Mercury 3F2Z-14N089-CA Relay

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There are several electrical accessories that are fitted on the vehicle; the fuel injection, horns, starter and the fog lamps all use relays to switch on or off as well as switch the electrical signal to the relevant components. It is a combination of a control circuit, which is a low current path and a power circuit which is a high current path. A faulty relay will lead to the wrong functioning of the linked element. Commonly used place of mounting of relays is the engine compartment area and interior fuse or relay compartments.

There are several electrical accessories that are fitted on the vehicle; the fuel injection, horns, starter and the fog lamps all use relays to switch on or off as well as switch the electrical signal to the relevant components. It is a combination of a control circuit, which is a low current path and a power circuit which is a high current path. A faulty relay will lead to the wrong functioning of the linked element. Commonly used place of mounting of relays is the engine compartment area and interior fuse or relay compartments.

If the ohmmeter shows infinite resistance in both directions, the relay should be replaced.