2004 Audi A4 Radio Wiring Guide

2005 Audi A4 Specification Review

2005 Audi A4 Radio Wiring Guide – The A4 is luxurious, sporty, winterproof and a few grand cheaper than BMW’s 3 Series. As such, it’s one of our favorite entry-luxury cars. A4 sedans and wagons get new bi-xenon headlamps along with a new satellite/navigation/AM and FM radio antenna. Satellite radio (XM or Sirius) is now optional on the A4 Cabriolet. OnStar is no longer an available option. A substantially refreshed A4 debuts as a midyear release, and boasts new engines, an upgraded chassis and revised styling.

Sometimes it is difficult for 2005 Audi A4 enthusiasts and fanatics to install the electronics component. This is caused by the activity to identify color codes for each component is really time consuming. The Radio Wiring Guide below is provided to help you repair or modify your 2005 Audi A4 in order to shorten the time to identify the correct color for each component.

2005 Audi A4 Radio Wiring Guide (For Free!)

2005 Audi A4 Radio Wiring Guide (Picture View)

2005 Audi A4 Radio Wiring Guide

2005 Audi A4 Radio Wiring Guide (Table View)

Components Color / Remark
Car Radio Battery Constant 12V+ Wire Red/White
Car Radio Accessory Switched 12V+ Wire Black/Blue
Car Radio Ground Wire Brown
Car Radio Illumination Wire Gray/Blue
Car Radio Dimmer Wire Red/Yellow
Left Front Speaker Positive Wire (+) Blue/White
Left Front Speaker Negative Wire (-) Brown/White
Right Front Speaker Positive Wire (+) Red
Right Front Speaker Negative Wire (-) Brown/Red
Left Rear Speaker Positive Wire (+) Brown/White
Left Rear Speaker Negative Wire (-) Blue/White
Right Rear Speaker Positive Wire (+) Brown/Red
Right Rear Speaker Negative Wire (-) Red

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