EXTERIOR LIGHTS – Buick LaCrosse CXL 2009 – SYSTEM WIRING DIAGRAMS

EXTERIOR LIGHTS

Exterior Lamps Wiring Diagram for Buick LaCrosse CXL 2009

List of elements for Exterior Lamps Wiring Diagram for Buick LaCrosse CXL 2009:

• (left taillight wiring harness) j902
• (license lamp harness, near left license lamp) j402
• (right front strut tower) underhood fuse block
• (right taillight wiring harness) j903
• 10 volt ref
• 3.8l
• 5.3l
• Anti-lock brakes & engine controls systems
• Anti-lock brakes system
• Auto
• Batt positive volt
• Bcm class 2
• Bcm class 2 serial data
• Body control module (bcm) (left side of dash)
• Brake pedal position sensor (left side of dash)
• Center high mounted stop lamp (chmsl)
• Chmsl/ bkup fuse 15a
• Computer data lines system
• Driver information center (dic) switch
• G100 (right front of engine compt)
• G101 (left front of engine compt)
• G202 (left side of dash)
• G301 (front of driver's door sill)
• G302 (front of front passenger's door sill)
• H5 x1
• Hazard
• Hazard sw sig
• Hazrd fuse 20a
• Head
• Headlamp switch
• Hot at all times
• I/p fuse block (right side of dash)
• Ign
• Instrument panel cluster (ipc)
• Ipc class 2 serial data
• J111
• J112
• J113
• J124
• J211
• J214
• J401
• J406
• J900
• J901
• Left
• Left front marker lamp
• Left license lamp
• Left park/ turn signal 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
• Off
• Park
• Park lamp on sig
• Park lmp rly ctrl
• Prk lamp fuse 10a
• Prk/ lamp relay
• Right
• Right front marker lamp
• Right license lamp
• Right park/ turn signal lamp
• Right rear marker lamp
• Right tail/ stop & turn signal lamp
• Right turn indicator
• Right turn sw sig
• Rr stop/turn volt
• Splice pack jx307 (body wiring harness, under passenger seat, at rear carpet)
• Sply volt
• Stop lamp sw sig
• Tan
• Turn signal/ multi-function switch
• Upper left tail lamp
• Upper right tail lamp
• X1 c2
• X1 e2
• X1 f2
• X2 a2
• X2 a6
• X2 e11
• X2 f9
• X3 a9
• X3 c6

3.8L VIN 2

3.8L VIN 2, Backup Lamps Wiring Diagram for Buick LaCrosse CXL 2009

List of elements for 3.8L VIN 2, Backup Lamps Wiring Diagram for Buick LaCrosse CXL 2009:

• (lower left rear of engine, near starter) g113
• Automatic transmission
• Automatic transmission internal mode switch (ims)
• Backup lamp sply volt
• Battery positive volt
• Bcm class 2 serial data
• Body control module (bcm) (left side of dash)
• Chmsl/ bkup fuse 15a
• Computer data lines system
• G301 (front of driver's door sill)
• G302 (front of front passenger's door sill)
• Hot at all times
• I/p fuse block (right side of dash)
• J101
• J900
• J901
• Left backup lamp
• Pcm class 2 serial data
• Powertrain control module (pcm)
• Right backup lamp
• Splice pack jx307 (body wiring harness, under passenger seat, at rear carpet)
• Tr sw sig a
• Tr sw sig b

5.3L VIN C

5.3L VIN C, Backup Lamps Wiring Diagram for Buick LaCrosse CXL 2009

List of elements for 5.3L VIN C, Backup Lamps Wiring Diagram for Buick LaCrosse CXL 2009:

• (left side of engine) g115
• Automatic transmission
• Automatic transmission internal mode switch (ims)
• Backup lamp sply volt
• Battery positive volt
• Bcm class 2 serial data
• Body control module (bcm) (left side of dash)
• Chmsl/ bkup fuse 15a
• Computer data lines system
• G301 (front of driver's door sill)
• G302 (front of front passenger's door sill)
• Gmlan ser data
• Hot at all times
• I/p fuse block (right side of dash)
• J125
• J900
• J901
• Left backup lamp
• Right backup lamp
• Splice pack jx307 (body wiring harness, under passenger seat, at rear carpet)
• Tan
• Tr sig a
• Tr sig b
• Transmission control module (tcm) (left front of engine compt)