Gmc  Envoy Xl 2002-2003
 PART   COLOR  LOCATION
 12 VOLT CONSTANT   RED (+)   @ IGNITION SWITCH HARNESS
 STARTER  YELLOW (+)  @ IGNITION SWITCH HARNESS
 STARTER 2  N/A  
 IGNITION 1  PINK (+)  @ IGNITION SWITCH HARNESS
 IGNITION 2  WHITE (+), See NOTE #3  @ IGNITION SWITCH HARNESS
 IGNITION 3  N/A  
 ACCESSORY/HEATER BLOWER 1  ORANGE (+)  @ IGNITION SWITCH HARNESS
 ACCESSORY/HEATER BLOWER 2  N/A  
 KEYSENSE  LIGHT GREEN (-)  @ IGNITION SWITCH HARNESS
 PARKING LIGHTS ( - )  GRAY/BLACK (-)  @ HEADLIGHT SWITCH
 PARKING LIGHTS ( + )  BROWN (+)  IN DRIVERS KICK PANEL
 POWER LOCK  See NOTE #1  
 POWER UNLOCK  See NOTE #1  
 DOOR TRIGGER  GRAY/BLACK (+)  @ UNDERDASH LIGHT
 DOMELIGHT SUPERVISION  TURNS ON WITH DISARM  
 TRUNK RELEASE  N/A  
 SLIDING POWER DOOR  N/A  
 HORN  BLACK or BLACK/YELLOW (-)  @ STEERING COLUMN HARNESS
 TACH  WHITE (AC)  @ PCM, BLUE Plug Pin 49, See NOTE #2
 WAIT TO START LIGHT  N/A  
 BRAKE  WHITE (+)  @ SWITCH ABOVE BRAKE PEDAL
 FACTORY ALARM DISARM   LIGHT GREEN (-)  @ DRIVER DOOR MODULE in DRIVERS DOOR.
 ANTI-THEFT  YELLOW (+), ORANGE/BLACK (-) and RED/WHITE (Not used)  GM's PASSLOCK 2 System, these wires exit the Ignition Switch Tumbler together and are in the Main Ignition Switch Harness in the Column.
 EXTRA INFORMATION
 NOTE #1: This vehicle will Requires a Anti-Theft Bypass Module Part GMDL-BP to connect the Door Locks and Bypass the PASSLOCK 2 System. If not connecting up the Door locks use the 791 Bypass module. NOTE #2: The PCM (Power Control Module) is located on the DRIVERS SIDE of the ENGINE. NOTE #3: IMPORTANT !!!!! this wire MUST BE CONNECTED as IGNITION #2 for REMOTE STARTING!!!!!!