2005 Cadillac STS, Factory Stereo Wiring Diagram
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=146792
Printed Date: May 09, 2025 at 11:17 AM
Topic: 2005 Cadillac STS, Factory Stereo Wiring Diagram
Posted By: mileszach87
Subject: 2005 Cadillac STS, Factory Stereo Wiring Diagram
Date Posted: April 04, 2021 at 2:39 AM
I accidentally let the wiring pins come out of my harness and don't know where they go can somebody please help me it's a 2005 Cadillac STS with CD changer no navigation basically it does everything in this car so I really need it.
------------- Zach
Replies:
Posted By: mgoetz74
Date Posted: April 15, 2021 at 2:22 PM
Radio 12V red/white + radio, gray 16 pin plug, pins 1 and 9
Radio Ground black/white - radio, gray 16 pin plug, pins 8 and 16
Radio Ignition (low speed GMLAN)
Radio Illumination yellow (dimmer) + radio, gray 16 pin plug, pin 7
Factory Amp Turn-on (low speed GMLAN)
Power Antenna pink + radio, black 16 pin plug, pin 5
Left Front Speaker (+/-) tan - dk. green +,- radio, gray 16 pin plug, pins 2 and 10
Right Front Speaker (+/-) dk. green/white - lt. green +,- radio, gray 16 pin plug, pins 3 and 11
Left Rear Speaker (+/-) brown/white - brown +,- radio, black 16 pin plug, pins 3 and 11
Right Rear Speaker (+/-) dk. blue - tan +,- radio, black 16 pin plug, pins 4 and 12
Center Channel (+/-) dk. blue - orange +,- radio, brown 16 pin plug, pins 3 and 11
Subwoofer (+/-) white - orange +,- radio, brown 16 pin plug, pins 4 and 11
Aux. Audio Input Left (+/-) yellow - (shield) +,- radio, black 10 pin plug, pins 1 and 7
Aux. Audio Input Right (+/-) white - (shield) +,- radio, black 10 pin plug, pins 2 and 7
RSE Video (+/-) violet - (shield) (aux. video input) +,- radio, brown 16 pin plug, pins 14 and 13
RSE Audio Left (+/-) lt. green/white - gray/black (satellite audio) +,- radio, black 16 pin plug, pins 1 and 9
RSE Audio Right (+/-) lt. blue/white - gray/black (satellite audio) +,- radio, black 16 pin plug, pins 2 and 9
Satellite Radio 12 Volts red/white + Digital Radio Receiver, black 16 pin plug, pin 16
Satellite Radio Ground black - Digital Radio Receiver, black 16 pin plug, pin 9
Satellite Radio Ignition (low speed GMLAN)
Satellite Radio Antenna (coaxial cable)
Satellite Audio Left (+/-) lt. green/white - gray/black +,- Digital Radio Receiver, blk 16 pin plg, pins 2, 10
Satellite Audio Right (+/-) lt. blue/white - gray/black +,- Digital Radio Receiver, blk 16 pin plg, pins 3, 10
------------- 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!!!
Posted By: i am an idiot
Date Posted: April 15, 2021 at 8:07 PM
I doubt the plug has numbers on it. In order to figure out which end is 1 and 9 you will need a multimeter. Do you have one or at least have access to one?
|