BODY CONTROL MODULES – GMC Cab & Chassis Sierra 3500 HD 2008 – SYSTEM WIRING DIAGRAMS

BODY CONTROL MODULES

Body Control Modules Wiring Diagram (1 of 3) for GMC Cab & Chassis Sierra 3500 HD 2008

List of elements for Body Control Modules Wiring Diagram (1 of 3) for GMC Cab & Chassis Sierra 3500 HD 2008:

• (not used)
• 12 volt ref
• 5 volt ref
• Acc
• Accessory volt
• Ambient lt sens sig
• Anti-lock brakes system
• Battery +
• Body control module (lower left side of dash)
• Courtesy lamps ctrl
• Cruise control system
• Cruise ctrl sw sig
• Dim fuse 15a
• Exterior lights system
• Fuse block (i/p) (left side of dash)
• Hazrd sw left turn sig
• Hazrd sw right turn sig
• Hazrd sw sig
• Headlamp dim sw sig
• Headlamp flash to pass sig
• Headlamp sw headlamp off sig
• Headlamp sw headlamp on sig
• Headlamp sw park lamp sig
• Headlights system
• Hot at all times
• I/p lamps dim ctrl
• Ig iii volt
• Ign i volt
• Ignition switch
• Interior lamp defeat sw sig
• Interior lights system
• J213
• Low ref
• Off
• Pnk
• Power distribution system
• Run
• Shift interlock system
• Sound systems
• Sound, cruise control & transmission systems
• Start
• Steer whl ctrl sw sig
• Tan
• Tap up/tap down sw sig
• Tow/haul sw sig
• Traction ctrl sw sig
• Transmissions system
• Windshield wash sw sig
• Wiper sw hi sig
• Wiper sw low sig
• Wiper/washer system
• X201

Body Control Modules Wiring Diagram (2 of 3) for GMC Cab & Chassis Sierra 3500 HD 2008

List of elements for Body Control Modules Wiring Diagram (2 of 3) for GMC Cab & Chassis Sierra 3500 HD 2008:

• (gas) (diesel)
• 12v ref
• Accessory wakeup serial data
• Anti-lock brakes system
• Anti-theft system
• Battery +
• Bcm fuse 10a
• Body control module (lower left side of dash)
• Brake sw sig
• Computer data lines system
• Cruise control system
• Cruise ctrl ind dim sig
• Ctsy fuse 15a
• Drl relay ctrl
• Exterior lights system
• Fog lamp relay ctrl
• Front fog lamp sw sig/enable
• Fuse block (i/p) (left side of dash)
• G103 (on front of right cylinder head)
• G201 (upper left corner of dash)
• Ground
• Headlamp hi beam relay ctrl
• Headlights system
• Hi spd gmlan serial data bus (+)
• Hi spd gmlan serial data bus (-)
• Hood ajar sw sig
• Hot at all times
• I/p lamp dimmer sw sig
• Indicator dim ctrl
• Instrument cluster system
• Interior lights system
• Ipc fuse 46 fuse 43 10a
• Is lps fuse 10a
• Junction block (left i/p) (lower left side of dash)
• Led backlight dim ctrl
• Lo spd serial data
• Lt stop trn fuse 15a
• Lt trlr turn sig lamp
• Outside moisture sens sig 1
• Outside moisture sens sig 2
• Power distribution system
• Rt stop trn fuse 15a
• Rt trlr turn sig lamp
• Run/crank relay ctrl
• Security ind ctrl
• Serial data comm enable
• Stop lamps fuse 15a
• Tan
• Underhood fuse block (left side of engine compt)
• Washer relay ctrl
• Wiper motor park sw sig
• Wiper/washer system

Body Control Modules Wiring Diagram (3 of 3) for GMC Cab & Chassis Sierra 3500 HD 2008

List of elements for Body Control Modules Wiring Diagram (3 of 3) for GMC Cab & Chassis Sierra 3500 HD 2008:

• 12 volt ref
• Anti-theft system
• Backup lamp relay ctrl
• Body control module (lower left side of dash)
• Cruise/etc/tcc brake sig
• Current sens sig
• Door lk ctrl
• Door locks system
• Door unlk ctrl
• Drvr door key sw sig
• Drvr door lk sw lk sig
• Drvr door lk sw unlk sig
• Drvr door unlk relay ctrl
• Exterior lights system
• Front windshield sw hi sig ctrl
• Headlamp lo beam relay ctrl
• Headlights system
• Hood closed sw sig
• Horn relay ctrl
• Horns system
• Ign iii voltage
• Interior lights system
• Intrusion sens alarm on sig
• Intrusion sens armed sig
• Lf door open sw sig
• Low ref
• Lr door ajar sw sig
• Lt door ajar sw sig
• Non drv door open sw sig
• Out of park sig
• Park brake sw sig
• Park brake switch (on park brake pedal assembly)
• Park lamp relay ctrl
• Pass door lk sw lk sig
• Pass dr lk sw unlk sig
• Pnk
• Power distribution system
• Power windows system
• Pwr win mstr sw lkout rear sig
• Pwr win mstr sw lkout sig
• Pwr win mstr sw lr dn sig
• Pwr win mstr sw lr up sig
• Pwr win mstr sw rr dn sig
• Pwr win mstr sw rr up sig
• Rf door ajar sw sig
• Rr door ajar sw sig
• Seats system
• Starting/charging system
• Tan
• Wiper sw sig 2
• Wiper/washer & transmission systems
• Wiper/washer system