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AUDI A4
MODEL YEAR(S
A4 1998-1999
KEY T-HARNESS IMMOBILIZER
N/A N/A N/A
PART COLOR LOCATION DIAGRAM
12 VOLT CONSTANT RED (+) @ IGNITION SWITCH HARNESS
STARTER RED/BLACK (+) @ IGNITION SWITCH HARNESS
STARTER 2 BLUE (+) @ IGNITION SWITCH HARNESS
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 1150_A4_DUAL PARKING LIGHT DIAGRAM.pdf
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
LOCK MOTOR WIRE N/A
DOOR TRIGGER BROWN/YELLOW (-) and BROWN/WHITE (-) See NOTE #3 IN BOTH KICK PANELS 14301_A4_(-) NEGATIVE DOOR PIN ISOLATION CIRCUIT.pdf
DOMELIGHT SUPERVISION BROWN/YELLOW (-) (Requires #775 relay for DOMELIGHT SUPERVISION) IN DRIVERS KICK PANEL
TRUNK RELEASE YELLOW/RED (+) @ TRUCK RELEASE SWITCH
SLIDING POWER DOOR N/A
HORN BLACK/YELLOW (+) @ HORN RELAY
TACH GREEN/BLUE See NOTE *4
WAIT TO START LIGHT N/A
BRAKE RED/BLACK (+) @ SWITCH ABOVE BRAKE PEDAL
FACTORY ALARM DISARM GRAY/WHITE (-) See NOTE #5 @ SECURITY MODULE See NOTE #2
ANTI-THEFT N/A
NOTES
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 PASSENGER side of

the TRUNK





NOTE #3: the BROWN/YELLOW (-) in the DRIVERS KICK PANEL is for the DRIVERS DOOR, the

BROWN/WHITE (-) in the PASSENGER KICK PANEL is for all other doors. When

connecting to an ALARM SYSTEM use both wires and DIODE ISOLATE See DIAGRAM





NOTE #4: the TACH wire is at the INSTRUMENT CLUSTER or can be found at the ECM on the

DRIVERS SIDE FIREWALL.





NOTE #5: when testing this wire, you must test while turning the key in the TRUNK KEY

CYLINDER.
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