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Author Topic:   Tachometer for 60 Mercury Four-stroke

dscew 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?
SaintGeorge posted 08-22-2007 08:47 PM ET (US)
If you are not going to use the System Monitor----

You should be able to run an Analog tach. You can't go wrong with the Mercury brand analog tach. Teleflex gages are also popular, there are several models and prices. I have used both. Check the model you select carefully, you need to be able to use the tachometer with the 12 pole alternator pickup.
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.
dscew posted 08-23-2007 11:53 AM ET (US)
Thanks for the info, I'll check it out!
jimh 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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Author	Topic: Tachometer for 60 Mercury Four-stroke
dscew	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?
SaintGeorge	posted 08-22-2007 08:47 PM ET (US) If you are not going to use the System Monitor---- You should be able to run an Analog tach. You can't go wrong with the Mercury brand analog tach. Teleflex gages are also popular, there are several models and prices. I have used both. Check the model you select carefully, you need to be able to use the tachometer with the 12 pole alternator pickup. 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.
dscew	posted 08-23-2007 11:53 AM ET (US) Thanks for the info, I'll check it out!
jimh	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.