COOLING FAN – Buick LaCrosse CX 2009 – SYSTEM WIRING DIAGRAMS

COOLING FAN

3.8L VIN 2

3.8L VIN 2, Cooling Fan Wiring Diagram for Buick LaCrosse CX 2009

List of elements for 3.8L VIN 2, Cooling Fan Wiring Diagram for Buick LaCrosse CX 2009:

• (right front of engine compt) g100
• A18
• A19
• C18
• C19
• Class 2 serial
• Computer data lines system
• E10
• Ect sens sig
• Engine coolant temperature (ect) sensor (top of engine)
• Fan 1 fuse 29 30a
• Fan 1 relay
• Fan 2 fuse 32 30a
• Fan 2 relay
• Fan 3 relay
• Hi spd fan rly
• Hot at all times
• K14
• K15
• K18
• K19
• L14
• Left cooling fan (behind left side of radiator)
• Lo spd fan rly
• Low ref
• M14
• M15
• M18
• M19
• Powertrain control module (pcm)
• Right cooling fan (behind right side of radiator)
• Underhood fuse block (right front strut tower)

5.3L VIN C

5.3L VIN C, Cooling Fan Wiring Diagram for Buick LaCrosse CX 2009

List of elements for 5.3L VIN C, Cooling Fan Wiring Diagram for Buick LaCrosse CX 2009:

• 87a
• Class 2 serial
• Computer data lines system
• Ect sens sig
• Engine control module (ecm) (left front of engine compt)
• Engine coolant temperature (ect) sensor (left front of engine)
• Fan 1 fuse 30a
• Fan 1 relay
• Fan 2 fuse 30a
• Fan 2 relay
• Fan 3 relay
• G100 (right front of engine compt)
• Hi spd fan rly
• Hot at all times
• J123
• Left cooling fan (behind left side of radiator)
• Lo spd fan rly
• Low ref
• Right cooling fan (behind right side of radiator)
• Underhood fuse block (right front strut tower)