Cadillac  Xlr 2009-
 PART   COLOR  LOCATION
 12 VOLT CONSTANT   RED/BLACK (+) 60AMP   @ DASH FUSEBOX (BLACK 36 Pin Plug) Pin B7
 STARTER  PURPLE (+) (NOT for REMOTE START)  @STARTER or UNDERHOOD Fusebox, (GRAY 68 Pin Plug) Pin F12
 STARTER 2  LT. GREEN/WHITE and LT. GREEN (PUST-BUTTON START) (+) (Thru a 1511 Ohm Resistor) Note #1  @ IGNITION MODE SWITCH (WHITE 10 Pin Plug) Pins E and F, Note #2
 IGNITION 1  PINK (+) (NOT for REMOTE STSRT)  @ BCM, (RED 41 Pin Plug(X3) Pin C5, Note #3
 IGNITION 2  N/A  
 IGNITION 3  N/A  
 ACCESSORY/HEATER BLOWER 1  YELLOW (+ Low Voltage) (NOT for REMOTE START)  @ BCM, (GRAY 72 Pin Plug(X1) Pin 22, Note #3
 ACCESSORY/HEATER BLOWER 2  N/A  
 KEYSENSE  N/A  
 PARKING LIGHTS ( - )  BROWN/WHITE (-)  @ HEADLIGHT SWITCH or BCM, (GRAY 72 Pin Plug (X2) Pin 5, Note #3
 PARKING LIGHTS ( + )  BROWN (+)  @ PASSENGER KICK PANEL, Harness to Rear of Vehicle
 POWER LOCK  ORANGE (-)  @ DRIVERS DOOR LOCK SWITCH, (BLACK 5 Pin Plug) Pin D
 POWER UNLOCK  ORANGE/BLACK (-)  @ DRIVERS DOOR LOCK SWITCH, (BLACK 5 Pin Plug) Pin E
 DOOR TRIGGER  GRAY/BLACK (-) (Ajar) TAN (-) (Open)  @ BCM, (GRAY 72 Pin Plug(X1) Pins 51 and 44, Note #3
 DOMELIGHT SUPERVISION  BLACK/WHITE (-)  @ BCM, (RED 41 Pin Plug (X3) Pin A10, Note #3
 TRUNK RELEASE  BROWN/WHITE (-)  @ TRUNK RELEASE SWITCH or BCM, (GRAY 72 Pin Plug (X1) Pin 71, Note #3
 SLIDING POWER DOOR  N/A  
 HORN  TAN (-)  @ HORN SWITCH or BCM, (GRAY 72 Pin Plug (X2) Pin 14, Note #3
 TACH  WHITE (AC) Note #4  @ INSTRUMENT CLUSTER, (BLACK 34 Pn Plug) Pin A14
 WAIT TO START LIGHT  N/A  
 BRAKE  LT. BLUE (+)  @ PASSENGER KICK PANEL, Harness to Rear of Vehicle or BCM, (GRAY 68 Pin Plug (X4) Pin D4, Note #3
 FACTORY ALARM DISARM   (DISARMS with FACTORY REMOTE ONLY!)  
 ANTI-THEFT  NO INFO @ THIS TIME!!  
 EXTRA INFORMATION
 Note #1: When the PUSH to START Button is pressed these (2) wires connect together thru a 1511 Ohm Resistor. Note #2: These wires are also found at the BCM, (GRAY 72 Pin Plug (X1) Pins 66 and 7. Note #3: The BCM, (Body Control Module) is part of the Dash Fusebox, in the Passenger Footwell, under the Carpet.