| 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, 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 (-) | @ BCM, 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 | N/A | |
| 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 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 DRIVERS DOOR is a TAN (-) in PURPLE plug Pin B4, the PASSENGER DOORS are a BLUE/WHITE (-) in LIGHT BLUE Plug, Pin B11. When connecting to an ALARM SYSTEM use BOTH wires and DIODE ISOLATE. See DIAGRAM NOTE #3: The ECM (Engine Control Module) is located NEAR the BATTERY, down low between the fender and the fan shroud, under a BLACK plastic cover. On the 4.3L engine the TACH wire is in a 20-Pin plug labled "RED". On the 4.8L, 5.3L and 6.0L engines, the TACH wire is at Pin 10 in the RED plug. NOTE #4: The BCM (Body Control Module) is located BEHIND the DRIVERS SIDE of the DASH, with the PLUGS FACING the REAR of the VEHICLE. NOTE #5: IMPORTANT !!!!! this wire MUST BE CONNECTED as IGNITION #2 for REMOTE STARTING!!!!!! |