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· Resident Forum Drunkard
8,257 Posts
As ken has so eloquently outlined in detail . you are waisting your time to think you can swap out Head Units and expect them to be compatable .

First the wiring harness has to be correct and yes there is a difference in the firmware ..

These systems are not designed to be interchangeable ..
That is why there are different option packages for the factory to install during the build processes of any particular car ..
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