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PONTIAC GRAND PRIX
MODEL YEAR(S
GRAND PRIX 2004-2007
KEY T-HARNESS IMMOBILIZER
N/A N/A GM's PK3 TRANSPONDER ANTI-THEFT System, Requires 791 Module and Extra Ignition Key
PART COLOR LOCATION DIAGRAM
12 VOLT CONSTANT RED (+) @ BACK of FUSEBOX, PASSENGER UNDERDASH
STARTER YELLOW (+) @ IGNITION SWITCH HARNESS
STARTER 2 N/A
IGNITION 1 PINK (+) See NOTE #1 @ IGNITION SWITCH HARNESS
IGNITION 2 N/A
IGNITION 3 N/A
ACCESSORY/HEATER BLOWER 1 BROWN (+) @ IGNITION SWITCH HARNESS
ACCESSORY/HEATER BLOWER 2 N/A
KEYSENSE LT.GREEN (-) required for remote starting IGNITION SW. HARNESS OR BCM 52 PIN PLUG (C1), PIN 40 CONNECT TO GWR WIRE, diode isolate.
PARKING LIGHTS ( - ) BROWN/WHITE (-) @ BCM, 18 Pin Plug, Pin 8, See NOTE #2
PARKING LIGHTS ( + ) BROWN (+) FRONT of FUSEBOX, PASSENGER UNDERDASH
POWER LOCK RED/BLACK (TYPE B) @ BCM, Connector C2, Pin 2, See NOTE #2
POWER UNLOCK ORANGE/BLACK (TYPE B) @ BCM, Connector C2, Pin 11, See NOTE #2
LOCK MOTOR WIRE GRAY (5-WIRE TYPE) @ BCM, C2, Pin 52, See NOTE #2
DOOR TRIGGER See NOTE #3 @ BCM, See NOTE #2 7141_GRAND-PRIX_(-) NEGATIVE DOOR PIN ISOLATION CIRCUIT.pdf
DOMELIGHT SUPERVISION GRAY/BLACK (+) @ the UNDER DASH LIGHT or BCM, Connector C1, Pin 43, See NOTE #2
TRUNK RELEASE LIGHT BLUE (+) @ BCM, Connector C2, Pin 45, See NOTE #2
SLIDING POWER DOOR N/A
HORN BROWN (-) @ BCM, 18 Pin Plug, Pin 9, See NOTE #2
TACH WHITE (AC) @ IGNITION CONTROL Module Pin E, See NOTE #4
WAIT TO START LIGHT N/A
BRAKE WHITE (+) @ BCM, Connector C2, Pin 30, See NOTE #2
FACTORY ALARM DISARM PURPLE (-) @ BCM, Connector C2, Pin 24, See NOTE #2
ANTI-THEFT GM's PASSKEY 3 (PK3 on Steel Shaft of Ignition Key) TRANSPONDER SYSTEM TRANSPONDER @ IGNITION SWITCH TUMBLER
NOTES
NOTE #1: there are (2) PINK (+) wires that test as an Ignition wire, to test for the correct PINK IGNITION wire. Place the Key in the Ignition Switch but do not turn to the ON position. Try the remote starter, if the KEY in the IGNITION CHIME turns on, you are energizing the correct PINK Ignition wire.





NOTE #2: the BCM (Body Control Module) is located at the far end of the Drivers Dash, to access remove the Left END of the the Driver Dash it is just snapped into place then remove the under dash panel that is held into place with (3) plastic push-pins. Next remove the lower dash cover, this is held in place with (3) scres, one behind the Left END of the drives dash cover and (2) along the bottom of the dash. Next remove the Steel Knee bolster, it had (4) 10mm bolts that hould it into place on either side of the steering column. Now you can access the BCM, the BCM is hel into place by (3) 7mm screws on the face of the dash panel. The C2 54-pin connector for the BCM can be accessed from the Left END cover of the dash, the C1 54-pin connector and C3,18-PIN connector are side by side and are plugged into the BCM and face the floor of the vehicle, the C, 54-pin connector is to the left and the C3,18-PIN is to the right.







NOTE #3: the DRIVERS DOOR is a GRAY/BLACK (-) Pin 26, the PASSENGER DOOR is a BLACK/WHITE (-) Pin 17, the DRIVERS SIDE REAR DOOR is a LIGHT BLUE/BLACK (-) Pin 7 and the PASSENGERS SIDE REAR DOOR is a LIGHT GREEN/BLACK Pin 5 all are at the BCM Connector C2. When connecting to an ALARM SYSTEM, use all (4) DOOR TRIGGER wires and DIODE ISOLATE. to connect, See DIAGRAM





NOTE #4: the IGNITION CONTROL MODULE is located on the TOP of the ENGINE, towards the PASSENGER SIDE.

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