Factory VHS installation tape + backup DVD on how to install the conv. top 1972-1989SL filmed by the Robbins top company of Oxnard, CA. Video was made in 90's and isn't top quality but invaluable as an installation guide. NEW Condition, Watched once, is a great help. $30 price includes shipping. call 360.834.0212, 360.901.8872 or coffee_lover99@yahoo.com