How does tachless work?

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JasonBlalock

Member - Posts: 4

Joined: September 17, 2003

Location: United States

Posted: August 04, 2006 at 4:16 PM / IP Logged

Is it a measurement of the voltage, EM noise, RF noise, or AC noise?

Thanks

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Hornshockey

Silver - Posts: 520

Joined: January 31, 2005

Location: Texas, United States

Posted: August 04, 2006 at 4:19 PM / IP Logged

generally it measures voltage and looks for the jump from ~12V to ~14V to verfiy that the engine is running

Life moves pretty fast; if you don't stop and look around once in a while; you could miss it.

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JasonBlalock

Member - Posts: 4

Joined: September 17, 2003

Location: United States

Posted: August 04, 2006 at 4:22 PM / IP Logged

Thanks. Are AC, RF, or EM noise increases ever calculated?

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supersix4

Copper - Posts: 71

Joined: July 11, 2006

Location: United States

Posted: August 04, 2006 at 4:28 PM / IP Logged

JasonBlalock wrote:

Thanks. Are AC, RF, or EM noise increases ever calculated?

If you mean are they ever used as a method to determine weather or not a vehicles engine is running? Nope, is't A/C Voltage to measure Tach or Voltage change to do it "Tach Less".

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JasonBlalock

Member - Posts: 4

Joined: September 17, 2003

Location: United States

Posted: August 04, 2006 at 4:33 PM / IP Logged

Thank you both for your time.

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How does tachless work?

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