PART	COLOR	LOCATION
12 VOLT CONSTANT	RED (+) and RED/WHITE (+)	IGNITION SWITCH HARNESS
STARTER	YELLOW (+)	IGNITION SWITCH HARNESS
STARTER 2	N/A
IGNITION 1	PINK (+)	IGNITION SWITCH HARNESS
IGNITION 2	WHITE (+)	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 ( - )	GRAY/BLACK (-)	@ BCM, TAN Plug, Pin E5, See NOTE *1
PARKING LIGHTS ( + )	BROWN (+)	@ FUSEBOX under rear seat
POWER LOCK	See NOTE *2	See DIAGRAM
POWER UNLOCK	See NOTE *2	See DIAGRAM
DOOR TRIGGER	GRAY/BLACK (+)	@ FUSEBOX, UNDER REAR SEAT
DOMELIGHT SUPERVISION	USE DOOR TRIGGER, Requires #R30-H Relay
TRUNK RELEASE	N/A
SLIDING POWER DOOR	N/A
HORN	BLACK/YELLOW to BLACK (-)	@ BCM, TAN Plug, Pin E12, See NOTE *1
TACH	WHITE	@ PCM, See NOTE *3
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 the BCM is attached to the FUSEBOX under the LEFT REAR SEAT. NOTE *2 this vehicle uses a Special Multi-plex Type Door Locking System that will require extra Relays to do the Door Locks, See DIAGRAM NOTE *3 On the 4.2L engine the PCM is attached to the drivers side of the engine,the tach wire is in a BLUE Plug Pin 49 and on the 5.3L engine the PCM is located lower front drivers side of engine, the tach wire is in a GREEN Plug, Pin 10