Gmc  Yukon 2000-
 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 #6  @ 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 ( - )  WHITE (-)  @ BCM, LIGHT BLUE plug, Pin A5 See NOTE #4
 PARKING LIGHTS ( + )  BROWN (+)  @ BCM, LIGHT BLUE Plug, Pin B6 See NOTE #4
 POWER LOCK  LIGHT BLUE (TYPE A)  @ BCM, BROWN plug, Pin A4 See NOTE #4
 POWER UNLOCK  WHITE (TYPE A)  @ BCM, BROWN Plug, Pin A3 See NOTE #4
 DOOR TRIGGER  See NOTE #2  @ BCM See NOTE #4
 DOMELIGHT SUPERVISION  TAN (-), (Requires Part #775 Relay)  @ BCM, PURPLE Plug, Pin B4 See NOTE #4
 TRUNK RELEASE  N/A  
 SLIDING POWER DOOR  N/A  
 HORN  BLACK (-)  @ BCM, BROWN plug, Pin A9 See NOTE #4
 TACH  WHITE (AC)  @ ECM, See NOTE #3
 WAIT TO START LIGHT  DARK BLUE (-), See NOTE #5  @ INSTRUMENT CLUSTER
 BRAKE  WHITE (+)  @ SWITCH ABOVE BRAKE PEDAL
 FACTORY ALARM DISARM   LIGHT GREEN (-)  @ BCM, PURPLE plug, Pin B3, See NOTE #4
 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 is equipped with the PASSLOCK 2 ANTI-THEFT SYSTEM and will require a 791 Bypass Module for Remote Starting, to order go to the SECURITY BYPASS MODULE Page on this website. NOTE #2: This vehicle has 2 door trigger wires, the DRIVERS DOOR is a TAN (-) PURPLE plug, B4 and ALL OTHER doors BLUE/WHITE (-) LIGHT BLUE plug, Pin B11 at the BCM use both wires and DIODE ISOLATE when connecting to an ALARM SYSTEM, See DIAGRAM NOTE #3: The ECM (Engine Control Module) is located near the battery, down low, between the fender and the fan, under a BLACK plastic cover. On the 4.3L engine it is in a 20 pin connector labled RED. On the 4.8L, 5.3L and 6.0L engines it is located at Pin 10 in the RED connector NOTE #4: The BCM (Body Control Module) is located behind the drivers side of dash, with the plugs facing the rear of the vehicle. NOTE #5: when hooking up a remote starter, if you cannot get the (+) or (-) Wait to Start wire on the Remote Starter to work properly, you will then need to disconnect this wire and Program the Remote Starter for the 5, 10, 15 or 20 Second Wait to Start Timmer in the Installation manual. NOTE #6: IMPORTANT !!!!! this wire MUST BE CONNECTED as IGNITION #2 for REMOTE STARTING!!!!!!