Cummins QSB3.9-30/QSB4.5-30/QSB5.9-30 Wire Diagram

$59.95

SKU: TM1399 Category:

Laminated fold-out factory wire diagram for the Cummins QSB3.9-30/QSB4.5-30/QSB5.9-30 engine control system. Includes specifications, & fault code info.

For ECM 3990517

Includes:

  • 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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