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Thread: tach output signal resolution for autometer tach

  1. 03-11-2010 #1
    elzarra
    elzarra is offline
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    tach output signal resolution for autometer tach

    hi there, any know if changing the tach output resolution with HPT, could i make a square 12V tachometer like autometer work with tach signal from PCM? this is on a LM7 2003 truck i want to install where to plug my tach signal wire.

    thanks, jesus garcia
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  2. 08-09-2010 #2
    ls88foxbody
    ls88foxbody is offline
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    Quote Originally Posted by elzarra View Post
    hi there, any know if changing the tach output resolution with HPT, could i make a square 12V tachometer like autometer work with tach signal from PCM? this is on a LM7 2003 truck i want to install where to plug my tach signal wire.

    thanks, jesus garcia

    Any Updates? I wired mine like lt1swap2000 showed but still am not gettinga good reading. Whats method for calibrating tach....
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