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Old 07-30-2013, 03:00 PM
Cobra #3170 Cobra #3170 is offline
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Default Tach

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Originally Posted by cobrafun View Post
The puzzle: when I turn on the Panel Lights, the Tach dies. Does anyone have a suggestion as to which wire is not in its correct location?
Might be a bad ground for panel lights finding it's way to the tach trigger wire and holding it above ground to the point that it does not have a sufficient enough voltage change to trigger the tach circuit. Try grounding the tach housing directly and see if it helps.

Last edited by Cobra #3170; 07-30-2013 at 03:01 PM.. Reason: spelling
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