Is there a button? It shifts into 5th with the Tow mode on ( I don't think that is the converter locking up.) What do you do? Thanks for any help.

Here is a link
01-02 Lockout (http://kennedydiesel.com/docs/Allison%20OD%20lockout%20final.htm)

On edit Link is to Kennedy Diesel's site. The frames make a direct link difficult without loosing credit. Sorry about the John!
www.kennedydiesel.com (http://www.kennedydiesel.com)



I think dmaxalitech had a kit at one time

Edited by: Professor

GM has a Factory Pushbutton for about $50. See info at :


http://dieselplace.com/forum/forum_posts.asp?TID=753&PN=1


I installed mine. Works and looks great.

Here's a really bad picture of the one installed on my '01 Crew Cab...


http://mail.chartermi.net/~bluenote/allison5thlockout.jpg