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Posted: **Fri Jan 03, 2025 9:32 am**

I’m going to change the headunit in my 2018 caddy to a pioneer double din.
I’m wondering if anyone know which wiring harnesses are needed to fit it? I know there are a few needed, but not sure which ones. Every time I search online, it comes up with 2010-2015 models, and nothing for 2018.
All help appreciated.

Posted: **Sat Jan 04, 2025 10:11 pm**

I haven't done it on a Caddy but remember doing it on my previous car.

You'll need ISO harness. That is basically vehicle specific plug adapter that gives you ISO connectors.

If you have a multifunctional steering wheel, you'll need steering wheel control unit and a multilead. Multilead connects between the new stereo and the unit, comes with full instructions.

All of them are made by Connects2

Then the rest are van specific (parking sensors, rear view camera, usb port and so on)

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CADDY2K.com

List of wiring harnesses needed for pioneer stereo upgrade??

List of wiring harnesses needed for pioneer stereo upgrade??

Re: List of wiring harnesses needed for pioneer stereo upgrade??