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SCHEMATICS AND DIAGRAMS – Mack Truck ECM Pin out

SYSTEM CONNECTORS The V-MAC IV system utilizes many differentconnector styles and sizes. The EngineManagement System (EMS) Module, InstrumentCluster Module (ICM), and the Vehicle ElectronicControl Unit (VECU) are some of the largestconnectors in the system. These connectors andcontrol units are where the majority of the V-MACIV system testing is performed. This sectionillustrates the EMS Module, ICM,…