One of my friends offered to give me a factory Alpine H/U # PT-545-00111-TB.
I have a 2012 tC with the pioneer H/U my question is before I say yes and take the H/U. Will this be a plug and play swap? If not what parts would I need to make this work.

 

I assume it would be plug and play, seeing that its a HU made for the tc2. There may be an adapter harness for it. Worst case you would need a wire harness that plugs into the factory speaker and power harness and is just free wire on the other side so you can custom wire the HU. Easy stuff but I doubt you'd need to do this but I'm sure someone else will chime in with more info than me. Good luck

 

Looks like I would need quite a bit more stuff to make it fully functional.

http://trdsparks.com/install/PT545-00112inst.pdf

 

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Just pull out you Head unit you got now and compare, it will take 2 minutes
just pop off the trim and unscrew the 4 bolts