Laminated fold-out wire diagram of the engine control system for the Cummins L Series Gas Plus engine.
- ECM pin locations
- Wire chart color-coded
- Each controlled or controlling sensor, etc
- 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.