2005 Buick Century, Remote Start Wiring
Printed From: the12volt.com
Forum Name: Vehicle Wiring Information & File Requests
Forum Discription: Request Car Alarm, Car Stereo, Cruise Control, Remote Starter, Navigation, Mobile Video, and Other Vehicle Specific Wiring Info, Manuals, Tech Tips
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=147126
Printed Date: May 02, 2025 at 4:35 AM
Topic: 2005 Buick Century, Remote Start Wiring
Posted By: fgmario
Subject: 2005 Buick Century, Remote Start Wiring
Date Posted: November 11, 2021 at 7:05 PM
anybody got wiring to install remote start in buick century 2005 thank.
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fgcruiser
Replies:
Posted By: mgoetz74
Date Posted: November 12, 2021 at 2:00 PM
12 Volts red (60A) + ignition harness
Second 12 Volts red (30A) + ignition harness
Ground (chassis ground)
Starter yellow + ignition harness
Ignition pink + ignition harness
Second Ignition white to dk. green + ignition harness
Accessory orange + ignition harness
Second Accessory brown + ignition harness
R Code white to white/black VATS ignition key cylinder
Reference Ground white to violet/white VATS ignition key cylinder
Keysense lt. green - ignition harness or BCM left of steering column, purple plug, pin A1
J1850 violet data OBD-data link connector, black 16 pin plug, pin 2
Power Lock red/black - BCM left of steering column, purple plug, pin B6
Power Unlock orange/black - BCM left of steering column, purple plug, pin A6
Lock Motor gray 5 wire BCM left of steering column, white plug, pin G
Driver Unlock Motor tan 5 wire BCM left of steering column, white plug, pin E
Parking Lights lt. blue (larger of 2) + headlight switch
Parking Lights - gray/black - BCM left of steering column, lt. blue plug, pin A4
Hazards same as turn signals
Turn Signal (Left) lt. blue (F), yellow (R) + steering column
Turn Signal (Right) dk. blue (F), dk. green (R) + steering column
Headlight yellow - BCM left of steering column, lt. blue plug, pin B5
Reverse Light dk. blue - BCM left of steering column, lt. blue plug, pin A8
Left Front Door Trigger dk. blue/white (all doors), dk. blue (driver door) - BCM left of steering column, purple plug, pins A5 and B5
Right Front Door Trigger see left front door trigger
Left Rear Door Trigger see left front door trigger
Right Rear Door Trigger see left front door trigger
Dome Light white - BCM left of steering column, blue plug, pin A
Trunk/Hatch Pin orange/black - BCM left of steering column, lt. blue plug, pin B4
Trunk/Hatch Release white - BCM left of steering column, purple plug, pin A7
Trunk Release Motor black/white + passenger kick, harness to rear
Tachometer violet/white or white ac Ignition Control Module on top rear of the engine
Fuel Pump gray + underhood fuse box, fuel pump relay
Rear Defroster white - latched defogger switch
Left Front Heated Seat lt. blue (on) and pink (lo/hi) +, +resist driver heated seat switch
Right Front Heated Seat lt. blue/black (on) and pink/black (lo/hi) +, +resist passenger heated seat switch
Speed Sense dk. green/white 4K PCM in air cleaner assembly, blue plug, pin 55 Notes
Brake Wire white + brake pedal switch or steering column
Parking Brake lt. blue - BCM left of steering column, purple plug, pin A2
Horn Trigger black - steering column or BCM left of steering column, lt. blue plug, pin A5
Wipers gray (low and high), yellow (ignition) + steering column
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33 years as a installer now just a retired old guy. Favorite thing to install/topic are remote starts/car alarms. Stop using test lights!!!
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