Will the TC88-3 and DSPT-1 (Sportster) module interchange? Matt May 23, 2018 15:37 Follow No. The units each have model specific timing curves and rev limits should never be interchanged. Related articles Dynatek Downloads Why does my Dyna S spark continuously when I am charging the battery? I want to build a custom Twincam and need to wire the ignition. How do I do it? Will the 2000i work on my Panhead? My motor stalled and the red LED was flashing continuously. What is wrong? Comments 0 comments Please sign in to leave a comment.