COOLING FAN – Buick LaCrosse CX 2005 – SYSTEM WIRING DIAGRAMS

COOLING FAN

3.6L VIN 7

3.6L VIN 7, Cooling Fan Wiring Diagram for Buick LaCrosse CX 2005

List of elements for 3.6L VIN 7, Cooling Fan Wiring Diagram for Buick LaCrosse CX 2005:

• (in back of right headlamp on frame) g100
• A18
• A19
• C18
• C19
• Class 2 serial
• Computer data lines system
• E10
• Ect sens sig
• Engine control module (ecm) (top of engine)
• Engine coolant temperature (ect) sensor (top right of intake manifold)
• Fan 1 fuse 29 30a
• Fan 1 relay
• Fan 2 fuse 32 30a
• Fan 2 relay
• Fan 3 relay
• Hot at all times
• K14
• K15
• K18
• K19
• L14
• Left cooling fan motor (on left side of radiator)
• Low ref
• M14
• M15
• M18
• M19
• Relay ctrl
• Right cooling fan motor (on right side of radiator)
• S119 (engine harn, 13.5 cm from ecm breakout)
• Tan
• Underhood fuse block (mounted to right strut tower)

3.8L VIN 2

3.8L VIN 2, Cooling Fan Wiring Diagram for Buick LaCrosse CX 2005

List of elements for 3.8L VIN 2, Cooling Fan Wiring Diagram for Buick LaCrosse CX 2005:

• (in back of right headlamp on frame) g100
• A18
• A19
• C18
• C19
• Class 2 serial
• Computer data lines system
• E10
• Ect sens sig
• Engine coolant temperature (ect) sensor (top right of intake manifold)
• Fan 1 fuse 29 30a
• Fan 1 relay
• Fan 2 fuse 32 30a
• Fan 2 relay
• Fan 3 relay
• Hot at all times
• K14
• K15
• K18
• K19
• L14
• Left cooling fan motor (on left side of radiator)
• Low ref
• M14
• M15
• M18
• M19
• Powertrain control module (pcm) (left front side of engine compt, in air cleaner assembly)
• Relay ctrl
• Right cooling fan motor (on right side of radiator)
• Underhood fuse block (mounted to right strut tower)