Audi  A4 2000-2001
 PART   COLOR  LOCATION
 12 VOLT CONSTANT   RED (+)   @ IGNITION SWITCH HARNESS
 STARTER  RED/BLACK (+)  @ IGNITION SWITCH HARNESS
 STARTER 2  N/A  
 IGNITION 1  BLACK (+)  @ IGNITION SWITCH HARNESS
 IGNITION 2  N/A  
 IGNITION 3  N/A  
 ACCESSORY/HEATER BLOWER 1  YELLOW/BLACK (+)  @ IGNITION SWITCH HARNESS
 ACCESSORY/HEATER BLOWER 2  N/A  
 KEYSENSE  N/A  
 PARKING LIGHTS ( - )  N/A  
 PARKING LIGHTS ( + )  GRAY/BLACK (+) and GRAY/RED (+) Use both, See NOTE #1  @ HEADLIGHT SWITCH, See DIAGRAM
 POWER LOCK  BROWN/GRAY or RED/BROWN (TYPE B)  IN DRIVERS KICK PANEL or SECURITY MODULE, See NOTE #2
 POWER UNLOCK  GRAY/WHITE (TYPE B) (Requires Double Pulse)  IN DRIVERS KICK PANEL or SECURITY MODULE, See NOTE #2
 DOOR TRIGGER  BROWN/YELLOW (-) and BROWN/WHITE (-) See NOTE #3  IN BOTH KICK PANELS
 DOMELIGHT SUPERVISION  USE DOOR TRIGGER, (Requires #775 relay for DOMELIGHT SUPERVISION)  
 TRUNK RELEASE  YELLOW/RED (+)  @ TRUCK RELEASE SWITCH
 SLIDING POWER DOOR  N/A  
 HORN  BLACK/YELLOW (+)  @ HORN RELAY
 TACH  GREEN/BLUE (AC)  @ INSTRUMENT CLUSTER or ECM, See NOTE #4
 WAIT TO START LIGHT  N/A  
 BRAKE  RED/BLACK (+)  @ SWITCH ABOVE BRAKE PEDAL
 FACTORY ALARM DISARM   DISARMS WITH UNLOCK, Single Pulse Disarms  
 ANTI-THEFT  AUDI'S TRANSPONDER ANTI-THEFT SYSTEM, See NOTE #5  @ IGNITION SWITCH TUMBLER
 EXTRA INFORMATION
 NOTE #1: this vehicle uses 2 Parking Light wires you will need 2 extra Relays to connect, See DIAGRAM NOTE #2: the FACTORY SECURITY MODULE is located at the BOTTOM of the TRUNK, PASSENGER side of the vehicle. NOTE #3: the DRIVERS DOOR is a BROWN/YELLOW (-) in the DRIVERS KICK PANEL and to catch all other doors use the BROWN/WHITE (-) in the PASSENGER KICK PANEL. When connecting to an ALARM SYSTEM use both wires and DIODE ISOLATE See DIAGRAM NOTE #4: the ECM is located on the DRIVERS SIDE FIREWALL NOTE #5: AUDI'S TRANSPONDER ANTI-THEFT SYSTEM, for Remote Starting requires part # 791 BYPASS MODULE and an Extra Ignition Key for Operation. to oreder go to the SECURITY BYPASS MODULE Page on this website