DiabloSport Predator Revision Update Instructions - Using Legacy Connect - Manual (Page 3)

If you are using a straight serial/serial cable (PN U7777)
You don’t have to install a driver program or reboot the computer. Proceed to STEP 2.
2.The Update File
a. Go to http://www.diablosport.com , click Support, then Docs and Instructions
b. Then, enter Vehicle Type or Predator Part number (U71##):