Audi  A3 2009-
 PART   COLOR  LOCATION
 12 VOLT CONSTANT   RED/BLACK(+) and RED/BLUE(+) 30 AMP   @ VESCM, (2-PIN PLUG(L), PIN 1, (11-PIN PLUG(A), PIN 1, NOTE #2
 STARTER  RED/BLACK (+)  @ VESCM, (BLACK, 12-PIN PLUG(G), PIN 1, NOTE #2
 STARTER 2  N/A  
 IGNITION 1  BLACK (+)  @ VESCM, (BLACK, 12-PIN PLUG(G), PIN 11, NOTE #2
 IGNITION 2  N/A  
 IGNITION 3  N/A  
 ACCESSORY/HEATER BLOWER 1  N/A  
 ACCESSORY/HEATER BLOWER 2  N/A  
 KEYSENSE  N/A  
 PARKING LIGHTS ( - )  GRAY/YELLOW (-), NOTE #3  @ HEADLIGHT Switch or VESCM, (BLACK, 16-PIN PLUG(E), PIN 1, NOTE #2
 PARKING LIGHTS ( + )  GRAY/BLACK(+)(Left Front) and GRAY/RED(+)(Right Front), use both, NOTE #4  @ VESCM, (11-PIN PLUG(A), PIN 7, (11-PIN PLUG(D), PIN 10, NOTE #2
 POWER LOCK  PURPLE/BLUE (TYPE B)  @ DRIVERS DOOR CONTROL MODULE, (32-PIN PLUG), PIN 32
 POWER UNLOCK  Use LOCK wire  
 DOOR TRIGGER  GRAY/PURPLE (-)  @ DRIVERS DOOR CONTROL MODULE, (20-PIN PLUG), PIN 7
 DOMELIGHT SUPERVISION  BLUE/GRAY (-)  @ VESCM, (12-PIN PLUG(B), PIN 11, NOTE #2
 TRUNK RELEASE  WHITE/GRAY (-)  @ DRIVERS DOOR CONTROL MODULE, (32-PIN PLUG), PIN 30
 SLIDING POWER DOOR  N/A  
 HORN  BLACK/YELLOW (+)  @ VESCM, (6-PIN PLUG(J), PIN 6, NOTE #2
 TACH  NOTE #5  @ Any FUEL-INJECTOR
 WAIT TO START LIGHT  N/A  
 BRAKE  BLACK/YELLOW (+)  @ BRAKE PEDAL Switch or VESCM, (BLACK, 16-PIN PLUG(E), PIN 2, NOTE #2
 FACTORY ALARM DISARM   BLUE/WHITE (-) NOTE #6  @ DRIVERS DOOR CONTROL MODULE, (20-PIN PLUG), PIN 16
 ANTI-THEFT  AUDI'S TRANSPONDER ANTI-THEFT SYSTEM, See NOTE #1  @ IGNITION SWITCH TUMBLER
 EXTRA INFORMATION
 NOTE #1: AUDI'S TRANSPONDER ANTI-THEFT SYSTEM, Requires Bypass Module, Part # 791 Bypass and an extra ignition key for REMOTE STARTING Operation. To order go to the SECURITY BYPASS MODULE Page on the website. NOTE #2: the VESCM, (Vehicle Electronic System Control Module) is part of the RELAY BOX, UNDER the DRIVERS DASH. NOTE #3: the HEADLIGHT SWITCH OFF wire will need to be INTERRUPTED with a RELAY at the HEADLIGHT SWITCH, the wire is a BLACK/WHITE (-) @ the VESCM, (BLACK, 16-PIN PLUG(E), PIN 16. NOTE #4: the LEFT REAR Parking light is a GRAY/BLACK(+) at VESCM,(12-PIN PLUG), PIN 10 and RIGHT REAR Parking light is a GRAY/RED(+) @ VESCM,(12-PIN PLUG), PIN 9 use all 4 and ISOLATE with RELAYS. NOTE #5: Any wire NOT RED STRIPED(2.0T) and any wire NOT RED/BLACK(3.2) all TEST (AC) NOTE #6: TEST this wire while Turning the KEY in the DRIVERS DOOR.