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  1. W

    Need a little tach education please. (Mercury)

    On a 2011 Mercury 40hp 4-stroke EFI 3 cyl, I'm using an automotive tachometer (Revolution Gauges). On this tach you can adjust from 1/2 spark per revolution up to 6 sparks. To get the readings to be correct I have the tach set to 6 sparks per revolutions. Can someone give me the down-low on...
  2. W

    Grounding fuel sensor?

    I'm putting a capative type fuel sender on a plastic fuel tank. The sender uses a positive and negative leads, plus the signal lead. Should I put a jumper from the negative lead to one of the screws holding the sender to the tank?
  3. W

    Adding Gauges Question

    I got a wiring diagram for a 2011 Pro 165. It shows a 6 pin connector to connect the basic guages to the main wiring harness of the boat. How do I go about finding and buying this 6 pin connector? I take it as most likely a connector with wires attached and maybe spade connecters? Another...
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