Great write up Ark Swamp Rider! I'm looking to do the same thing on my wife's 2013 Trail edition with a new JL sub and an old Rockford Fosgate Punch 250 amp I still have from a setup I had ages ago, but I'm wondering how you went about splicing the RCAs into the factory setup. Were there RCAs...
It sounds like you really know your way around the system in your truck! Please forgive me if this sounds like a rather naive question, it's been probably close to 10 years since I've tinkered with a car stereo and I've never added a sub to a factory head unit at all, let alone one with nav, but...
