WARNING SYSTEMS – GMC Cab & Chassis Sierra 3500 2004 – SYSTEM WIRING DIAGRAMS

WARNING SYSTEMS

Warning Systems Wiring Diagram (1 of 2) for GMC Cab & Chassis Sierra 3500 2004

List of elements for Warning Systems Wiring Diagram (1 of 2) for GMC Cab & Chassis Sierra 3500 2004:

• (behind left side of dash, near left "a" pillar) g203
• (on left "b" pillar) g305
• (on right "b" pillar) g306
• 5v reference
• A12
• Accessory voltage
• Anl/drl defeat
• Auto
• B11
• B12
• Battery
• Body control module (bcm) (on lower left side of dash, below steering column)
• Crew cab only
• D12
• Dimming input
• Dimming return
• E11
• E12
• G203 (behind left side of dash, near left "a" pillar)
• Ground
• Ground distribution system
• Head
• Headlamp switch
• Headlamps on signal
• Hot at all times
• Hot in acc & run
• Hot in acc, run & start
• Hot in run & start
• I/p relay block (near left kick panel)
• Ignition 0 voltage
• Ignition 1 voltage
• Ignition key alarm switch
• Key in ignition switch
• Left front door ajar sw
• Left i/p fuse block (on lower left side of dash)
• Left rear door ajar sw
• Left rear door latch assembly
• Park
• Park brake sw signal
• Park brake switch (part of park brake assembly)
• Park lamp on signal
• Pnk
• Power distribution system
• Right front door ajar sw
• Right rear door ajar sw
• Right rear door latch assembly
• S212 (in i/p harness)
• S217
• Serial data
• Tbc 2a fuse 15a
• Tbc 2b fuse 15a
• Tbc 2c fuse 15a
• Tbc accy fuse 10a
• Tbc batt fuse 10a
• Tbc ign 0 fuse 10a
• Tbc ign 1 fuse 10a
• Underhood fuse block (at left side of engine compartment)

Warning Systems Wiring Diagram (2 of 2) for GMC Cab & Chassis Sierra 3500 2004

List of elements for Warning Systems Wiring Diagram (2 of 2) for GMC Cab & Chassis Sierra 3500 2004:

• (behind right side of dash, near right "a" pillar) g200
• Base
• Computer data lines system
• Data link connector (dlc) (partial) (under left side of dash, below steering column)
• Door ajar switch
• Driver door latch assembly
• Driver door module (ddm) (in driver's door)
• Driver seat belt switch
• Except 6.6l vin 2 6.6l vin 2
• Exterior lights system
• Front passenger door latch assembly
• Front passenger door module (fpdm) (in right front door)
• Ground distribution system
• Ign
• Inflatable restraint sensing & diagnostic module (sdm) (under left front seat)
• Instrument panel cluster (ipc)
• Left door ajar sw
• Left i/p fuse block (on lower left side of dash)
• Left seat belt
• Left turn
• Logic
• Low reference
• Pnk
• Powertrain control module (pcm) or engine control module (ecm) (on left front of engine compartment)
• Radio
• Right i/p fuse block (on lower right side of dash)
• Right turn
• Seat belt
• Serial data
• Sp205 (in i/p harness)
• Tan
• W/convenience package comfort & decor level 3
• W/memory seats