In the end it doesn't really matter which TJ was referenced just that it got fixed. It's not like back in the good old days of points. Now the slightest divination of a signal can set an entire system in limp home mode and as technicians we need to continually change our mindset of function. Today a lot of our fixes are software based and a lot of technicians depend to much on that and have forgotten the basics. Just remember if it's fixed "all 10's and Truely Exceptional"