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BUICK TERRAZA

MODEL	YEAR(S
TERRAZA	2005-2007

KEY	T-HARNESS	IMMOBILIZER
GMKEY-2(2005-2006), GMKEY-1(2007)	N/A	GM's TRANSPONDER ANTI-THEFT System, See NOTE #1

PART	COLOR	LOCATION	DIAGRAM
12 VOLT CONSTANT	RED (+) or RED/BLACK (+)	@ BATTERY or FUSE BOX
STARTER	YELLOW (+)	IGNITION SWITCH HARNESS or BCM, C1, Pin 21 See NOTE #2
STARTER 2	N/A
IGNITION 1	PINK (+)	IGNITION SWITCH HARNESS or BCM, C1, Pin 22 See NOTE #2
IGNITION 2	N/A
IGNITION 3	N/A
ACCESSORY/HEATER BLOWER 1	BROWN (+)	IGNITION SWITCH HARNESS or BCM, C1 Pin 23 See NOTE #2
ACCESSORY/HEATER BLOWER 2	N/A
KEYSENSE	N/A
PARKING LIGHTS ( - )	BROWN/WHITE (-)	@ BCM, C3 Pin 8, See NOTE #2
PARKING LIGHTS ( + )	BROWN (+)	@ FUSE BOX or PASSENGER KICK PANEL, Harness to REAR of VEHICLE.
POWER LOCK	ORANGE/BLACK (TYPE B)	@ BCM, C2 Pin 2, See NOTE #2
POWER UNLOCK	ORANGE/BLACK (TYPE B)	@ BCM, 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, C2, See NOTE #2	14301_TERRAZA_(-) NEGATIVE DOOR PIN ISOLATION CIRCUIT.pdf
DOMELIGHT SUPERVISION	GRAY/BLACK (+)	@ BCM, C1 Pin 43, See NOTE #2
TRUNK RELEASE	N/A
SLIDING POWER DOOR	N/A
HORN	TAN (-)	@ BCM, C1 Pin 4, See NOTE #2
TACH	ANY wire NOT PINK (AC)	@ ANY FUEL-INJECTOR
WAIT TO START LIGHT	N/A
BRAKE	WHITE (+)	@ BCM, C2 Pin 30, See NOTE #2
FACTORY ALARM DISARM	PURPLE (-)	@ BCM, C2 Pin 24, See NOTE #2
ANTI-THEFT	GM's TRANSPONDER SYSTEM, See NOTE #1	@ IGNITION SWITCH TUMBLER

NOTES

NOTE #1: This vehicle is equipped with GM'S TRANSPONDER ANTI-THEFT SYSTEM and Requires 791 Bypass Module and an Extra Ignition Key for Remote starting operation. to order go to the SECURITY BYPASS MODULE Page on this website. NOTE #2: the BCM is to the LEFT of the STEERING COLUMN , C1 is a 52-Pin BLACK Plug, C2 is a 52-Pin BLACK Plug and C3 is a 18-Pin BLACK Plug. NOTE #3: the DRIVERS DOOR is a GRAY/BLACK (-) Pin 26 and the PASSENGERS DOOR is a TAN/WHITE (-) Pin 17, the DRIVERS REAR DOOR is a LIGHT BLUE/BLACK (-) Pin 7 and the PASSENGER REAR DOOR is a LIGHT GREEN/BLACK (-) Pin 5. When connecting to an ALARM SYSTEM, use all 4 wires and DIODE ISOLATE, See DIAGRAM

LINK 1	LINK TEXT 1	LINK 2	LINK TEXT 2

EXTRA INFORMATION

Show Large Image This picture is looking through part of the dash at the IGNITION SWITCH HARNESS Plug located on the FRONT of the BCM. The BCM (Body Control Module) is located to the LEFT of the STEERING COLUMN, C1 is a 52-pin BLACK PLUG, C2 is a 52-pin BLACK plug, C3 is Show Large Image This picture shows the IGNITION SWITCH HARNESS Plug removed from the FRONT of the BCM, this was done to help identify wire colors in this Plug. Show Large Image This picture shows the LOCK wire marked with a RED clip, a ORANGE/BLACK (-) wire. This Plug is from the BACK of the BCM, this same plug also has the UNLOCK ORANGE/BLACK (-) wire in it and can be seen in this picture. Show Large Image This picture shows the UBLOCK wire marked with a BLACK clip, a ORANGE/BLACK (-) wire. This Plug is from the BACK of the BCM, this same plug also has the LOCK ORANGE/BLACK (-) wire in it and can be seen in this picture.