Cannot locate the transmission control module?

I have 2008 dodge charger sxt with the 3.5L V6 High output intake. My issue is that I've taken the entire dash apart on the driver and passenger side, and I cannot locate the TCM! I found one plug on the drivers side, but the other plug isn't present and I cannot figure out where it would even be installed. I bought a used TCM whenever I purchased the car initially. But when I went to replace the old one, there was no TCM in the dash to remove! I found one plug for it under the dash it has only 2 wires to connect on it. However, on the other plug with approximately 13 wires to connect, I just can't find it at all. I have another plug for it I just don't know where to wire it in at because I cant find where the old plugs wires are at to even splice into. Please help me resolve this issue, I've had this car for 2 years now and I've only drove it about 5 times! I've also replaced the shift pack for the valve body and also the shifter, and the transmission shift cable!