AIR CONDITIONING
3.6L VIN 7
3.6L VIN 7, Automatic A/C Wiring Diagram (1 of 2) for Buick LaCrosse CXL 2005
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List of elements for 3.6L VIN 7, Automatic A/C Wiring Diagram (1 of 2) for Buick LaCrosse CXL 2005:
- (engine harness, 20cm from g115) (w/ sulev) s114
- (in back of right headlamp on frame) g100
- (lower right front of engine, (on transaxle stud, to right of starter) g115
- (on front of a/c compressor) a/c compressor clutch
- A/c clu diode
- A/c clutch fuse 13 10a
- A/c comp relay
- A/c compressor clutch solenoid
- A/c compressor temperature switch
- A/c request ind
- A/c request switch
- A10
- A11
- A12
- A18
- A19
- Air temp a
- Air temp b
- Auto
- B10
- B11
- B12
- Battery
- Blower motor sw
- C18
- C19
- Class 2 serial
- Computer data lines system interior lights system
- Defogger
- Display
- Driver temperature down control
- Driver temperature up control
- E10
- Fan 1 fuse 29 30a
- Fan 1 relay
- Fan 2 fuse 32 30a
- Fan 2 relay
- Fan 3 relay
- G202 (left side of dash, at base of steering column)
- Ground
- High
- Hot at all times
- Hot in run or start
- Hvac control module (center of dash)
- Ign
- Illum
- Ind
- K14
- K15
- K18
- K19
- L14
- Left air temperature actuator (left side of hvac module)
- Logic
- Low
- Low ref
- Lower left air temperature sensor
- Lower right air temperature sensor
- M14
- M15
- M18
- M19
- Mode actuator (on lower right side of dash)
- Mode door
- Mode switch
- Nca
- Off
- Pass
- Passenger temp down control
- Passenger temp up control
- Pnk
- Rear defogger switch
- Recirculation
- Recirculation a
- Recirculation actuator (in right footwell)
- Recirculation b
- Recirculation switch
- Right air temperature actuator (right side of hvac module)
- S211 (dash harness, at center of dash)
- Sensor sig
- Speed ctrl
- Tan
- Underhood fuse block (mounted to right strut tower)
3.6L VIN 7, Automatic A/C Wiring Diagram (2 of 2) for Buick LaCrosse CXL 2005
List of elements for 3.6L VIN 7, Automatic A/C Wiring Diagram (2 of 2) for Buick LaCrosse CXL 2005:
- (dash harness, at center of dash) s211
- (in off-engine wiring harn, 32 cm from underhood fuse block)
- 5v reference
- A/c comp clutch
- A/c press signal
- A/c refrigerant pressure sensor (on left side of engine compt, on accumulator)
- Batt main 4 fuse 30 30a
- Battery
- Blower motor (behind right side of dash, in hvac module)
- Blower motor control processor (on lower right side of dash)
- Class 2 serial
- Computer data lines system
- D11
- Display fuse 18 10a
- Ect sens sig
- Engine control module (ecm) (top of engine)
- Engine controls system
- Engine coolant temperature (ect) sensor (top right of intake manifold)
- G200 (center of dash cross beam, behind radio)
- G202 (left side of dash, at base of steering column)
- Gnd
- Hot at all times
- Hot in run or start
- Hvac fuse 10a
- I/p fuse block (behind right side of dash)
- Ign
- Inside air temperature sensor (left side of dash)
- Left cooling fan motor (on left side of radiator)
- Low ref
- Pnk
- Red
- Relay ctrl
- Right cooling fan motor (on right b
- S118
- S119 (engine harn, 13.5 cm from ecm breakout)
- S213 (dash harness, at center of dash)
- Speed ctrl
- Sunload sensor assembly (top center of dash)
- Tan
- Underhood fuse block (mounted to right strut tower)
- Upper left air temperature sensor (center of dash, in left ventilation duct)
- Upper right air temperature sensor (center of dash, in right ventilation duct)
3.6L VIN 7, Compressor Wiring Diagram for Buick LaCrosse CXL 2005
List of elements for 3.6L VIN 7, Compressor Wiring Diagram for Buick LaCrosse CXL 2005:
- (engine harness, 20cm from g115) (w/ sulev) s114
- (in off-engine wiring harn, 32 cm from underhood fuse block)
- (lower right front of engine, (on transaxle stud, to right of starter) g115
- (on front of a/c compressor) a/c compressor clutch
- 5v reference
- A/c clu diode
- A/c clutch fuse 13 10a
- A/c comp clutch
- A/c comp relay
- A/c compressor clutch solenoid
- A/c compressor temperature switch
- A/c press signal
- A/c refrigerant pressure sensor (on left side of engine compt, on accumulator)
- A/c request ind
- A/c request switch
- Battery
- Class 2 serial
- Computer data lines
- Computer data lines system
- Display fuse 18 10a
- Engine control module (ecm) (top of engine)
- Engine controls system
- G202 (left side of dash, at base of steering column)
- Ground
- Hot at all times
- Hot in run or start
- Hvac control module (center of dash)
- Hvac fuse 10a
- I/p fuse block (behind right side of dash)
- Ign
- Logic
- Low ref
- Nca
- Pnk
- S118
- S211 (dash harness, at center of dash)
- Underhood fuse block (mounted to right strut tower)
3.8L VIN 2
3.8L VIN 2, Automatic A/C Wiring Diagram (1 of 2) for Buick LaCrosse CXL 2005
List of elements for 3.8L VIN 2, Automatic A/C Wiring Diagram (1 of 2) for Buick LaCrosse CXL 2005:
- (engine harness, 20cm from g115) (w/ sulev) s114
- (in back of right headlamp on frame) g100
- (lower right front of engine, (on transaxle stud, to right of starter) g115
- (on front of a/c compressor) a/c compressor clutch
- A/c clu diode
- A/c clutch fuse 13 10a
- A/c comp relay
- A/c request ind
- A/c request switch
- A10
- A11
- A12
- A18
- A19
- Air temp a
- Air temp b
- Auto
- B10
- B11
- B12
- Battery
- Blower motor sw
- C18
- C19
- Class 2 serial
- Computer data lines system interior lights system
- Defogger
- Display
- Driver temperature down control
- Driver temperature up control
- E10
- Fan 1 fuse 29 30a
- Fan 1 relay
- Fan 2 fuse 32 30a
- Fan 2 relay
- Fan 3 relay
- G202 (left side of dash, at base of steering column)
- Ground
- High
- Hot at all times
- Hot in run or start
- Hvac control module (center of dash)
- Ign
- Illum
- Ind
- K14
- K15
- K18
- K19
- L14
- Left air temperature actuator (left side of hvac module)
- Logic
- Low
- Low ref
- Lower left air temperature sensor
- Lower right air temperature sensor
- M14
- M15
- M18
- M19
- Mode actuator (on lower right side of dash)
- Mode door
- Mode switch
- Off
- Pass
- Passenger temp down control
- Passenger temp up control
- Pnk
- Rear defogger switch
- Recirculation
- Recirculation a
- Recirculation actuator (in right footwell)
- Recirculation b
- Recirculation switch
- Right air temperature actuator (right side of hvac module)
- S211 (dash harness, at center of dash)
- Sensor sig
- Speed ctrl
- Tan
- Underhood fuse block (mounted to right strut tower)
3.8L VIN 2, Automatic A/C Wiring Diagram (2 of 2) for Buick LaCrosse CXL 2005
List of elements for 3.8L VIN 2, Automatic A/C Wiring Diagram (2 of 2) for Buick LaCrosse CXL 2005:
- (dash harness, at center of dash) s211
- 5v reference
- A/c comp clutch
- A/c press signal
- A/c refrigerant pressure sensor (on left side of engine compt, on accumulator)
- Batt main 4 fuse 30 30a
- Battery
- Blower motor (behind right side of dash, in hvac module)
- Blower motor control processor (on lower right side of dash)
- Class 2 serial
- Computer data lines system
- D11
- Display fuse 18 10a
- Ect sens sig
- Engine coolant temperature (ect) sensor (on top right of intake manifold)
- G200 (center of dash cross beam, behind radio)
- G202 (left side of dash, at base of steering column)
- Gnd
- Hot at all times
- Hot in run or start
- Hvac fuse 10a
- I/p fuse block (behind right side of dash)
- Ign
- Inside air temperature sensor (left side of dash)
- Left cooling fan motor (on left side of radiator)
- Low ref
- Pnk
- Powertrain control module (pcm) (left front side of engine compt, in air cleaner assembly)
- Red
- Relay ctrl
- Right cooling fan motor (on right b
- S213 (dash harness, at center of dash)
- Speed ctrl
- Sunload sensor assembly (top center of dash)
- Tan
- Underhood fuse block (mounted to right strut tower)
- Upper left air temperature sensor (center of dash, in left ventilation duct)
- Upper right air temperature sensor (center of dash, in right ventilation duct)
3.8L VIN 2, Compressor Wiring Diagram for Buick LaCrosse CXL 2005
List of elements for 3.8L VIN 2, Compressor Wiring Diagram for Buick LaCrosse CXL 2005:
- (dash harness, at center of dash) s211
- (engine harness, 20cm from g115)
- (on front of a/c compressor) a/c compressor clutch
- (w/ sulev) s114
- 5v reference
- A/c clu diode
- A/c clutch fuse 13 10a
- A/c comp clutch
- A/c comp relay
- A/c press signal
- A/c refrigerant pressure sensor (on left side of engine compt, on accumulator)
- A/c request ind
- A/c request switch
- Automatic a/c
- Battery
- Class 2 serial
- Computer data lines system
- Display fuse 18 10a
- G115 (on transaxle stud, to right of starter)
- G202 (left side of dash, at base of steering column)
- Ground
- Hot at all times
- Hot in run or start
- Hvac control module (center of dash)
- Hvac fuse 10a
- I/p fuse block (behind right side of dash)
- Ignition 1
- Logic
- Low ref
- Manual a/c
- Pnk
- Powertrain control module (pcm) (left front side of engine compt, in air cleaner assembly)
- Underhood fuse block (mounted to right strut tower)
3.8L VIN 2, Manual A/C Wiring Diagram for Buick LaCrosse CXL 2005
List of elements for 3.8L VIN 2, Manual A/C Wiring Diagram for Buick LaCrosse CXL 2005:
- (dash harness, at center of dash) s211
- (engine harness, 20cm from g115)
- (on front of a/c compressor) a/c compressor clutch
- (w/ sulev) s114
- 5v reference
- A/c clu diode
- A/c clutch fuse 13 10a
- A/c comp clutch
- A/c comp relay
- A/c press signal
- A/c refrigerant pressure sensor (on left side of engine compt, on accumulator)
- A/c request ind
- A/c request switch
- A10
- A11
- A12
- A18
- A19
- Air temp a
- Air temp b
- Air temperature actuator (right side of hvac module)
- B10
- B11
- B12
- Batt main 4 fuse 30a
- Battery
- Blower motor (behind right side of dash, in hvac module)
- Blower motor control processor (on lower right side of dash)
- Blower motor sw
- C18
- C19
- Class 2 serial
- Computer data lines system
- Defogger
- Display fuse 18 10a
- E10
- Ect sens sig
- Engine coolant temperature (ect) sensor (on top right of intake manifold)
- Fan 1 fuse 29 30a
- Fan 1 relay
- Fan 2 fuse 32 30a
- Fan 2 relay
- Fan 3 relay
- G100 (in back of right headlamp on frame)
- G115 (on transaxle stud, to right of starter)
- G200 (center of dash cross beam, behind radio)
- G202 (left side of dash, at base of steering column)
- Gnd
- Ground
- High
- High spd cooling
- Hot at all times
- Hot in run or start
- Hvac control module (center of dash)
- Hvac fuse 10a
- I/p fuse block (behind right side of dash)
- Ignition 1
- Illum
- Ind
- Interior lights system
- K14
- K15
- K18
- K19
- L14
- Left cooling fan motor (on left side of radiator)
- Logic
- Low
- Low ref
- Low spd cooling
- M14
- M15
- M18
- M19
- Mode actuator (on lower right side of dash)
- Mode door
- Mode switch
- Off
- Pnk
- Powertrain control module (pcm) (left front side of engine compt, in air cleaner assembly)
- Rear defogger switch
- Recirculation
- Recirculation a
- Recirculation actuator (in right footwell)
- Recirculation b
- Recirculation switch
- Red
- Right cooling fan motor (on right side of radiator)
- S213 (dash harness, at center of dash)
- Speed ctrl
- Tan
- Temperature control sw
- Underhood fuse block (mounted to right strut tower)
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