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- Timing_light abstract "A timing light is a stroboscope used to dynamically set the ignition timing of an Otto cycle or similar internal combustion engine equipped with a distributor. Modern electronically controlled passenger vehicle engines require use of a scan tool to display ignition timing.The timing light is connected to the ignition circuit and used to illuminate the timing marks on the engine's crankshaft pulley or flywheel, with the engine running. The apparent position of the marks, frozen by the stroboscopic effect, indicates the current timing of the spark in relation to piston position. A reference pointer is attached to the flywheel housing or other fixed point, and an engraved scale gives the offset between the spark time and the top dead centre position of the piston in the cylinder. The distributor can be rotated slightly until the reference pointer aligns with the specified point on the timing scale.Fuel-injected engines, or engines with microprocessor controls may require special procedures to allow basic spark timing to be observed without control effects from the engine computer. On most automotive engines, the timing is set based on the #1 cylinder. In few cases an engine is timed off another cylinder, such as the International Harvester V8 engines, which use #8, and the Isuzu 4Z series four-cylinder, which is timed off the #4 cylinder, or the 3 cylinder Saab two-stroke engine which is timed on the middle (#2) cylinder.Simple timing lights may just contain a neon lamp operated by the energy provided by the ignition circuit. Timing lights using xenon strobe lamps electronically triggered by the spark provide brighter light, allowing use of the timing lamp under normal shop lighting or daylight conditions.A timing light may be a self-contained instrument, but is sometimes combined with a voltmeter, RPM meter, and a dwell angle meter, or may be incorporated into a more comprehensive instrument such as an engine analyser. Self-contained units used to time automotive engines have an inductive pickup that clamps around the proper spark plug wire and serves as the trigger for the strobe. Power for the strobe comes directly from the vehicle's battery. Some older timing lights require the removal of the spark plug boot in order to attach a direct pickup between the wire's terminal and the centre conductor of the spark plug.".
- Timing_light thumbnail Timinglight.jpg?width=300.
- Timing_light wikiPageID "3043153".
- Timing_light wikiPageLength "3189".
- Timing_light wikiPageOutDegree "23".
- Timing_light wikiPageRevisionID "626085306".
- Timing_light wikiPageWikiLink Category:Engine_tuning_instruments.
- Timing_light wikiPageWikiLink Contact_breaker.
- Timing_light wikiPageWikiLink Crankshaft.
- Timing_light wikiPageWikiLink Dead_centre_(engineering).
- Timing_light wikiPageWikiLink Distributor.
- Timing_light wikiPageWikiLink Electromagnetic_induction.
- Timing_light wikiPageWikiLink Engine_analyser.
- Timing_light wikiPageWikiLink Firing_order.
- Timing_light wikiPageWikiLink Flywheel.
- Timing_light wikiPageWikiLink Ignition_timing.
- Timing_light wikiPageWikiLink Internal_combustion_engine.
- Timing_light wikiPageWikiLink International_Harvester.
- Timing_light wikiPageWikiLink Isuzu_Motors.
- Timing_light wikiPageWikiLink Neon_lamp.
- Timing_light wikiPageWikiLink Otto_cycle.
- Timing_light wikiPageWikiLink Revolutions_per_minute.
- Timing_light wikiPageWikiLink Saab_two-stroke.
- Timing_light wikiPageWikiLink Spark_plug.
- Timing_light wikiPageWikiLink Stroboscope.
- Timing_light wikiPageWikiLink Stroboscopic_effect.
- Timing_light wikiPageWikiLink Timing_mark.
- Timing_light wikiPageWikiLink Voltmeter.
- Timing_light wikiPageWikiLink File:Timinglight.jpg.
- Timing_light wikiPageWikiLinkText "measure important to tuning".
- Timing_light wikiPageWikiLinkText "stroboscopic lamps".
- Timing_light wikiPageWikiLinkText "timing light".
- Timing_light wikiPageUsesTemplate Template:Refimprove.
- Timing_light subject Category:Engine_tuning_instruments.
- Timing_light hypernym Stroboscope.
- Timing_light type Instrument.
- Timing_light type Instrument.
- Timing_light comment "A timing light is a stroboscope used to dynamically set the ignition timing of an Otto cycle or similar internal combustion engine equipped with a distributor. Modern electronically controlled passenger vehicle engines require use of a scan tool to display ignition timing.The timing light is connected to the ignition circuit and used to illuminate the timing marks on the engine's crankshaft pulley or flywheel, with the engine running.".
- Timing_light label "Timing light".
- Timing_light sameAs Q17104099.
- Timing_light sameAs m.08mq_6.
- Timing_light sameAs Q17104099.
- Timing_light wasDerivedFrom Timing_light?oldid=626085306.
- Timing_light depiction Timinglight.jpg.
- Timing_light isPrimaryTopicOf Timing_light.