Chevrolet  Express Van 2003-2007
 PART   COLOR  LOCATION
 12 VOLT CONSTANT   RED/BLACK (+)   @ IGNITION SWITCH HARNESS
 STARTER  YELLOW (+)  @ IGNITION SWITCH HARNESS
 STARTER 2  N/A  
 IGNITION 1  PINK (+)  
 IGNITION 2  WHITE (+), SEE NOTE #2  @ IGNITION SWITCH HARNESS
 IGNITION 3  N/A  
 ACCESSORY/HEATER BLOWER 1  ORANGE (+)  @ IGNITION SWITCH HARNESS
 ACCESSORY/HEATER BLOWER 2  BROWN (+)  @ IGNITION SWITCH HARNESS
 KEYSENSE  N/A  
 PARKING LIGHTS ( - )  BROWN/WHITE (-)  @ BCM, BROWN PLUG, PIN B2, SEE NOTE #3
 PARKING LIGHTS ( + )  BROWN (+)  @ FUSEBOX UNDER DRIVERS SEAT
 POWER LOCK  LT. BLUE (TYPE A)  @ BCM, LT. BLUE PLUG, PIN B5, SEE NOTE #3
 POWER UNLOCK  WHITE (TYPE A)  @ BCM, LT. BLUE PLUG, PIN B10, SEE NOTE #3
 DOOR TRIGGER  SEE NOTE #4  @ BCM, LT. BLUE PLUG, SEE NOTE #3
 DOMELIGHT SUPERVISION  GRAY/BLACK or DK. BLUE/WHITE (+)  @ BCM, BLACK PLUG, PIN E, SEE NOTE #3
 TRUNK RELEASE  N/A  
 SLIDING POWER DOOR  N/A  
 HORN  TAN (-)  @ BCM, GRAY PLUG, PIN B9, SEE NOTE #3
 TACH  WHITE or PURPLE (AC)  @ PCM, GREEN PLUG, PIN 26, SEE NOTE #5
 WAIT TO START LIGHT  N/A  
 BRAKE  WHITE (+)  @ SWITCH ABOVE BRAKE PEDAL
 FACTORY ALARM DISARM   N/A  
 ANTI-THEFT  GM'S PASSLOCK 2 ANTI-THEFT SYSTEM, SEE NOTE #1  @ IGNITION SWITCH
 EXTRA INFORMATION
 NOTE #1: This vehicle uses GM'S PASSLOCK 2 ANTI-THEFT SYSTEM that requires a 791 Bypass Module to Remote Start, to order go to the SECURITY BYPASS MODULES Page on this website. NOTE #2: The IGNITION #2 wire WHITE must be connected to prevent a CHECK ENGINE LIGHT from turning on and to prevent DAMAGE to the TRANSMISSION on this Vehicle. NOTE #3; The BCM, is located under the PASSENGER side of the DASH, behind the KNEE BOLSTER. NOTE #4: The DRIVERS door Trigger is a TAN (-) in PIN B4, the PASSENGER door and REAR Cargo door trigger is a LT. GREEN (-) in PIN A5, and the REAR Doors or Sliding door trigger is a YELLOW/BLACK (-) in PIN A10. When connecting to an Alarm System use all wires and Diode Isolate NOTE #5: The PCM is located on the Drivers Side Fender