bcm) (lower left side of dash)
• Can data bus high
• Can data bus low
• Data link resistor
• Electronic brake control module (ebcm) (on left side of frame assembly)
• Electronic compass module
• Engine control module (ecm) (left front of engine compt, near fan shroud)
• Except 4.3l & 6.6l
• Except 6.6l
• Except gas 4.3l & 6.0l (vin k)
• Fuel system control module (fscm) (except gas 4.3l & 6.0l (vin k)) (under rear of vehicle)
• Glow plug control module (gpcm) (6.6l) (top left rear of engine)
• Hb01
• Hb04
• Hb05
• Hb06
• Hb20
• Hi ser data
• Hi spd gmlan +
• Hi spd gmlan -
• Hi spd gmlan serial data +
• Hi spd gmlan serial data -
• High speed gmlan serial data bus +
• High speed gmlan serial data bus + ser data comm enable
• High speed gmlan serial data bus -
• J104 (in engine harness, 5 cm from engine control module connector breakout)
• Left i/p block junction (lower left side of dash)
• Left i/p junction block (lower left side of dash)
• Low ser data
• Serial data comm enable
• Speed a/t
• Tan
• Terminator
• Trailer brake controller module (tbcm) (if equipped) (20/30 series: left rear frame rail) (31 series: on left frame rail)
• Transmission control module
• Vehicle communication interface module (vcim) (behind center of dash)
• W/ active brake control except 10 series
• W/ allison transmission
• W/ disc ventilated brakes or w/ 10 series active brake control
• W/ hydraulic brakes
• W/ onstar
• W/ pto
• W/ trailer brake
• W/ two speed transfer case
• W/o onstar
• W/o pto
• W/o trailer brake
• W/o two speed transfer case
• X10
• Yaw & lateral accelerometer sensor (w/ active brake control)