Cummins C8.3G & L10G Wire Diagram


Factory printed Cummins wire diagram.  Sturdy, laminated all-weather construction.

SKU: TMCU3171 Category: Tag:

Laminated fold-out factory wire diagram for the engine control system for this Cummins engine. Includes specifications, & fault code info.  Wire diagram is color coded & shows both the Cummins responsibility & the OEM responsibility.  This diagram package is easy to use & will help technicians shorten their diagnostic time, allowing them to increase shop profits.

Model: C8.3 Gas & L10 Gas (only)


  • ECM pin locations
  • Wire diagram (color-coded)
  • Connectors
  • Each controlled or controlling sensor, etc
  • Cummins responsibility & truck manufacturer responsibility connections
  • Electrical specifications & reading parameters (volts-amps-ohm readings)
  • Fault codes, fault reasons, fault effects

Laminated surface allows for the use of erasable marker to make notes while performing diagnostics which can be erased when finished.

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