Buick  Lacrosse 2010-
 PART   COLOR  LOCATION
 12 VOLT CONSTANT   RED/WHITE (+)   @ BCM, (LT. BLUE Plug) Pin 4, Note #1
 STARTER  See NOTE #4  
 STARTER 2  N/A  
 IGNITION 1  PINK (+) (without Push to Start Button)  @ IGNITION SWITCH or BCM, (LT. GREEN Plug) Pin 6, Note #1
 IGNITION 2  N/A  
 IGNITION 3  N/A  
 ACCESSORY/HEATER BLOWER 1  BROWN (+) (without Push-Button Start)  @ IGNITION SWITCH or BCM, (LT. GREEN Plug) Pin 5, Note #1
 ACCESSORY/HEATER BLOWER 2  N/A  
 KEYSENSE  N/A  
 PARKING LIGHTS ( - )  LT. BLUE (-)  @ BCM, (WHITE Plug) Pin 22, Note #1
 PARKING LIGHTS ( + )  N/A  
 POWER LOCK  PINK/BLACK (TYPE B)  @ BCM, (LT. BLUE Plug) Pin 19, Note #1
 POWER UNLOCK  ORANGE/BLACK (TYPE B)  @ BCM, (LT. BLUE Plug) Pin 15, Note #1
 DOOR TRIGGER  GRAY/BLACK (-)  @ Drivers Window Motor (BLACK 7 Pin Plug) Pin 6
 DOMELIGHT SUPERVISION  GRAY (+)  @ BCM, (GRAY Plug) Pin 1, Note #1
 TRUNK RELEASE  GRAY (-)  @ BCM, (PINK Plug) Pin 15, Note #1
 SLIDING POWER DOOR  N/A  
 HORN  TAN (-)  @ BCM, (BROWN Plug) Pin 19, Note #1
 TACH  BROWN, DK. BLUE, GREEN, LT. BLUE, LT. GREEN or PURPLE (AC)  @ Any Fuel Injector
 WAIT TO START LIGHT  N/A  
 BRAKE  WHITE (+)  @ BCM, (BLACK Plug) Pin 11, Note #1
 FACTORY ALARM DISARM   FACTORY REMOTE ONLY!!  
 ANTI-THEFT  GM'S MULTIPLEX IGNITION/TRANSPONDER SYSTEM, See NOTE #2  
 EXTRA INFORMATION
 Note #1: The BCM (Body Control Module) is located under the Drivers Dash. Note #2: REQUIRES INTERFACE BYPASS MODULE PART # DB-ALL TO REMOTE START, TO ORDER GO TO THE INTERFACE BYPASS MODULE PAGE ON THIS WEBSITE.