14.2.2. Short circuit
For chain check on short circuit presence, in the beginning disconnect chain loading (loading are elements of an electric equipment which consume the electric power, such as bulbs, engines, heating elements etc.).
Remove a safety lock of a corresponding chain and connect a control bulb or the voltmeter to plugs of connection of a safety lock.
Submit pressure on a chain. Do not forget that pressure is present at some chains only if to turn a key in the ignition lock in certain position.
If pressure is present (about what the lighted up control bulb will testify or voltmeter indications), it means that in a chain there is a short circuit.
If pressure is not present, but the safety lock nevertheless fuses at connection of elements of loading, means, is faulty any of these elements.