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Tach Sender

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Old 05-13-2007 | 07:51 PM
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Default Tach Sender

Where does the tach sender wire attach to on the motor? The motor is a 420 hp. Thanks
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Old 05-13-2007 | 08:23 PM
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there should be a grey tach lead in the harness under the dash. if not use the grey wire on the coil.
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Old 05-13-2007 | 08:39 PM
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Are you saying the sender wire runs to the ingition coil?
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Old 05-13-2007 | 09:34 PM
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Yep, tach gets its signal from the neg side of the coil.
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