CDI Electronics® has developed an alternative to the OEM Diagnostic System… introducing M.E.D.S. the Marine Engine Diagnostic System from the worlds leading ignition specialist.

This software system is designed to diagnose the Motorola "555" electronic control module found on most 2001 and later Optimax™ and Mercruiser™ engines. The I4 and I6 Verado™ engine can also be monitored by MEDS. Accurately read faults stored in the system, analyze run time history of the engine, and efficiently service your customers using this simple software.