PART	COLOR	LOCATION
12 VOLT CONSTANT	RED (+)	IGNITION SWITCH HARNESS
STARTER	YELLOW (+) (18 Gauge wire)	IGNITION SWITCH HARNESS
STARTER 2	N/A
IGNITION 1	PINK (+)	IGNITION SWITCH HARNESS
IGNITION 2	WHITE (+) (18-Gauge wire) See NOTE *4	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 *1
PARKING LIGHTS ( + )	BROWN (+)	@ HEADLIGHT SWITCH or @ BCM, LIGHT BLUE plug, See NOTE *1
POWER LOCK	LIGHT BLUE (Positive (+))	@ BCM, BROWN Plug, See NOTE *1
POWER UNLOCK	WHITE (Positive (+))	@ BCM, BROWN plug, See NOTE *1
DOOR TRIGGER	See NOTE * 2	@ BCM, See NOTE *1
DOMELIGHT SUPERVISION	WHITE (-), Requires #R30-H Relay	@ UNDER DASH LIGHT
TRUNK RELEASE	N/A
SLIDING POWER DOOR	N/A
HORN	BLACK (-)	@ STEERING COLUMN HARNESS
TACH	WHITE	@ PCM, See NOTE *3
WAIT TO START LIGHT
BRAKE	WHITE (+)	@ SWITCH ABOVE BRAKE PEDAL
FACTORY ALARM DISARM	N/A
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 the BCM (Body Control Module) is located to the RIGHT of the Gas Pedal, attached to the Heater box. The BCM has 3 Plugs that face the Drivers side of the Vehicle. On the BCM is printed the colors of the 3 plugs, PURPLE, BLUE and BROWN NOTE *2 This vehicle has (2) door trigger wires, the TAN (-) at the PURPLE Plug, Pin B4 is for the DRIVERS DOOR, and the ORANGE (-) at the PURPLE Plug, Pin B2 is for the PASSENGER DOOR. When installing an ALARM SYSTEM, use BOTH DOOR TRIGGER wires and DIODE ISOLATE. to connect, See DIAGRAM NOTE *3 The PCM (Powertrain Control Module) is located on the PASSENGER FENDER. On the 2.2L engine the WHITE tach wire is in a BLACK 80-Pin Plug, Pin 10, and on the 4.3L engine the tach wire is in a RED 32-Pin plug, Pin 20. NOTE *4 IMPORTANT !!!!! this wire MUST BE CONNECTED as IGNITION #2 for REMOTE STARTING!!!!!!