2004 Audi A6 Car Alarm Wiring Guide

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Whether your an expert Audi A6 car alarm installer, Audi A6 performance fan or a novice Audi A6 enthusiast with a 2004 Audi A6, a Audi A6 car alarm wiring diagram can save yourself a lot of time. One of the most time consuming tasks with installing an after market car alarm, car security, car remote start, automatic remote starter, shock sensor, tilt sensor, car alarm sensor or any auto alarm is identifying the correct color car security wires for a 2004 Audi A6 headlight bulb size you need for your low beam or high beam and save time. Also, find your other car light bulb sizes including your fog light, reverse light, turn signal, brake light and more. It’s that easy!

The Modified Life staff has taken all its Audi A6 car alarm wiring diagrams, Audi A6 car security wiring diagrams, Audi A6 car alarm wire diagrams, Audi A6 car security wiring schematics, Audi A6 car security diagrams, Audi A6 remote starter wiring diagrams and cataloged them online for our visitors to use for free. Our automotive wiring diagrams allow you to enjoy your new auto security electronics rather than spend countless hours trying to figure out which wires goes where.

Feel free to use any Audi A6 auto alarm wiring diagram that is listed on Modified Life but keep in mind that all information here is provided “as is” without any warranty of any kind and most of the auto security wiring diagrams listed on our enthusiast website are submitted by the Modified Life community. Use of the wiring information is at your own risk. Always verify all wires, wire colors and diagrams before applying any information found here to your 2004 Audi A6.

Questions

If you have any questions pertaining to the car wiring in a 2004 Audi A6, please feel free to post it at the bottom of this page and either we’ll do our best to find you the information you need or hopefully someone in the Modified Life community will have the information you are looking for.

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Adding More Information

If you would like to help the Modified Life community by adding a car security wire schematic, car alarm wire diagram, car remote starter wire diagram, auto remote starter wire diagram or auto security wire diagram to our resource, please feel free to post any additional car wiring information about the 2004 Audi A6 on this page.

2004 Audi A6 Car Alarm Wiring Guide

Battery Constant 12v+ Positive Wire (+): Red
Battery Constant 12v+ Positive Wire Location: Ignition Switch Harness

Starter Positive Wire (+): Red/Black (When installing a remote starter, you must use both starter #1 and starter #2 wires. Both wires must be connected to the starter/cranking output wire from the remote starter or the vehicle will not remote start when the engine is cold.)
Starter Positive Wire Location: Ignition Switch Harness

Second Ignition Positive Wire (+): Blue (When installing a remote starter, you must use both starter #1 and starter #2 wires. Both wires must be connected to the starter/cranking output wire from the remote starter or the vehicle will not remote start when the engine is cold.)
Second Ignition Positive Wire Location: Ignition Switch Harness

Ignition Positive Wire (+): Black
Ignition Positive Wire Location: Ignition Switch Harness

Accessory Positive Wire (+): Yellow/Black
Accessory Positive Wire Location: Ignition Switch Harness

Parking Light Negative Wire (-): If equipped with Daytime Running Lights, use Green/Gray wire. On vehicles with DLR, use the green/gray (+) at the headlight switch, use a relay to isolate this wire use the diagram 5-wire isolation on the (-) parking lights info. On vehicles without the DRL, use the green/black (+) and green/red (+) wires at the headlight switch.
Parking Light Negative Wire Location: At Headlight Switch See Diagram

Parking Light Positive Wire (+): If not equipped with Daytime Running Lights. On vehicles with DLR, use the green/gray (+) at the headlight switch, use a relay to isolate this wire use the diagram 5-wire isolation on the (-) parking lights info. On vehicles without the DRL, use the green/black (+) and green/red (+) wires at the headlight switch.
Parking Light Positive Wire Location: At Headlight Switch See Diagram

Power Door Lock Negative Wire (-): Green/Blue (Do not program in the ignition controlled door locks from the unit, this may cause problems with the interior lights in the vehicle.)
Power Door Lock Negative Wire Location: At Central Locking Control Module (C3, Pin 12). The central locking control module is under the carpet in front of the drivers seat.

Power Door Unlock Negative Wire (-): Brown/Yellow (Negative (-)) Requires Double Pulse See Note *4
Power Door Unlock Negative Wire Location: At Central Locking Control Module (C3, Pin 6). The central locking control module is under the carpet in front of the drivers seat.

Door Trigger Positive Wire (+): Drivers door trigger is green/yellow (-) in pin 1, front passenger door is red/gray (-) in pin 10, left rear door is black/red (-) pin 12 and right rear door is black/purple (-) in pin 14 when connecting to an alarm system use all 4 wires and diode isolate.
Door Trigger Positive Wire Location: At Central Locking Control (Module C5). The central locking control module is under the carpet in front of the drivers seat.

Domelight Supervision Wire: Brown/White (-)
Domelight Supervision Wire Location: At Central Locking Control (Module C1, Pin 2). The central locking control module is under the carpet in front of the drivers seat.

Trunk Release Negative Wire (-): Purple/Green (+)
Trunk Release Negative Wire Location: At Central Locking Control (Module C4, Pin 5). The central locking control module is under the carpet in front of the drivers seat.

Horn Negative Wire (-): Black/Yellow (+)
Horn Negative Wire Location: At Horn Relay, Under Drivers Side Of Dash

Tachometer Wire Negative Wire (-): Any Wire Not Red/Green, Brown/Yellow, Brown Or Brown/White
Tachometer Wire Negative Wire Location: At Any Ignition Coil

Brake Light Positive Wire (+): Red/Black (+) or Red/White (+)
Brake Light Positive Wire Location: At Switch Above Brake Pedal

Factory Alarm Disarm Wire (-): Disarms With Unlock, Single Pulse On Unlock Wire, Disarms
Factory Alarm Disarm Wire Location: N/A

Factory Anti-Theft Wire (-): Transponder Anti-Theft System, Requires Bypass Module And Extra Ignition Key
Factory Anti-Theft Wire Location: Transponder At Ignition Switch Tumbler

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