check your fuse box, my friend did the same where he took out a fuse and put it in the wrong place and his alarm wouldn't turn on and his windows wouldn't go down
so yeah check ur fuse box and there should be a diagram on the cover to where they should go
or get a test light and check if u didn't blow a fuse, setting up something like that w/out disconnecting the battery positive cable can cause a spark somewhere and you could have a blown fuse