If you have a Pre-2001 TW (with the slider switch instead of the rocker-type switch) it's a 5 minute job to do this --
http://tw200forum.com/index.php?/to...-off/page__p__28869__fromsearch__1#entry28869
http://tw200forum.com/index.php?/to...-off/page__p__28869__fromsearch__1#entry28869