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ContinuousWave: Small Boat Electrical
Tachometer for 60 Mercury Four-stroke
|Author||Topic: Tachometer for 60 Mercury Four-stroke|
posted 08-07-2007 08:57 PM ET (US)
I have a new Mercury 60-HP four-stroke on my Katama, I want to install a tachometer, but I'm not interested in the expense of the SmartCraft system. What is a good alternative and who's a reasonably priced supplier of a decent tachometer?
posted 08-22-2007 08:47 PM ET (US)
If you are not going to use the System Monitor----
This signal should be available at the helm on the gray wire- which is attached at the engine end to one of the pair of charging alternator connections, ahead of or at the rectifier
If you have a Mercury key-switch and harness, the gray wire, along with 12 volts controlled by the key switch and a ground are all connected to a plug. Obtain a Mercury tachometer harness kit-- regardless of the analog tach you use for easy hook-up. Three connectors to the tach, the other end plugs into the harness and you are all set.
posted 08-23-2007 11:53 AM ET (US)
Thanks for the info, I'll check it out!
posted 08-23-2007 12:22 PM ET (US)
Getting the OEM tachometer wiring harness is a very good suggestion. It avoids having to cut into the engine wiring harness to access the leads, and it will give your installation a much more professional appearance. You ought to be able to purchase the wiring harness as a part from an authorized Mercury dealer. If you do buy one, let us know what the part number and price were.
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