Automotive Circuit

AUTO_IGNITION

Published:2009/7/16 3:28:00 Author:Jessie

Capacitive-discharge ignition system uses scr as switch. Transistors serve as d-c to d-c converter.-R.Van Houten and J. C. Schweitzer, A New Ignition System For Cars,Electronics,37:26, p 68-72.   (View)

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AUTO_LOCKING_GATE_FOR_TACHOME_DISPLAY

Published:2009/7/16 3:24:00 Author:Jessie

Permits pulses to pass to display unit during gating period. Display can be held for 5, 10, or 15 sec by switching different capacitors into delay Additional 200-millisec delay gives time for counting tubes to return to zero.-J. K, Goodwin, Digital Tachometer Aids in Turbine Design, Elecfronics,32:15, p 58-61.   (View)

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HEADLIGHT_DIMMER_1

Published:2009/7/16 3:55:00 Author:Jessie

Automatically switches from high to low beam when oncoming head-light strikes photocell. Driver may dim lights manually at any time and leave them dim. When lights have been dimmed automatically, momentary reduction of light on photo-cell will not cause return to high beam.-W.E. Bushor, Electronics and the American Auto-mobile, Electronics, 31:47, p 73-79.   (View)

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120_W300_V_D_C_AUTO_CONVERTER

Published:2009/7/16 3:53:00 Author:Jessie

For 12-v auto systems. Develops square-wave voltage at 200 cps, for conversion to 300 v d-c by silicon-diode bridge rectifier. Each switching transistor requires T-inch-square sheet of 1/8th-inch aluminum as heat sink.-W. E. Bushor,Electronics and the American Automobile, Electronics, 31:47, p 73-79.   (View)

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BMW7 series anti-theft component location circuit

Published:2011/7/19 10:30:00 Author:Nancy | Keyword: BMW7 series, anti-theft , component location

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BMW5 series 525，530it and 530t anti-theft system circuit 3

Published:2011/7/19 10:31:00 Author:Nancy | Keyword: BMW5 series, anti-theft system

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BMW5 series anti-theft component location circuit

Published:2011/7/19 10:35:00 Author:Nancy | Keyword: component location, anti-theft, BMW5 series

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BMW5 series 525，530it and 530t anti-theft system circuit 2

Published:2011/7/19 10:32:00 Author:Nancy | Keyword: BMW5 series, anti-theft system

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BMW5 series 525，530it and 530t anti-theft system circuit 1

Published:2011/7/19 10:34:00 Author:Nancy | Keyword: anti-theft system, BMW5 series

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BMW3 series 318，320，325 and M3(E36) anti-theft system circuit 3

Published:2011/7/19 10:37:00 Author:Nancy | Keyword: BMW3 series, anti-theft system

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BMW3 series 318，320，325 and M3(E36) anti-theft system circuit 2

Published:2011/7/19 10:38:00 Author:Nancy | Keyword: BMW3 series, anti-theft system

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BMW3 series 318，320，325 and M3(E36) anti-theft system circuit 1

Published:2011/7/19 10:39:00 Author:Nancy | Keyword: BMW3 series, anti-theft system

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Chevrolet Lou mitag (2.2L) sedan electronically controlled fuel injection, no distributor ignition circuit diagram

Published:2011/8/4 2:08:00 Author:Ecco | Keyword: Chevrolet Lou mitag , 2.2L sedan , electronically controlled, fuel injection , no distributor ignition

1,12,15 - the ignition switches; 2- ECM fuse; 3-wire bulkhead connector; 4- power supply battery; 5- sleeve fuel pump / ECM fuse;6- dashboard; 9- fuel pump test terminal; 10,17 -engine ground; 11- fuel pump (in tank); 13- fuel injector fuse; 14- fuel injector; 16-point electrical fuse; 18- ground; 19- crankshaft position sensor; 20- signal; 21- electronic ignition control module; 22- fire coil; 23- tachometer.   (View)

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BMW3 series anti-theft component location circuit

Published:2011/7/19 10:40:00 Author:Nancy | Keyword: BMW3 series , anti-theft , component location

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BMW3 series 318，320，325 and M3(E36) anti-theft system circuit 4

Published:2011/7/19 10:41:00 Author:Nancy | Keyword: BMW3 series, anti-theft system

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BMW3 series 318，320，325 and M3(E36) central control circuit 2

Published:2011/7/19 10:43:00 Author:Nancy | Keyword: BMW3 series, central control

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BMW3 series 318，320，325 and M3(E36) central control circuit 1

Published:2011/7/19 10:44:00 Author:Nancy | Keyword: BMW3 series, central control

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BMW3 series central control component location circuit

Published:2011/7/19 10:45:00 Author:Nancy | Keyword: BMW3 series , central control , component location

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H_BRIDGE_AC_MOTOR_DRIVE_CIRCUIT

Published:2009/7/17 4:13:00 Author:Jessie

This circuit can be used to drive ac motors from a dc source. The PVD33 devices are by International Rectifier and are highpowered optoisolators.   (View)

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H_BRIDGE_MOTOR_DRIVE_CIRCUIT

Published:2009/7/17 4:14:00 Author:Jessie

An H bridge can run a dc motor in either direction by turning on two transistors at a time. An H bridge is a circuit that supplies power to a motor and can reverse its polarity. It is usually used to run a dc motor forward and backward.   (View)

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