Contents of this wire diagram include:
- ECM pin locations
- Wire diagram (color-coded)
- 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.