Cummins QSX Laminated ECM Wire Diagram


SKU: TM3414 Category:

Working on a Cummins QSX? We’ve got high quality, laminated ECM wire diagrams.


  • 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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