Problems getting SElinux to permissive plz help topic

Let me first start by saying ive done a ton of research and still dont know alot about modifying phones . With that said I tried to search on here for any help and everything I seem to try doesnt work or I hit a dead end. I have a galaxy s5 Active SM-G870A running 4.4.4 kitkat. I am trying to get my appradio 3s touch to work with this phone and have it narrowed down to the fact that my selinux is set to enforcing. My phone is rooted with Towelroot (used a tutorial from wolfdroid.com). As I said Ive searched around on these forums and found a few different things and have tried all of them to no avail. Some of the things Ive tried are as follows , tried the selinux mode changer app (I do have super user permission set to granted) also tried using xposed framework. Last I found a thread on here with instructions
http://forum.xda-developers.com/veri...rnels-t2854364

I started to work my way through that. I have Busybox installed and then I tried to work my way to get init.d support. That led to me trying to use Terminal Emulator to add init.d support through the Term-init thread I found. Followed those instructions but now im stuck as I have the Term-init.sh file on my root dir of my sd card but terminal emulator just says it cant find it when I search for it. All in all im just trying to get this phones SElinux set to permissive. Please help point out anything I may have missed because of stupidity, I would really like to use my appradio the way I had originally intended to. Thanks for any and all help also let me know if there is anymore information needed from my end that will "help you" help me. :D

P.S. Sorry for the long read...