Current Engine (DC) Wiring Diagram | Build Date Range |
| DC - (UL/FM/NFPA 20) DT2H (ETS-STD) | April 2015 - Current |
Current Jacket Water Coolant (AC) Heater Diagram | Build Date Range |
| AC - Jacket Water Coolant Heater | Current |
Prior Years Engine (DC) Heater Diagram | Build Date Range |
| DC - (UL/FM/NFPA 20) DT2H (ETS-STD) | Prior to April 2015 |