ignition switch

ignition switch
A control device that is generally operated with a key that closes and opens an electrical current to connect and disconnects the ignition system from the battery so that the engine can be started and stopped as desired. The key should not be removable when the engine is running. It usually has various positions which, besides starting the engine, allow the user to operate the accessories without engaging the engine or to check the bulbs in the warning lights on the dashboard.

Dictionary of automotive terms. 2015.

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  • ignition switch — noun switch that operates a solenoid that closes a circuit to operate the starter • Hypernyms: ↑switch, ↑electric switch, ↑electrical switch • Part Holonyms: ↑ignition, ↑ignition system • Part Meronyms: ↑ …   Useful english dictionary

  • Ignition system — For other uses, see Ignition system (disambiguation). An ignition system is a system for igniting a fuel air mixture. Ignition systems are well known in the field of internal combustion engines such as those used in petrol (gasoline) engines used …   Wikipedia

  • ignition system — The system that provides the electrical current or spark to ignite the air fuel mixture in the combustion chambers. It includes the battery or magneto which sends electricity to the ignition coil if the ignition switch is on. The coil amplifies… …   Dictionary of automotive terms

  • switch — A device that opens and closes an electric circuit. See actuating switch ambient temperature switch authority Limit Switch battery master switch dimmer switch dipper switch door pillar switch fuel cut off switch fuel pump shut off switch …   Dictionary of automotive terms

  • ignition system — noun the mechanism that ignites the fuel in an internal combustion engine • Syn: ↑ignition • Hypernyms: ↑mechanism • Part Holonyms: ↑electrical system • Part Meronyms: ↑dis …   Useful english dictionary

  • ignition lock — noun a restraint incorporated into the ignition switch to prevent the use of a vehicle by persons who do not have the key • Syn: ↑lock • Hypernyms: ↑restraint, ↑constraint • Part Holonyms: ↑ignition switch …   Useful english dictionary

  • ignition key — noun a key that operates the ignition switch of an automotive engine (Freq. 1) • Hypernyms: ↑key * * * ignition key noun In a motor vehicle, the key which is turned to operate the ignition system • • • Main Entry: ↑ignite * * * igˈnition key 7 [ …   Useful english dictionary

  • ignition key — /ɪgˈnɪʃən ki/ (say ig nishuhn kee) noun a key for operating an ignition switch …  

  • Ignition timing — in an internal combustion engine is the process of setting the time that a spark will occur in the combustion chamber (during the power stroke) relative to piston position and crankshaft angular velocity. Setting the correct ignition timing is… …   Wikipedia

  • ignition — [ig nish′ən] n. [ModL (Paracelsus) ignitio < L ignitus: see IGNITE] 1. a setting on fire or catching on fire 2. the means by which a thing is ignited 3. in an internal combustion engine, a) the igniting of the explosive mixture in the cylinder …   English World dictionary

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