Điện & chiếu sáng

The electrical and lighting system powers and controls a commercial vehicle electrics, from starting the engine to running the lights and onboard electronics. This category covers components such as the battery, alternator, starter motor, wiring, fuses, switches, and the lamps and bulbs that light the road and signal to others.

The battery supplies power to start the engine and run electrics when the engine is off, the starter motor cranks the engine, and once running, the alternator charges the battery and powers the lights, HVAC, and electronics. Wiring, fuses, and switches distribute and protect those circuits, and the lighting keeps the vehicle visible and its signals clear. A healthy charging system keeps every electrical part working reliably.

Batteries lose capacity, alternators and starters wear, and wiring suffers from vibration, heat, and corrosion at connectors. Signs include slow cranking, dim or flickering lights, blown fuses, dead circuits, and warning lights. Because corrosion and bad grounds cause many faults, terminals and connectors are inspected and cleaned regularly and charging output checked, with electrical faults diagnosed by a technician.

The correct part depends on the vehicle model, the electrical specification such as voltage and amperage, and the fitment. Confirm the part against the vehicle specification before fitting.