EXTERIOR LIGHTS – Cadillac CTS 2009 – SYSTEM WIRING DIAGRAMS

EXTERIOR LIGHTS

Backup Lamps Wiring Diagram for Cadillac CTS 2009

List of elements for Backup Lamps Wiring Diagram for Cadillac CTS 2009:

• Automatic transmission
• Automatic transmission internal mode switch (ims)
• B+ volt
• Backup lamp sply volt x6
• Bcm 4 fuse 10a
• Body control module (bcm)
• Computer data lines system
• Control solenoid valve assembly
• G401 (right rear shock tower)
• G402 (left rear shock tower)
• Gm lan ser data bus +
• Gm lan ser data bus -
• Hot at all times
• Inside rearview mirror (isrvm)
• J379 (body harness, near branch for g102)
• Left tail lamp
• Logic
• Red
• Right tail lamp
• Serial data +
• Serial data -
• Sig a
• Sig b
• Sply volt
• Tan
• Transmission control module (tcm)
• Underhood fuse block (right front of engine compt)

Exterior Lamps Wiring Diagram (1 of 2) for Cadillac CTS 2009

List of elements for Exterior Lamps Wiring Diagram (1 of 2) for Cadillac CTS 2009:

• 5 volt ref
• Auto
• Automatic transmission (if equipped)
• Backup lamps circuit
• Bcm 4 fuse 10a
• Bcm 5 fuse 10a
• Bcm 6 fuse 15a
• Body control module (bcm)
• Brake pedal position sensor (top of brake pedal)
• Computer data lines system
• Detection sig
• Display fuse 10a
• Engine control module (ecm) (front of right valve cover)
• G101 (left front strut tower)
• G104 (near right headlight)
• G200 (left kick panel)
• G402 (left rear shock tower)
• Gnd
• Hazard sw sig
• Hazard switch
• Head
• Hot at all times
• Instrument panel cluster (ipc)
• J180
• J186
• J201
• J205
• J240
• Left
• Left front turn signal lamp
• Left tail lamp
• Left turn ind
• Left turn sw sig
• Logic
• Low ref
• Off
• Park
• Park lamp on sig
• Radio/hvac control
• Right
• Right front turn signal lamp
• Right turn ind
• Right turn sw sig
• Serial data
• Sply volt
• Sply volt x2
• Stop lamp sw sig
• Stp lp
• Stp lp sply volt
• Tan
• Turn signal/ multi-function switch
• Underhood fuse block (right front of engine compt)

Exterior Lamps Wiring Diagram (2 of 2) for Cadillac CTS 2009

List of elements for Exterior Lamps Wiring Diagram (2 of 2) for Cadillac CTS 2009:

• (in forward lamp harness, near right cooling fan connector) j116
• (in license lamp harness, near left license lamp) j420
• Backup lamps circuit
• Center high mounted stop lamp (chmsl)
• G101 (left front strut tower)
• G104 (near right headlight)
• G401 (right rear shock tower)
• Hot at all times
• J180
• J186
• J401
• J430
• Left front marker lamp
• Left front park lamp
• Left license lamp
• Logic
• Lt/pos/ lp relay
• Lt/pos/lp fuse 10a
• Rear fuse block (right rear of luggage compt)
• Right front marker lamp
• Right front park lamp
• Right license lamp
• Right tail lamp
• Rt/pos/lp fuse 10a