B Kronos 4 Tachometer with Hourmeter - 7 000 RPM Gas - Outboard B br 4 - Hole size 3 375 85mm br br Electronic tachometers work by counting pulses generated by the ingition system alternator tach signal generator or magnetic pickup sender The tach is hooked up to 12VDC Ground and one of hte signal sources listed above br br By selecting the right tach and setting the switch on the back to the correct postion you let the tachometer know how many pulses are sent per each engine revolution br br B Benefits B br UL LI Wide range of scales br LI Multiple signal sources br LI Rugged Reliable construction br LI 7 character LCD display br LI 0-999999 9 Hours br LI Updates in 1 increments LI UL br br --- cis2 mmxtmJVt --- br
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