HEADLIGHTS – Audi A4 2004 – SYSTEM WIRING DIAGRAMS

HEADLIGHTS

Headlamps & Fog Lamps Wiring Diagram, with Convertible with High Intensity Gas Discharge Headlights for Audi A4 2004

List of elements for Headlamps & Fog Lamps Wiring Diagram, with Convertible with High Intensity Gas Discharge Headlights for Audi A4 2004:

• (w/ light sensor)
• 10a
• 56a
• 56b
• 9-pin relay carrier (in instrument panel)
• Acc
• Anti-lock brakes system
• Battery
• Computer data lines system
• Fog light switch
• Fuse 10a
• Fuse 150a
• Fuse holder (left end of dash)
• Fuse strip (main fuse)
• G12 (on left center of firewall, near coolant reservoir)
• G43 (behind right kick panel)
• G49 (behind left side of dash)
• G662 (left rear side of vehicle)
• Headlight range control module (behind glove box)
• Headlight switch
• High intensity gas discharge lamp
• Hot at all times
• Hot in run or start
• Ignition switch
• Instrument cluster system
• Interior lights system
• Left front fog light
• Left front level control system sensor (on left front suspension assembly, in wheelwell)
• Left headlight assembly
• Left headlight beam adjusting motor
• Left high beam head- light
• Left rear fog light
• Left rear level control system sensor (on left rear suspension assembly, in wheelwell)
• Light switch
• Load reduction relay
• Nca
• Off
• Red
• Right front fog light
• Right headlight assembly
• Right headlight beam adjusting motor
• Right high beam head- light
• Run
• Start
• Starting/ charging system
• Steering column electronic systems control module (top of steering column)
• T16a
• T23
• T32b
• Transmissions system
• Turn signal switch (headlight dimmer switch)
• Vehicle electrical system control module (behind left side of dash)
• W/ light sensor

Headlamps & Fog Lamps Wiring Diagram, with Convertible with Standard Headlights for Audi A4 2004

List of elements for Headlamps & Fog Lamps Wiring Diagram, with Convertible with Standard Headlights for Audi A4 2004:

• 56a
• 56b
• 9-pin relay carrier (in instrument panel)
• Acc
• Battery
• Computer data lines system
• Fog light switch
• Fuse 150a
• Fuse strip (main fuse)
• G12 (on left center of firewall, near coolant reservoir)
• G43 (behind right kick panel)
• G49 (behind left side of dash)
• G662 (left rear side of vehicle)
• Headlight switch
• Hot at all times
• Ignition switch
• Interior lights system
• Left front fog light
• Left headlight assembly
• Left rear fog light
• Light switch
• Load reduction relay
• Nca
• Off
• Red
• Right front fog light
• Right headlight assembly
• Run
• Start
• Steering column electronic systems control module (top of steering column)
• T23
• T32b
• Turn signal switch (headlight dimmer switch)
• Vehicle electrical system control module (behind left side of dash)
• W/ light sensor

Headlamps & Fog Lamps Wiring Diagram, without Convertible with High Intensity Gas Discharge Headlights High Option Content for Audi A4 2004

List of elements for Headlamps & Fog Lamps Wiring Diagram, without Convertible with High Intensity Gas Discharge Headlights High Option Content for Audi A4 2004:

• (w/ light sensor)
• 10a
• 56a
• 56b
• 9-pin relay carrier (in instrument panel)
• Acc
• Anti-lock brakes system
• Battery
• Computer data lines system
• Fog light switch
• Fuse 10a
• Fuse 150a
• Fuse holder (left end of dash)
• Fuse strip (main fuse)
• G12 (on left center of firewall, near coolant reservoir)
• G33 (behind right side of dash)
• G43 (lower right "a" pillar)
• G662 (left rear side of vehicle)
• Headlight range control module (behind glove box)
• Headlight switch
• High intensity gas discharge lamp
• Hot at all times
• Hot in run or start
• Ignition switch
• Instrument cluster system
• Interior lights system
• Left front fog light
• Left front level control system sensor (on left front suspension assembly, in wheelwell)
• Left headlight assembly
• Left headlight beam adjusting motor
• Left high beam head- light
• Left rear fog light
• Left rear level control system sensor (on left rear suspension assembly, in wheelwell)
• Light switch
• Load reduction relay
• Nca
• Off
• Red
• Right front fog light
• Right headlight assembly
• Right headlight beam adjusting motor
• Right high beam head- light
• Run
• Start
• Starting/ charging system
• Steering column electronic systems control module (top of steering column)
• T16a
• T23
• T32b
• Transmissions system
• Turn signal switch (headlight dimmer switch)
• Vehicle electrical system control module (behind left side of dash)
• W/ light sensor

Headlamps & Fog Lamps Wiring Diagram, without Convertible with High Intensity Gas Discharge Headlights Low Option Content for Audi A4 2004

List of elements for Headlamps & Fog Lamps Wiring Diagram, without Convertible with High Intensity Gas Discharge Headlights Low Option Content for Audi A4 2004:

• (w/ light sensor)
• 10a
• 20a
• 21a
• 56a
• 56b
• 9-pin relay carrier (in instrument panel)
• Acc
• Anti-lock brakes system
• Battery
• Computer data lines system
• Fog light switch
• Fuse 10a
• Fuse 150a
• Fuse 15a
• Fuse holder (left end of dash)
• Fuse strip (main fuse)
• G12 (on left center of firewall, near coolant reservoir)
• G33 (behind right side of dash)
• G43 (lower right "a" pillar)
• G662 (left rear side of vehicle)
• Headlight range control module (behind glove box)
• Headlight switch
• High intensity gas discharge lamp
• Hot at all times
• Hot in run or start
• Ignition switch
• Instrument cluster system
• Interior lights system
• Left front fog light
• Left front level control system sensor (on left front suspension assembly, in wheelwell)
• Left headlight assembly
• Left headlight beam adjusting motor
• Left high beam head- light
• Left rear fog light
• Left rear level control system sensor (on left rear suspension assembly, in wheelwell)
• Light switch
• Load reduction relay
• Nca
• Off
• Red
• Right front fog light
• Right headlight assembly
• Right headlight beam adjusting motor
• Right high beam head- light
• Run
• Start
• Starting/ charging system
• Steering column electronic systems control module (top of steering column)
• T16a
• T23
• T32b
• Transmissions system
• Turn signal switch (headlight dimmer switch)
• Vehicle electrical system control module (behind left side of dash)
• W/ light sensor

Headlamps & Fog Lamps Wiring Diagram, without Convertible with Standard Headlights for Audi A4 2004

List of elements for Headlamps & Fog Lamps Wiring Diagram, without Convertible with Standard Headlights for Audi A4 2004:

• 56a
• 56b
• 9-pin relay carrier (in instrument panel)
• Acc
• Battery
• Computer data lines system
• Fog light switch
• Fuse 150a
• Fuse strip (main fuse)
• G12 (on left center of firewall, near coolant reservoir)
• G33 (behind right side of dash)
• G43 (lower right "a" pillar)
• G662 (left rear side of vehicle)
• Headlight switch
• Hot at all times
• Ignition switch
• Interior lights system
• Left front fog light
• Left headlight assembly
• Left rear fog light
• Light switch
• Load reduction relay
• Nca
• Off
• Red
• Right front fog light
• Right headlight assembly
• Run
• Start
• Steering column electronic systems control module (top of steering column)
• T23
• T32b
• Turn signal switch (headlight dimmer switch)
• Vehicle electrical system control module (behind left side of dash)
• W/ light sensor