Cummins ISX / Signature Wire Diagram
Laminated fold-out factory wire diagram for the engine control system for this Cummins ISX / Signature engine. Includes specifications, & fault code info.
For ECM #:
- 3680509
- 3681404
- 3681405
- 3408501
- 3408426
Not compatible w/ integrated priming pump
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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