2018 RAM 1500 Electrical Wiring Diagram Manual PDF

This 2018 RAM 1500 electrical wiring diagram manual provides detailed wiring schematics for the 2018 RAM 1500 models listed below.

The PDF wiring diagrams cover starting and charging systems, power distribution, grounds, lighting, engine electronics, transmission wiring, ABS, airbags, climate control, body electronics and other electrical systems.

Use the diagrams to trace circuits, identify electrical connections and diagnose faults when repairing the vehicle.

2018 RAM 1500 Models Covered

• 2018 RAM 1500 3.0L Big Horn
• 2018 RAM 1500 3.0L HFE
• 2018 RAM 1500 3.0L Laramie
• 2018 RAM 1500 3.0L Laramie Longhorn
• 2018 RAM 1500 3.0L Limited
• 2018 RAM 1500 3.0L Lone Star
• 2018 RAM 1500 3.0L SLT
• 2018 RAM 1500 3.0L Sport
• 2018 RAM 1500 3.0L Tradesman
• 2018 RAM 1500 3.6L Big Horn
• 2018 RAM 1500 3.6L Express
• 2018 RAM 1500 3.6L Laramie
• 2018 RAM 1500 3.6L Lone Star
• 2018 RAM 1500 3.6L Rebel
• 2018 RAM 1500 3.6L SLT
• 2018 RAM 1500 3.6L Sport
• 2018 RAM 1500 3.6L Tradesman
• 2018 RAM 1500 5.7L Big Horn
• 2018 RAM 1500 5.7L Express
• 2018 RAM 1500 5.7L Laramie
• 2018 RAM 1500 5.7L Laramie Longhorn
• 2018 RAM 1500 5.7L Limited
• 2018 RAM 1500 5.7L Lone Star
• 2018 RAM 1500 5.7L Rebel
• 2018 RAM 1500 5.7L SLT
• 2018 RAM 1500 5.7L Sport
• 2018 RAM 1500 5.7L Tradesman

Electrical Wiring Diagrams Included

• Anti-Lock Brakes [PDF]
• Anti-Theft [PDF]
• Body Control Modules [PDF]
• Computer Data Lines [PDF]
• Defoggers [PDF]
• Electronic Power Steering [PDF]
• Electronic Suspension [PDF]
• Exterior Lights [PDF]
• Ground Distribution [PDF]
• Headlights [PDF]
• Horn [PDF]
• Instrument Cluster [PDF]
• Interior Lights [PDF]
• Memory Systems [PDF]
• Navigation [PDF]
• Power Distribution [PDF]
• Power Door Locks [PDF]
• Power Mirrors [PDF]
• Power Seats [PDF]
• Power Top and Sunroof [PDF]
• Power Windows [PDF]
• Radio [PDF]
• Shift Interlock [PDF]
• Supplemental Restraints [PDF]
• Warning Systems [PDF]
• Wiper and Washer [PDF]