Offshoreonly.com - Tach Sender

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gripit

05-13-2007 07:51 PM

Tach Sender

Where does the tach sender wire attach to on the motor? The motor is a 420 hp. Thanks

monstaaa

05-13-2007 08:23 PM

there should be a grey tach lead in the harness under the dash. if not use the grey wire on the coil.

gripit

05-13-2007 08:39 PM

Are you saying the sender wire runs to the ingition coil?

Griff

05-13-2007 09:34 PM

Yep, tach gets its signal from the neg side of the coil.

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