Whether your an expert Audi S4 car alarm installer, Audi S4 performance fan or a novice Audi S4 enthusiast with a 2003 Audi S4, a Audi S4 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 2003 Audi S4 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 S4 car alarm wiring diagrams, Audi S4 car security wiring diagrams, Audi S4 car alarm wire diagrams, Audi S4 car security wiring schematics, Audi S4 car security diagrams, Audi S4 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 S4 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 2003 Audi S4.
If you have any questions pertaining to the car wiring in a 2003 Audi S4 , 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’re looking for.
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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 2003 Audi S4 on this page.
2003 Audi S4 Car Alarm Wiring Instructions
Battery Constant 12v+ Positive Wire (+): Red
Battery Constant 12v+ Positive Wire Location: Ignition Switch Harness
Starter Positive Wire (+): Red/Black
Starter Positive Wire Location: Ignition Switch Harness
Ignition Positive Wire (+): Black
Ignition Positive Wire Location: Ignition Switch Harness
Second Ignition Positive Wire (+): Red (Thin Wire)
Second Ignition Positive Wire Location: Ignition Switch Harness
Accessory Positive Wire (+): Black/Yellow
Accessory Positive Wire Location: Ignition Switch Harness
Parking Light Negative Wire (-): N/A
Parking Light Negative Wire Location: N/A
Parking Light Positive Wire (+): Gray/Black (Left) and Gray/Red (Right) at Light Switch (Diode Isolate Both Wires)
Parking Light Positive Wire Location: At Vehicle Light Switch
Power Door Lock Negative Wire (-): Gray/White
Power Door Lock Negative Wire Location: Tan Connector in the Driver Side Kick Panel
Power Door Unlock Negative Wire (-): Red/Brown
Power Door Unlock Negative Wire Location: Tan Connector in the Driver Side Kick Panel
Door Trigger Negative Wire (-): Brown/White (Diode Isolate all Triggers)
Door Trigger Negative Wire Location: At Door Triggers
Domelight Supervision Wire (-): N/A
Domelight Supervision Wire Location: N/A
Trunk Release Negative Wire (-): White/Black
Trunk Release Negative Wire Location: In Driver Side Kick Panel or Anti-Theft Module
Horn Negative Wire (-): N/A
Horn Negative Wire Location: N/A
Tachometer Wire Negative Wire (-): Gray
Tachometer Wire Negative Wire Location: At Ignition Coil
Brake Light Positive Wire (+): Red/Black
Brake Light Positive Wire Location: At Switch Above Brake Pedal
Factory Alarm Disarm Wire (-): N/A
Factory Alarm Disarm Wire Location: N/A
Factory Anti-Theft System: Vehilcle Immobilizer
Factory Anti-Theft System Location: Key Sends a RF Signal to the BCM Module