Modules-Relays Electrical

Freightliner Modules, Relays, and Electrical Parts

Freightliner trucks are equipped with a sophisticated electrical system that helps various systems run. Key elements include modules, relays, and other electrical parts that play roles in the truck's performance and safety.

Key Electrical Components

Control Modules

Engine Control Module (ECM): Manages engine performance, fuel injection, and emissions.

Transmission Control Module (TCM): Controls the transmission's shifting and operation.

Body Control Module (BCM): Oversees the electrical systems in the truck's body, including lighting, windows, and mirrors.

Relays

Starter Relay: Engages the starter motor to crank the engine.

Fuel Pump Relay: Powers the fuel pump to supply fuel to the engine.

AC Relay: Controls the air conditioning system.

Horn Relay: Activates the horn when needed.

Headlight Relay: Makes sure the headlights receive power.

Shop and Save on Freightliner Parts

Now, you can shop a wide selection of Freightliner parts from ATG Truck Parts. Whether you're dealing with control modules, relays, or sensors, understanding their functions is key to keeping your truck in top condition.