EXTERIOR LIGHTS – Buick LaCrosse CX 2005 – SYSTEM WIRING DIAGRAMS

EXTERIOR LIGHTS

Exterior Lamps Wiring Diagram for Buick LaCrosse CX 2005

List of elements for Exterior Lamps Wiring Diagram for Buick LaCrosse CX 2005:

• (behind left side of rear bumper, in object sensor & license lamp harn) s402
• (mounted to right strut tower) underhood fuse block
• 10 volt ref
• Anti-lock brakes or engine controls system
• Anti-lock brakes, engine controls or transmissions systems
• Auto
• Bcm class 2
• Bcm class 2 serial data
• Body control module (behind left side of dash, left of steering column)
• Brake pedal position sensor (under left side of dash)
• C1 c2
• C1 e2
• C1 f2
• C2 e11
• C2 f9
• C3 a9
• Center high mounted stop lamp (chmsl)
• Chmsl/ bkup fuse 15a
• Computer data lines system
• Driver information center
• G100 (in back of right headlamp. on frame)
• G101 (left side of front end upper tie bar, in back of headlamp)
• G202 (right door sill, forward of right front seat)
• G301 (inside left door sill, forward of left front seat)
• G302 (right door sill, forward of right front seat)
• Hazard
• Hazard sw sig
• Hazrd fuse 20a
• Head
• Hot at all times
• I/p fuse block (behind right side of dash)
• Instrument panel cluster (ipc)
• Ipc class 2 serial data
• Lamp switch assembly
• Left
• Left front marker lamp
• Left front park/ turn signal lamp
• Left license lamp
• Left rear marker lamp
• Left tail/ stop & turn signal lamp
• Left turn indicator
• Left turn sw sig
• Logic
• Low ref
• Lower left tail lamp
• Lower right tail lamp
• Lr stop/turn volt
• Nca
• Off
• Park
• Park lamp on sig
• Park lmp rly ctrl
• Prk lamp fuse 10a
• Prk lamp relay
• Right
• Right front marker lamp
• Right front park/ turn signal lamp
• Right license lamp
• Right rear marker lamp
• Right tail/ stop & turn signal lamp
• Right turn indicator
• Right turn sw sig
• Rr stop/turn volt
• S111
• S112
• S113
• S124
• S211
• S214
• S303
• S401
• S406
• S407 (body wiring harn, inside right side of rear compt, 78.5 cm from breakout to c405)
• Stop lamp sw sig
• Tan
• Turn audible indicator
• Turn signal/ multifunction switch
• Upper left tail lamp
• Upper right tail lamp
• Volt
• Volt (+)

3.6L VIN 7

3.6L VIN 7, Backup Lamps Wiring Diagram for Buick LaCrosse CX 2005

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

• (mounted to bank 1 cylinder head)
• Automatic transaxle
• Backup lamp sply volt
• Battery volt (+)
• Body control module (behind left side of dash, left of steering column)
• Chmsl/ bkup fuse 15a
• Computer data lines system
• Exterior lights system
• G115
• G301 (inside left door sill, forward of left front seat)
• G302 (right door sill, forward of right front seat)
• Gmlan ser data
• Ground distribution system
• Hot at all times
• I/p fuse block (behind right side of dash)
• Left backup lamp
• Lower left tail lamp
• Lower right tail lamp
• Navigation system
• Pcm class 2 serial data
• Right backup lamp
• S303
• S406
• Tr sw a
• Tr sw b
• Transmission control module (tcm) (left front of engine compt)
• Transmission internal mode switch (ims)

3.8L VIN 2

3.8L VIN 2, Backup Lamps Wiring Diagram for Buick LaCrosse CX 2005

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

• (on transaxle stud, near starter)
• Automatic transaxle
• Backup lamp sply volt
• Battery volt (+)
• Body control module (behind left side of dash, left of steering column)
• Chmsl/ bkup fuse 15a
• Computer data lines system
• Exterior lights system
• G113
• G301 (inside left door sill, forward of left front seat)
• G302 (right door sill, forward of right front seat)
• Ground distribution system
• Hot at all times
• I/p fuse block (behind right side of dash)
• Left backup lamp
• Lower left tail lamp
• Lower right tail lamp
• Navigation system
• Pcm class 2 serial data
• Powertrain control module (left front side of engine compt, in air cleaner assembly)
• Right backup lamp
• S101
• S303
• S406
• Tr sw a
• Tr sw b
• Transmission internal mode switch (ims)