My 2010 crew cab has the RES head unit, the one that has the Uconnect button but is not set up for it, and the 6-speaker setup.

I am thinking I probably do not have a stock amplifier but does anyone know for sure a standard place that they are mounted?

I ask because I need to know if I need the PAC AOEM-CHR3 or the C2A-CHY23 line out adapter as one is for stock non-amplified and the other for stock amplified. I will be glassing a box for a 12" sub under the pass rear seat and an aftermarket amp to power it.

Thanks for your replies.

 

Mine is a 09 crew with the RES head unit and alpine 9 speaker +amp and sub.
The amp and sub are under the rear passengers seat. Not sure if they changed anything for the 10's