Gmc  Envoy 1999-2001
 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 #5  @ IGNITION SWITCH HARNESS
 IGNITION 3  N/A  
 ACCESSORY/HEATER BLOWER 1  ORANGE (+)  @ IGNITION SWITCH HARNESS
 ACCESSORY/HEATER BLOWER 2  N/A  
 KEYSENSE  N/A  
 PARKING LIGHTS ( - )  WHITE (-)  @ BCM, LIGHT BLUE plug, See NOTE #2
 PARKING LIGHTS ( + )  BROWN (+)  @ BCM, LIGHT BLUE plug, See NOTE #2
 POWER LOCK  LIGHT BLUE (TYPE A)  @ BCM, BROWN plug, See NOTE #2
 POWER UNLOCK  WHITE (TYPE A)  @ BCM, BROWN plug, See NOTE #2
 DOOR TRIGGER  See NOTE #3  @ BCM, See NOTE #2
 DOMELIGHT SUPERVISION  TAN (-)  @ BCM, PURPLE Plug, Pin B4, See NOTE #2
 TRUNK RELEASE  BLACK (-)  @ BCM, PURPLE Plug, See NOTE #2
 SLIDING POWER DOOR  N/A  
 HORN  BLACK (-)  @ STEERING COLUMN HARNESS
 TACH  WHITE (AC)  @ PCM, See NOTE #4
 WAIT TO START LIGHT  N/A  
 BRAKE  WHITE (+)  @ SWITCH ABOVE BRAKE PEDAL
 FACTORY ALARM DISARM   LIGHT GREEN (-)  @ BCM, PURPLE plug, See NOTE #2
 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 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 BCM (Body control Module) is located to the RIGHT of the GAS PEDAL just below the RADIO. NOTE #3: This vehicle uses 3 Door trigger wires, TAN (-) for the DRIVERS DOOR, PURPLE Plug, Pin B4, for the PASSENGERS DOOR, ORANGE (-) PURPLE Plug, Pin B2, and a BLUE/WHITE (-) in the LIGHT BLUE Plug, Pin B11 is for the REAR DOORS and the REAR HATCH. When connecting an ALARM use all 3 Door Trigger wires and DIODE ISOLATE. to connect, See DIAGRAM NOTE #4: The PCM (Power Control Module) is located on the PASSENGER FENDER. On the 2.2L engine the TACH wire is in a BLACK 80 Pin plug, Pin 10 and on the 4.3L engine, in a RED,32-Pin plug, Pin 20. NOTE #5: IMPORTANT !!!!! this wire MUST BE CONNECTED as IGNITION #2 for REMOTE STARTING!!!!!!