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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Negative Terminal

The battery terminal that conducts electric current back to the battery on cars with negative ground. It is always marked with a'-' as opposed to the positive terminal '+'.



See Also:
Spark Plug Gap
Spark Plug Cable
Charging System
Open Circuit
Engine Computer
Spark Advance
Recharge
Spark Plug

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