AIR CONDITIONING – Pontiac G8 GT 2008 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 2) for Pontiac G8 GT 2008

List of elements for Automatic A/C Wiring Diagram (1 of 2) for Pontiac G8 GT 2008:

• (behind right kick panel) g201
• (in hvac harness) j242
• (in instrument panel harness) j200
• (right side of hvac unit) blower motor
• A/c compressor clutch
• A/c request switch
• Auto switch
• Auxiliary mode actuator (left side of hvac module)
• Blower motor control module (under right side of dash)
• Blwr relay 9
• Computer data lines system
• Defogger ind
• Defogger switch
• Defogger system
• Defrost switch
• Dual zone
• Ext temp switch
• Floor switch
• G201 (behind right kick panel)
• Gnd
• Hot at all times
• Hot w/ ign relay energized
• Hvac batt fuse 2 10a
• Hvac blwr fuse fu9 40a
• Hvac control module (right side of hvac unit)
• Hvac ign fuse 10a
• Instrument panel fuse block (behind left kick panel)
• J223
• J241 (in hvac harness)
• Left blower switch
• Logic
• Low ref
• Mode actuator (left side of hvac module)
• On/off switch
• Pnk
• Recirculation actuator (top center of hvac unit)
• Recirculation switch
• Red
• Right blower switch
• Spd ctrl
• Underhood fuse block (mounted to right front strut tower)
• Vent switch
• Zone switch

Automatic A/C Wiring Diagram (2 of 2) for Pontiac G8 GT 2008

List of elements for Automatic A/C Wiring Diagram (2 of 2) for Pontiac G8 GT 2008:

• (or 1168)
• (or 2761)
• 3.6l
• 5-volt ref
• 6.0l
• 87a
• A/c refrigerant pressure sensor (3.6l: left front of engine) (6.0l: lower right front of engine)
• Air temperature sensor
• Ambient air temperature sensor (center front of engine compt)
• Body control module (bcm) (under left side of dash, right of steering column)
• Computer data lines system
• Emission fuse 32 15a
• Engine control module (right side of engine compt)
• Engine coolant temperature (ect) sensor (6.0l: left front of engine) (3.6l: left side of engine)
• Fan 1 fuse fu10 30a
• Fan 1 relay
• Fan 2 fuse fu12 30a
• Fan 2 relay
• Fan 3 relay
• G104 (in engine compt, on jump start post)
• Gmlan +
• Gmlan -
• Hi spd fan
• Hot at all times
• Hot w/ pwr trn relay energized
• Inside air temperature sensor (behind left center of dash)
• J123 (3.6l) (in engine harness)
• J314 (in body harness)
• Left
• Left air temperature actuator
• Left engine cooling fan
• Lo spd fan
• Lo spd serial data
• Low ref
• Right
• Right air temperature actuator (right side of hvac module)
• Right engine cooling fan
• Sens sig
• Sunload sensor (dual zone) (under left top of dash)
• Underhood fuse block (mounted to right front strut tower)

Compressor Wiring Diagram for Pontiac G8 GT 2008

List of elements for Compressor Wiring Diagram for Pontiac G8 GT 2008:

• (in instrument panel harness) j200
• (right side of hvac unit) blower motor
• A/c compressor clutch
• A/c request switch
• Blower motor control module (under right side of dash)
• Blwr relay 9
• Computer data lines system g201 (behind right kick panel)
• Ext temp switch
• G201 (behind right kick panel)
• Gnd
• Hot at all times
• Hvac blwr fuse fu9 40a
• Hvac control module (right side of hvac unit)
• Instrument panel fuse block (behind left kick panel)
• J223
• Left blower switch
• Logic
• Low ref
• Right blower switch
• Spd control
• Underhood fuse block (mounted to right front strut tower)

Manual A/C Wiring Diagram (1 of 2) for Pontiac G8 GT 2008

List of elements for Manual A/C Wiring Diagram (1 of 2) for Pontiac G8 GT 2008:

• (in hvac harness) j242
• (in instrument panel harness) j200
• (right side of hvac unit) blower motor
• A/c compressor clutch
• A/c request switch
• Auto switch
• Auxiliary mode actuator (left side of hvac module)
• Blower motor control module (under right side of dash)
• Blwr relay 9
• Computer data lines system
• Defogger ind
• Defogger switch
• Defogger system
• Defrost switch
• Dual zone
• Ext temp switch
• Floor switch
• G201 (behind right kick panel)
• Gnd
• Hot at all times
• Hot w/ ign relay energized
• Hvac batt fuse 2 10a
• Hvac blwr fuse fu9 40a
• Hvac control module (right side of hvac unit)
• Hvac ign fuse 10a
• Instrument panel fuse block (behind left kick panel)
• J223
• J241 (in hvac harness)
• Left blower switch
• Logic
• Low ref
• Mode actuator (left side of hvac module)
• On/off switch
• Pnk
• Recirculation actuator (top center of hvac unit)
• Recirculation switch
• Red
• Right blower switch
• Spd ctrl
• Underhood fuse block (mounted to right front strut tower)
• Vent switch
• Zone switch

Manual A/C Wiring Diagram (2 of 2) for Pontiac G8 GT 2008

List of elements for Manual A/C Wiring Diagram (2 of 2) for Pontiac G8 GT 2008:

• (or 1168)
• (or 2761)
• 3.6l
• 5-volt ref
• 6.0l
• 87a
• A/c refrigerant pressure sensor (3.6l: left front of engine) (6.0l: lower right front of engine)
• Air temperature actuator
• Air temperature sensor
• Body control module (bcm) (under left side of dash, right of steering column)
• Computer data lines system
• Emission fuse 32 15a
• Engine control module (right side of engine compt)
• Engine controls system
• Engine coolant temperature (ect) sensor (6.0l: left front of engine) (3.6l: left side of engine)
• Fan 1 fuse fu10 30a
• Fan 1 relay
• Fan 2 fuse fu12 30a
• Fan 2 relay
• Fan 3 relay
• G104 (in engine compt, on jump start post)
• Gmlan +
• Gmlan -
• Hi spd fan
• Hot at all times
• Hot w/ pwr trn relay energized
• J123 (3.6l) (in engine harness)
• Left engine cooling fan
• Lo spd fan
• Lo spd serial data
• Low ref
• Right engine cooling fan
• Sens sig
• Underhood fuse block (mounted to right front strut tower)