Technician A says that the switches in the switch packs on an International truck with a body controller directly source current to the device being controlled such as fog lamps. Technician B says that the Smart Switches on a Freightliner M2 directly source current to the device being controlled. Who is correct?

Question

Quizplus · Accepted Answer

Both technicians are incorrect. In modern trucks, switches typically send a signal to a body controller or a central module, which then controls the power to the device, rather than directly sourcing current to the device.

Technician a Says That the Switches in the Switch Packs