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Swapped to T400....now tach won't work

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Old Oct 12, 2003 | 08:12 AM
  #1  
theblur98ss's Avatar
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From: East Brady, Pa
Default Swapped to T400....now tach won't work

Just finished a T56 to T400 swap and now my factory tach won't work. Is there a sensor that needs to be hooked up somehow from the old tranny? The tranny has the yank speedo calibrater and it seems to be working.
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Old Oct 12, 2003 | 11:08 AM
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DERTY's Avatar
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From: Grand Rapids, MI
Default Re: Swapped to T400....now tach won't work

The tach is not tied to the tranny. It's off the motor, I'd double check your tach wire out of the PCM first.
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