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Vehicle Wiring Details for your
2006 -2008 Buick Lucerne Wiring Diagram
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Listed below is the vehicle specific wiring diagram for your car alarm, remote starter or keyless entry installation into your 2006 -2008 Buick Lucerne . This information outlines the wires location, color and polarity to help you identify the proper connection spots in the vehicle. Please be sure to test all of your wires with a digital multimeter before making any connections. More information on using a multimeter and testing wires please see our Technical Support Area.

 PART   COLOR  LOCATION
 12 VOLT CONSTANT   RED (+)   @ BATTERY
 STARTER  YELLOW (NOT for REMOTE START) See NOTE *2  @ PCM, BLUE Plug, Pin 23 or 26 See NOTE *1
 STARTER 2  N/A  
 IGNITION 1  PINK (+) See NOTE *7  @ IGNITION SWITCH HARNESS or BCM, GREEN Plug, Pin 14 See NOTE *3, See DIAGRAM
 IGNITION 2  See NOTE *2  
 IGNITION 3  N/A  
 ACCESSORY/HEATER BLOWER 1  BROWN (+) See NOTE *8  @ IGNITION SWITCH HARNESS or BCM, GREEN Plug, Pin 21 See NOTE *3, See DIAGRAM
 ACCESSORY/HEATER BLOWER 2  N/A  
 KEYSENSE  See NOTE *2  
 PARKING LIGHTS ( - )  LIGHT BLUE/TAN (-)  @ HEADLIGHT SWITCH or BCM, WHITE Plug, Pin 8 See NOTE *3
 PARKING LIGHTS ( + )  PURPLE (+) Left and BROWN/WHITE (+) Right See DIAGRAM  @ REAR FUSE BLOCK or PASSENGER KICK PANEL
 POWER LOCK  See note * 9  
 POWER UNLOCK  See note * 9  
 DOOR TRIGGER  See NOTE *5  See DIAGRAM
 DOMELIGHT SUPERVISION  GRAY/BLACK (+), Requires #R30-H Relay  in PASSENGER KICK PANEL or BCM, PINK Plug, Pin 1 See NOTE *3
 TRUNK RELEASE  LIGHT BLUE (-), Requires #R30-H Relay  @ TRUNK RELEASE SWITCH or BCM, WHITE Plug, Pin 10 See NOTE *3
 SLIDING POWER DOOR  N/A  
 HORN  TAN (+)  @ HORN Switch or BCM, BROWN Plug, Pin 18 See NOTE *3
 TACH  NOT PINK, PINK/GRAY or PINK/BLACK  @ ANY FUEL-INJECTOR
 WAIT TO START LIGHT  N/A  
 BRAKE  LIGHT BLUE (+)  in PASSENGER KICK PANEL or BCM, BROWN Plug, Pin 5 See NOTE *3
 FACTORY ALARM DISARM   LIGHT GREEN (-) See NOTE *6  @ DDM, BROWN Plug, Pin 4 See NOTE *4
 ANTI-THEFT  GM's PASSKEY 3 TRANSPONDER ANTI-THEFT SYSTEM (KEY has PK3 stamped into Steel Shaft of Key)  @ IGNITION SWITCH TUMBLER
 EXTRA INFORMATION
 NOTE *1 The PCM (Powertrain Control Module) is located BEHIND the DRIVERS SIDE HEADLIGHT in the AIR CLEANER Assembly. NOTE *2 There is a WHITE wire and a WHITE/BLACK wire located in the IGNITION SWITCH HARNESS, or at the BCM, in the GREEN Plug, Pins 2 and 4, these wires perform the Starter , Ignition #2 and Key Sense functions. These wires in most cases will not be needed!! No more information at this time. NOTE *3 The BCM (Body Control Module) is located ABOVE the PASSENGER KICK PANEL. NOTE *4 The DDM is the DRIVERS DOOR MODULE located in the DRIVERS DOOR. NOTE *5 The DRIVERS DOOR TRIGGER is a GRAY/BLACK (-) at the DRIVERS DOOR MODULE in the DRIVERS DOOR, BROWN Plug, Pin 13, the PASSENGER DOOR TRIGER is a TAN/WHITE (-) at the PASSENGER DOOR MODULE in the PASSENGER DOOR, BROWN Plug, Pin 13. The DRIVERS REAR DOOR TRIGGER is a LIGHT BLUE/BLACK (-) PINK Plug, Pin 15 and the PASSENGER REAR DOOR TRIGGER is a LIGHT GREEN/BLACK (-) PINK Plug, Pin 14 both wires are located in the PINK Plug on the BCM, when connecting to an ALARM SYSTEM use all (4) FOUR wires and DIODE ISOLATE, See DIAGRAM. NOTE *6 TEST this wire while turning the KEY in the DRIVERS DOOR KEY CYLINDER. NOTE *7 An Extra Relay Part # R30-H is Required to Delay the Ignition Timing for Remote Starting, See DIAGRAM. or bypass module PKUGM2X would eliminate the need for the relays for ignition timing and accessory drop out. The PKUGM2X is also a keyless bypass that would eliminate the need for the #791. NOTE *8 An Extra Relay Part # R30-H is Required to Delay to Drop Out the Accessory Circuit before Remote Starting of this Vehicle, See DIAGRAM NOTE *9 This vehicles doorlocks require a bypass GMDL6X with 4.00 fireware for keyless entry.


 
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