Buick  Lucerne 2009-2011
 PART   COLOR  LOCATION
 12 VOLT CONSTANT   RED (+)   @ BATTERY or Rear Fusebox under Rear Seat
 STARTER  See NOTE #4  
 STARTER 2  N/A  
 IGNITION 1  PINK (+)  @ Ignition Switch or BCM, (GREEN Plug) Pin 14, Note #1
 IGNITION 2  N/A  
 IGNITION 3  N/A  
 ACCESSORY/HEATER BLOWER 1  BROWN (+)  @ Ignition Switch or BCM, (GREEN Plug) Pin 21, Note #1
 ACCESSORY/HEATER BLOWER 2  N/A  
 KEYSENSE  N/A  
 PARKING LIGHTS ( - )  LT. BLUE/TAN (-)  @ Headlight Switch or @ BCM, (WHITE Plug) Pin 8, Note #1
 PARKING LIGHTS ( + )  N/A  
 POWER LOCK  See NOTE #4  
 POWER UNLOCK  See NOTE #4  
 DOOR TRIGGER  GRAY/BLACK (Ajar) BLACK/TAN (Open) Both are (-)  @ Drivers Window Switch, (BROWN 16 Pin Plug) Pins 13 and 11
 DOMELIGHT SUPERVISION  GRAY/BLACK (+)  @ BCM, (PINK Plug) Pin 12, Note #1
 TRUNK RELEASE  LT. BLUE (-)  @ Trunk Release Switch or BCM (WHITE Plug) Pin 10, Note#1
 SLIDING POWER DOOR  N/A  
 HORN  TAN (-)  @ Horn Switch or BCM (BROWN Plug) Pin 18, Note #1
 TACH  Any wire NOT PINK/BLACK or PINK/GRAY (AC)  @ Any Fuel Injector
 WAIT TO START LIGHT  N/A  
 BRAKE  LT. BLUE (+) works with Ignition Switch ON Only!  in Passange Kick Panel or BCM, (BROWN Plug) Pin5 Note #1
 FACTORY ALARM DISARM   LT. GREEN (-) Double Pulse Required  @ Drivers Window Switch, (BROWN 16 Pin Plug) Pin 4
 ANTI-THEFT  GM'S MULTIPLEX IGNITION/TRANSPONDER SYSTEM, See NOTE #3  
 EXTRA INFORMATION
 Note #1: The BCM (Body Control Module) is located under the Passange Side Dash, above the Passange Kick Panel. Note #2: The Rear Fusebox is located under the Left Rear Seat. Note #3: THIS VEHICLE REQUIRES A INTERFACE BYPASS MODULE PART # XK09 AND PART #RFLCHGM TO REMOTE START AND OPERATE DOOR LOCKS, , TO ORDER GO TO THE INTERFACE BYPASS MODULE PAGE ON THIS WEBSITE.