POWER SEATS – GMC Sierra 3500 HD 2008 – SYSTEM WIRING DIAGRAMS

POWER SEATS

Adjustable Pedal Wiring Diagram for GMC Sierra 3500 HD 2008

List of elements for Adjustable Pedal Wiring Diagram for GMC Sierra 3500 HD 2008:

• (except 6.6l) (6.6l)
• Body control module (bcm) (lower left side of dash)
• Eap fuse 38 fuse 35 15a
• Electronic adjustable pedal (eap) assembly (under left side of dash)
• Electronic adjustable pedals pcb relay
• Fwd
• G200 (on right front corner of hvac module)
• Hot at all times
• I/p multi-function switch
• J200
• Left i/p junction block (lower left side of dash)
• Park enable pcb relay
• Rwd
• Underhood fuse block (left side of engine compt)

Driver Power Seat Wiring Diagram for GMC Sierra 3500 HD 2008

List of elements for Driver Power Seat Wiring Diagram for GMC Sierra 3500 HD 2008:

• Driver seat 2 circuit breaker cb3 25a
• Driver seat adjuster motor assembly (on driver's seat track)
• Driver seat adjuster switch
• Driver seat front vertical motor
• Driver seat horizontal motor
• Driver seat rear vertical motor
• Fwd
• G303 (crew cab/ extended cab) (on lower left "b" pillar)
• G304 (regular cab) (on lower right "b" pillar)
• Hot at all times
• Left i/p junction block (lower left side of dash)
• Nca
• Rwd
• Tan
• X12

Heated Seats Wiring Diagram (1 of 2) for GMC Sierra 3500 HD 2008

List of elements for Heated Seats Wiring Diagram (1 of 2) for GMC Sierra 3500 HD 2008:

• Computer data lines system
• Driver back heated seat element (in driver's seat back)
• Driver cushion heated seat element (in driver's seat cushion)
• Driver seat 2 circuit breaker cb3 25a
• Elem ctrl
• G303 (on lower left "b" pillar)
• Gnd
• Hot at all times
• J306
• J311 (in driver seat harness, 5 cm from memory seat module x4 breakout)
• J316 (in passenger seat harness, 5 cm from x305 breakout)
• Left i/p junction block (lower left side of dash)
• Low ref
• Memory seat module (under front of driver's seat)
• Nca
• Passenger back heated seat element (in passenger's seat back)
• Passenger cushion heated seat element (in passenger's seat cushion)
• Pnk
• Serial data
• Sply volt
• Tan
• Temp sig
• X12

Heated Seats Wiring Diagram (2 of 2) for GMC Sierra 3500 HD 2008

List of elements for Heated Seats Wiring Diagram (2 of 2) for GMC Sierra 3500 HD 2008:

• 3b2
• 4a7
• Back & cushion ind ctrl
• Back ind ctrl
• Back seat ind
• Computer data lines system
• Cushion/back ind
• Ddm fuse 15a
• Dimming ctrl
• Driver door lock/ window switch
• Driver heated seat switch
• Dsm fuse 10a
• G200 (on right front corner of hvac module)
• G201 (upper left corner of dash)
• Gnd
• Hi temp ind ctrl
• High ind
• Hot at all times
• I/p fuse block (left side of dash)
• Low ind
• Low ref
• Low temp ind ctrl
• Med ind
• Med temp ind ctrl
• Passenger door lock/ window switch
• Passenger heated seat switch
• Pdm fuse 15a
• Pnk
• Right i/p junction block (in right end of dash)
• Serial data
• Tan

Heated Steering Wheel Wiring Diagram for GMC Sierra 3500 HD 2008

List of elements for Heated Steering Wheel Wiring Diagram for GMC Sierra 3500 HD 2008:

• (except 6.6l) (6.6l)
• 7.5a
• Aux hvac ign fuse 48 fuse 45 10a
• Body control module (bcm) (lower left side of dash)
• Dim sig
• G200 (on right front corner of hvac module)
• Gnd
• Heated steering fuse
• Heated steering wheel
• Heated steering wheel control module (in steering wheel)
• Heated steering wheel ind
• Heated steering wheel switch
• Hot at all times
• Ign
• Inflatable restraint steering wheel module coil (behind steering wheel)
• J214
• J220
• J223
• Led cntrl
• Left steering wheel control switch
• Nca
• Pnk
• Red
• Sns sig
• Sw sig
• Underhood fuse block (left side of engine compt)
• Whl cntrl

Passenger Power Seat Wiring Diagram, 6-Way Power Seat for GMC Sierra 3500 HD 2008

List of elements for Passenger Power Seat Wiring Diagram, 6-Way Power Seat for GMC Sierra 3500 HD 2008:

• Fwd
• G304 (on lower right "b" pillar)
• Hot at all times
• J314
• Left i/p junction block (lower left side of dash)
• Nca
• Pass seat 1 circuit breaker cb2 25a
• Passenger seat adjuster motor assembly (on passenger's seat track)
• Passenger seat adjuster switch
• Passenger seat front vertical motor
• Passenger seat horizontal motor
• Passenger seat rear vertical motor
• Rwd
• Tan
• X11

Passenger Power Seat Wiring Diagram, 8-Way Power Seat for GMC Sierra 3500 HD 2008

List of elements for Passenger Power Seat Wiring Diagram, 8-Way Power Seat for GMC Sierra 3500 HD 2008:

• (in passenger's seat back)
• Fwd
• G304 (on lower right "b" pillar)
• Hot at all times
• J314
• Left i/p junction block (lower left side of dash)
• Nca
• Pass seat 1 circuit breaker cb2 25a
• Passenger seat adjuster motor assembly (on passenger's seat track)
• Passenger seat adjuster switch
• Passenger seat front vertical motor
• Passenger seat horizontal motor
• Passenger seat lumbar horizontal motor (in passenger's seat back)
• Passenger seat lumbar switch
• Passenger seat lumbar vertical motor
• Passenger seat rear vertical motor
• Passenger seat recline motor (lower right side of passenger's seat back)
• Pnk
• Rwd
• Tan
• X11