Repair Diagrams for 2003 Audi A4 Quattro Engine, Transmission, Lighting, AC, Electrical & Warning Systems

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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 Audi A4 Quattro car and truck repair procedures including Audi engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up & drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix your 2003 Audi A4 Quattro automobile. Try the Automotix DIY solution today!

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We have info for following modifications of 2003 Audi A4 Quattro

2003 Audi A4 Quattro 1.8 L4 GAS, CC:1781, Fuel Injection, Engine VIN:, Desg:C
2003 Audi A4 Quattro 3.0 V6 GAS, CC:2976, Fuel Injection, Engine VIN:, Desg:T
2003 Audi A4 Quattro Avant 1.8 L4 GAS, CC:1781, Fuel Injection, Engine VIN:, Desg:C
2003 Audi A4 Quattro Avant 3.0 V6 GAS, CC:2976, Fuel Injection, Engine VIN:, Desg:T

WIRING DIAGRAMS FOR 2003 Audi A4 Quattro AUTOMOBILES

OEM drawn wiring diagrams for most 2003 Audi A4 Quattro cars and light trucks sold in the U.S.

2003 Audi A4 Quattro Avant 3.0 V6 GAS Wiring Diagram

Components on diagram:

Battery

Generator

Voltage Regulator

Clutch Vacuum Vent Valve Switch

Locking Relay For Starter

2003 Audi A4 Quattro Avant 1.8 L4 GAS Wiring Diagram

Components on diagram:

Driver's Backrest Adjustment Switch

Motor for Seatback Adjustment Driver Seat

2003 Audi A4 Quattro 3.0 V6 GAS Wiring Diagram

Components on diagram:

A/C Control Head

Driver's Seat Side Bolster Heater

Driver's Heated Seat Temperature Sensor

Driver's Backrest Heating Element

Driver's Seat Heating Element

2003 Audi A4 Quattro Avant 3.0 V6 GAS Wiring Diagram

Components on diagram:

Load Reduction Relay

2003 Audi A4 Quattro 1.8 L4 GAS Wiring Diagram

Components on diagram:

Luggage Compartment Light

Glove Compartment Light

Control Module With Indicator Unit Instrument Panel Insert

Rear Lid Light

2003 Audi A4 Quattro Avant 3.0 V6 GAS Wiring Diagram

Components on diagram:

Engine Control Module

Cruise Control Switch

Steering Column Electronic Systems Control Module

2003 Audi A4 Quattro 1.8 L4 GAS Wiring Diagram

Components on diagram:

Engine Compartment Left

Headlight Wiring Harness

Luggage Compartment Left

2003 Audi A4 Quattro 1.8 L4 GAS Wiring Diagram

Components on diagram:

High Tone Horn

Low Tone Horn

Switch for Emergency Flasher

2003 Audi A4 Quattro 3.0 V6 GAS Wiring Diagram

Components on diagram:

Light Switch

Fog Light Switch

Headlight Adjuster

Vehicle Electrical System Control Module

2003 Audi A4 Quattro Avant 3.0 V6 GAS Wiring Diagram

Components on diagram:

Control Module With Indicator Unit In Instrument Panel Insert

Right Instrument Panel Vent Illumination

Left Instrument Panel Vent Illumination

Center Instrument Panel Vent Illumination

Coin Holder Illumination

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Access diagrams and repair information such as wiring diagrams, diagnosis and repair charts, manufacturer service bulletins, and OEM Part numbers of your 2003 Audi A4 Quattro vehicle.