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whiskeyhangover

10-13-2013 07:46 PM

RPM gauge help. ...

Replacing old medallion gauges with up to date gauges and the old medallion rpm gauge is only 2 wires.... a ground and sending unit hook up. The new rpm gauge has a 3 wire hook up.... ground, sending, and ignition. So where do I hook up the ignition wire? Tried it on the switch and it doesnt work.

Griff

10-14-2013 01:56 AM

Connect the guage power wire to a purple (powered when key on) wire.

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