first time i have seen a stock radio cause a problem but give me heart falure tonight.not good idea to throw tune on wifes cayon night befor leaving on vacation but what the heck.after 4 hours of my heart in my neck thinking how to explane to wife her truck wont start got it going unhooked every thing took radio fuse out and went thought with flash.so what i am wondering do i just pull fuse on all new stuff or only if its loaded for vacation the next day lol