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BMW 3 SERIES
MODEL YEAR(S
3 SERIES 1992-1998
KEY T-HARNESS IMMOBILIZER
N/A N/A BMW'S TRANSPONDER ANTI-THEFT SYSTEM, See NOTE #3
PART COLOR LOCATION DIAGRAM
12 VOLT CONSTANT RED/WHITE (+) or RED (+) @ IGNITION SWITCH HARNESS
STARTER BLACK/YELLOW (+) or BLACK (+) @ IGNITION SWITCH HARNESS
STARTER 2 N/A
IGNITION 1 GREEN (+) @ IGNITION SWITCH HARNESS
IGNITION 2 PURPLE/WHITE (+) or PURPLE (+) @ IGNITION SWITCH HARNESS
IGNITION 3 N/A
ACCESSORY/HEATER BLOWER 1 N/A
ACCESSORY/HEATER BLOWER 2 N/A
KEYSENSE N/A
PARKING LIGHTS ( - ) N/A
PARKING LIGHTS ( + ) GRAY/PURPLE (+) and GRAY/YELLOW (+) Use both wires, See NOTE #1 @ HEADLIGHT SWITCH, See DIAGRAM 21431_3-SERIES_DUAL PARKING LIGHT DIAGRAM.pdf
POWER LOCK WHITE/RED (TYPE A) @ FACTORY ALARM PLUG, See NOTE #2
POWER UNLOCK BLUE/RED (TYPE A) @ FACTORY ALARM PLUG, See NOTE #2
LOCK MOTOR WIRE N/A
DOOR TRIGGER BROWN/GRAY (-) @ FACTORY ALARM PLUG, See NOTE #2
DOMELIGHT SUPERVISION TURNS ON with UNLOCK
TRUNK RELEASE N/A
SLIDING POWER DOOR N/A
HORN BROWN/RED (-) or BROWN/YELLOW (-) @ STEERING COLUMN HARNESS
TACH BLACK (AC) @ INSTRUMENT CLUSTER
WAIT TO START LIGHT N/A
BRAKE BLUE/RED (+) or GREEN/RED (+) @ SWITCH ABOVE BRAKE PEDAL
FACTORY ALARM DISARM DISARMS with FACTORY REMOTE ONLY!!!
ANTI-THEFT BMW'S TRANSPONDER ANTI-THEFT SYSTEM, See NOTE #3 @ IGNITION SWITCH TUMBLER
NOTES
NOTE #1: this vehicle has a DUAL PARKING LIGHT System that will require 2 extra Relays Part

#775 to connect, See DIAGRAM





NOTE #2: The alarm plug is a black 12 pin plug located just behind the glove box. It is mounted with the pins facing you atop a vent just to the left of the body computer. Other wires at the alarm plug are: 12V- red/white; Accessory- purple/white; Siren- black/blue; Ground- brown/orange.







NOTE #3: the 1997 Model Year vehicle may require a 791 Bypass Module and an Extra Ignition

Key, if vehicle is equipped with a Special Key from BMW.
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