A typical electrical circuit may include a main electrical element, various switches, relays, electric motors, fuses, fuses or circuit breakers, wiring related to this element, and connectors used to connect the main element to the battery and ground bodies

Before you begin troubleshooting any electrical circuit, carefully study the relevant diagram to understand its function as clearly as possible.

The circle of troubleshooting is usually narrowed by gradually identifying and eliminating normally functioning elements of the same circuit.

If several elements or circuits fail at the same time, the most likely cause of the failure is a blown fuse or a broken contact with the "ground" (different circuits in many cases can be closed to one fuse or ground terminal).

Electrical equipment failures are often due to the simplest causes, such as corrosion of connector contacts, fuse failure, fuse blown, or relay damage.

Visually check the condition of all fuses, wiring, and circuit connectors before proceeding to a more detailed check of the health of its components.

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