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BUICK LACROSSE
MODEL YEAR(S
LACROSSE 2011-2016
KEY T-HARNESS IMMOBILIZER
N/A N/A GM'S MULTIPLEX IGNITION/TRANSPONDER SYSTEM, See NOTE #1
PART COLOR LOCATION DIAGRAM
12 VOLT CONSTANT CONNECT TO BATTERY ONLY!
STARTER CONNECTION MADE AT INTERFACE BYPASS MODULE
STARTER 2 N/A
IGNITION 1 PURPLE (+) or PURPLE/BLACK (+) @ BCM, LT. GREEN 25-PIN PLUG, PIN 6, SEE NOTE #2
IGNITION 2 N/A
IGNITION 3 N/A
ACCESSORY/HEATER BLOWER 1 PURPLE(+) or PURPLE/YELLOW (+) @ BCM, LT. GREEN 25-PIN PLUG, PIN 5, SEE NOTE #2
ACCESSORY/HEATER BLOWER 2 N/A
KEYSENSE N/A
PARKING LIGHTS ( - ) LT. GREEN (-) @ BCM, WHITE 26-PIN PLUG, PIN 22, SEE NOTE #2
PARKING LIGHTS ( + ) N/A
POWER LOCK BROWN/YELLOW (-) CONNECTION MADE AT INTERFACE BYPASS MODULE IF USING A DBALL2 @ BCM BLUE 27-PIN PLUG,PIN 19
POWER UNLOCK BROWN/WHITE (-) CONNECTION MADE AT INTERFACE BYPASS MODULE @ BCM BLUE 27-PIN PLUG ,PIN 15
LOCK MOTOR WIRE N/A
DOOR TRIGGER GRAY (-) @ DRIVER WINDOW MOTOR, BLACK, 7-PIN PLUG, PIN 6
DOMELIGHT SUPERVISION GRAY (-) @ BCM, GRAY 26-PIN PLUG, PIN 1, SEE NOTE #2
TRUNK RELEASE YELLOW/DK. BLUE (-) CONNECTION MADE AT INTERFACE BYPASS MODULE IF USING DBALL2. @ BCM PINK 27-PIN PLUG, PIN 15
SLIDING POWER DOOR N/A
HORN BROWN/WHITE (-) @ BCM, BROWN 26-PIN PLUG, PIN 19, SEE NOTE #2
TACH CONNECTION MUST BE MADE AT INTERFACE BYPASS MODULE
WAIT TO START LIGHT N/A
BRAKE CONNECTION MADE AT INTERFACE BYPASS MODULE
FACTORY ALARM DISARM DISARMS WITH CONNECTION TO INTERFACE BYPASS MODULE
ANTI-THEFT GM'S MULTIPLEX IGNITION/TRANSPONDER SYSTEM, See NOTE #1
NOTES
NOTE #1: This vehicle requires a Special INTERFACE BYPASS MODULE for REMOTE STARTING, Part # DBALL2 Part # 779, ignition delay circuit is needed when installing an RS82, RS1100, or RS1200 and a DBALL2 or XK09 interface in a GM vehicle that has no starter/ crank wire coming from the ignition switch. to order CALL 800 561 1110 ex. 2146 NOTE #2: The BCM is located under the Drivers side of the Dash
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