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1988 Cadillac Deville, Stereo 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=148313
Printed Date: May 02, 2025 at 12:01 AM


Topic: 1988 Cadillac Deville, Stereo Wiring

Posted By: railt
Subject: 1988 Cadillac Deville, Stereo Wiring
Date Posted: April 04, 2025 at 10:58 PM

I am trying to put an aftermarket stereo in a 1988 Cadillac deville sedan. The factory wiring has 4 plugs. I know what the 3 are for on the drivers side of the stereo ( 1 for the front speakers, 1 for the rear speakers, one for power etc.). There is a plug on the passenger side with an orange wire, a grey and grey/white wire and 2 orange/white wires. What are these 3 wires for.

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Brent railton



Replies:

Posted By: lee.lopez
Date Posted: April 05, 2025 at 7:09 AM
If your factory plugs are still intact, your best bet is to use a wiring harness adapter. You can pick these up cheap at Walmart or your local auto parts store. eBay and Amazon are typically cheaper. Car stereo shops will have them but charge more.

Orange is likely the constant wire, not sure about the others.
Have a look here: https://www.installdr.com/QuickWiring.asp


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