Product Details

Cummins ISM Laminated ECM Wire Diagram
Item: TM6269
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Laminated fold-out wire diagram of the engine control system for the Cummins ISM engine.  Use with these ECM numbers:
  • 3680509
  • 3681404
  • 3681405
  • 3408501

Contents of this wire diagram include:

• 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.