should be cable that runs from tranny through firewall under dash. it's secured to tranny with a lockpin like thing. replace it and it's all good, happened to my ride as well last year because this dumbass thought it'd be a good idea to pull tranny without removing cable. that asshole. its kind of a booger to work in and out of firewall with that sealing boot. just follow the cable and you'll be fine, and a manual will help as well.