Wiring diagrams

[Buick convert]

I’m looking also but cant find anything. Thinking about searching junkyards for a whole Bose premium sound system to replace it with? Good luck and hope you find something.

 

[G-330423]

I know this was posted a long time ago but anyone know the color of the rear door speaker wires on a 2014 Buick regal turbo?

 

[G-484901]

I am looking for.the back up camera wires speed and lin wires behind dash just put aftermarket head unit it