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CADILLAC XLR
MODEL YEAR(S
XLR 2004-2008
KEY T-HARNESS IMMOBILIZER
N/A N/A YES, NO INFORMATION AT THIS TIME
PART COLOR LOCATION DIAGRAM
12 VOLT CONSTANT RED/BLACK (+) @ BCM, C3, Pin D1, See NOTE *1
STARTER PURPLE (+) (Not for Remote Start) @ STARTER or FUSE BLOCK under hood
STARTER 2 N/A
IGNITION 1 PINK (+) (Not for Remote Start) @ BCM, C4 Pin C8, See NOTE *1
IGNITION 2 N/A
IGNITION 3 N/A
ACCESSORY/HEATER BLOWER 1 N/A
ACCESSORY/HEATER BLOWER 2 N/A
KEYSENSE N/A
PARKING LIGHTS ( - ) BROWN/WHITE (-) @ BCM, C2, Pin 5, See NOTE *1
PARKING LIGHTS ( + ) BROWN (+) IN HARNESS GOING TO REAR OF VEHICLE
POWER LOCK ORANGE/BLACK (TYPE B) @ LOCK SWITCH in DRIVERS DOOR
POWER UNLOCK ORANGE/BLACK (TYPE B) @ LOCK SWITCH in DRIVERS DOOR
LOCK MOTOR WIRE LIGHT GREEN/BLACK (+) IN DRIVERS KICK PANEL
DOOR TRIGGER GRAY/BLACK (-) and TAN/WHITE (-) Use both See NOTE *2 @ BCM, C1, Pins 51 and 53, See NOTE *1 498_XLR_(-) NEGATIVE DOOR PIN ISOLATION CIRCUIT.pdf
DOMELIGHT SUPERVISION WHITE (-) @ BCM, C3, Pin A10, See NOTE *1
TRUNK RELEASE BROWN/WHITE (-) @ BCM, C1 Pin 71, See NOTE *1
SLIDING POWER DOOR N/A
HORN TAN (-) @ BCM, C2 Pin 14, See NOTE *1
TACH WHITE @ ECM, See NOTE *3
WAIT TO START LIGHT N/A
BRAKE LIGHT BLUE (+) @ BCM, C4, Pin D4, See NOTE *1
FACTORY ALARM DISARM DISARMS with FACTORY REMOTE ONLY
ANTI-THEFT YES , No Information at this time!!!
NOTES
NOTE *1 the BCM is part of the FUSE/RELAY Block on the Passenger foor board under the carpet. The BCM will have the following connectors: C1(72 Pin GRAY), C2(72 Pin GRAY), C3(41Pin RED) and C4(68 Pin GRAY) Plugs.





NOTE *2 the DRIVERS DOOR is a GRAY/BLACK(-) and the PASSENGER DOOR is a TAN/WHITE(-) located at the BCM. When connecting to an Alarm System use both wires and DIODE ISOLATE See DIAGRAM





NOTE *3 the ECM is located in the front Passenger fender, must remove the wheel to access the panel behind the wheel. The TACH wire is in the BLUE Plug Pin 26
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