Switchboard Engine Module Cable compatible with the Switchboard Electronic Logging Device Select "9-Pin" for the following Vehicles: Kenworth: 2000 - 2016 Peterbilt: 2000 - 2016 Western Star: 2009 and newer International: 2015 and newer Freightliner: 2006 and newer Volvo: 2000 - 2012 Mack: 2000 - 2013 Select "9-Pin w/High-Speed Adapter" for the following Vehicles: Kenworth: 2017 and newer Peterbilt: 2017 and newer Select "OBD-II Heavy Duty" for the following Vehicles: Volvo: 2013 and newer Mack: 2014 and newer Select "6-Pin" for the following Vehicles: Kenworth: 2000 - 2005 Peterbilt: 2000 - 2005 Western Star: 2000 - 2008 International: 2000 - 2014 Freightliner: 2000 - 2005 Select "OBD-II Light Duty" for the following Vehicles: Ford: 2007 and newer GM: 2008 and newer Chrysler (Dodge Ram): 2008 and newer Isuzu: 2008 - Present Select "Access panel cables" for the following Vehicles: Volvo: 2020 and newer Mack: 2020 and newer (Make sure you contact the Volvo or Mack mechanic for selecting the right access panel cable for your newer Volvo or Mack models) If you have any questions, please contact our team and we'll be happy to help you out!