PART	COLOR	LOCATION
12 VOLT CONSTANT	RED (+)	IGNITION SWITCH HARNESS
STARTER	PURPLE (+) or 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	N/A
PARKING LIGHTS ( - )	N/A
PARKING LIGHTS ( + )	BROWN (+)	@ HEADLIGHT SWITCH or in DRIVERS KICK PANEL
POWER LOCK	LIGHT BLUE (Positive (+))	IN EITHER DOOR HARNESS
POWER UNLOCK	WHITE (Positive (+))	IN EITHER DOOR HARNESS
DOOR TRIGGER	PURPLE (-) or GRAY (-)	@ HEADLIGHT SWITCH
DOMELIGHT SUPERVISION	WHITE (-), Requires #R30-H Relay	@ UNDER DASH LIGHT
TRUNK RELEASE	BLACK (+) or BLACK/WHITE (+), Requires #R30-H Relay	LOW IN DRIVERS KICK PANEL See NOTE *1
SLIDING POWER DOOR	N/A
HORN	BLACK (-)	@ STEERING COLUMN HARNESS
TACH	WHITE	@ ECM See NOTE *2
WAIT TO START LIGHT	N/A
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 On vehicles with REAR LIFT GATE, it is a (+) Positive System and on vehicles with the Cargo Doors, it is a 5-wire system, See DIAGRAM NOTE *2 the ECM is located on the DRIVERS SIDE INNER FENDER. The TACH wire is in a BLACK plug marked WHITE. NOTE *3 IMPORTANT !!!!! this wire MUST BE CONNECTED as IGNITION #2 for REMOTE STARTING!!!!!!