This covers the PowerTrain / Engine / Trnas Wiring Diagrams for a 2018 RAM HD truck. This should work for most Late Model 4th Gen Trucks.
Engine Wiring
| AC system wiring |
| Cooling System Wiring |
| DEF System Wiring |
| EGR System Wiring |
Fuel Injection control system Wiring
Lift Pump fuel Delivery System Wiring
| Intake Air system Wiring |
Throttle Control / APPS System Wiring
Transmission Wiring
| G56 Wiring |
Engine Wiring
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Fuel Injection control system Wiring
Lift Pump fuel Delivery System Wiring
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Transmission Wiring
| G56 Wiring |
