Glossary of Auto Terms

DriverSide's Car Dictionary has the most comprehensive definitions of automotive terms. This auto glossary can help you decipher what your mechanic is fixing and what the purpose or function of the particular auto part or accessory is for. We have taken the mystery out of automotive service jargon, so that you don't have to.

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Relay

A switch that allows a small current in one circuit to control a greater flow of current in another circuit.



See Also:
Ground
Oil Light
Distributor
Spark Plug Gap
Oxygen Sensor
Electronic Ignition
Electrolyte
Spark Retard

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