This USB is NOT compatible with MAC operating systems. Only Windows operating systems and Internet Explorer are supported.This comprehensive package of service information provides all of the resources that the professional technician requires to diagnose/troubleshoot, maintain, service and repair a FCA vehicle. A complete working knowledge of the vehicle, system and/or components is provided in a straightforward manner with detailed illustrations, diagrams and charts. The information is specific to a vehicle but also includes all possible options or equipment on a vehicle. Wiring information includes: System based wiring diagrams, detailed circuit information, connector information at the pin/circuit level, full wire harness routing and extremely detailed connector, component, fuse/relay location graphics. Repair procedures that provide step-by-step removal and installation instructions for vehicle systems and components that include detailed graphics to aide in service diagnosis of electrical / mechanical systems, DTCs and symptom-based concerns. All the information a technician needs on a compact USB drive!