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Author Topic:   Adding A Trim Gauge
Alphonse posted 01-01-2010 01:59 PM ET (US)   Profile for Alphonse  
I have an 2009 [Boston Whaler 170 MONTAUK] with Mercury 90-HP FOURSTROKE. I find that there is no single trim position that is best for all [engine or boat] speeds. I would like to add a trim indicator gauge. What is required? Is there a sensor or signal already available? Thanks--Al
jimh posted 01-01-2010 03:56 PM ET (US)     Profile for jimh  Send Email to jimh     
Typically a TRIM GAUGE uses a rheostat sender mounted on the engine to operate an electrical meter gauge on the dashboard. If your engine does not have the sensor you can probably order it as a part and easily add it. The gauge needs to be matched to the sender.
jimh posted 01-01-2010 03:59 PM ET (US)     Profile for jimh  Send Email to jimh     
You can use the website

http://www.mercurypartsexpress.com/

to look-up your engine and see if the sender is included. You need your engine serial number to start the look-up process

GreatBayNH posted 01-04-2010 05:00 PM ET (US)     Profile for GreatBayNH  Send Email to GreatBayNH     
Easy install. Here is the thread I used before I installed mine.

http://continuouswave.com/ubb/Forum3/HTML/011038.html

GreatBayNH posted 01-04-2010 05:01 PM ET (US)     Profile for GreatBayNH  Send Email to GreatBayNH     
and here's the finished product

http://s75.photobucket.com/albums/i316/srcbell/2008%20Season%20Prep/ ?action=view¤t=image006.jpg

swist posted 01-06-2010 08:18 AM ET (US)     Profile for swist  Send Email to swist     
Yes, it's an amazingly simple job. The wire is already in the bundle from engine to console, gauge installation is a no-brainer, engine is tapped for the sender mounting screws.
Mel Wallace posted 01-06-2010 08:39 AM ET (US)     Profile for Mel Wallace  Send Email to Mel Wallace     
I like that it matches the other guages. Do you have the part number for the guage and sender? Thanks.
fishgutz posted 01-06-2010 10:52 AM ET (US)     Profile for fishgutz  Send Email to fishgutz     
Here, I took pictures of the install on a 75 Mercury 2 stroke. It should be about the same on any Merc. It took longer to take the picture than the actual install. Look closely at the pictures you can read the part numbers.
http://i42.photobucket.com/albums/e336/Fishgutz/Boat%20Tech%20Pics/ TrimSender1.jpg
http://i42.photobucket.com/albums/e336/Fishgutz/Boat%20Tech%20Pics/ TrimSender2.jpg
http://i42.photobucket.com/albums/e336/Fishgutz/Boat%20Tech%20Pics/ TrimSender3.jpg
http://i42.photobucket.com/albums/e336/Fishgutz/Boat%20Tech%20Pics/ TrimSender4.jpg
http://i42.photobucket.com/albums/e336/Fishgutz/Boat%20Tech%20Pics/ TrimSender5.jpg
http://i42.photobucket.com/albums/e336/Fishgutz/Boat%20Tech%20Pics/ TrimSender6.jpg
http://i42.photobucket.com/albums/e336/Fishgutz/Boat%20Tech%20Pics/ TrimSender7.jpg
http://i42.photobucket.com/albums/e336/Fishgutz/Boat%20Tech%20Pics/ TrimSender8.jpg
http://i42.photobucket.com/albums/e336/Fishgutz/Boat%20Tech%20Pics/ TrimSender9.jpg
http://i42.photobucket.com/albums/e336/Fishgutz/Boat%20Tech%20Pics/ TrimSender10.jpg
http://i42.photobucket.com/albums/e336/Fishgutz/Boat%20Tech%20Pics/ TrimSender13.jpg
http://i42.photobucket.com/albums/e336/Fishgutz/Boat%20Tech%20Pics/ TrimSender14.jpg
http://i42.photobucket.com/albums/e336/Fishgutz/Boat%20Tech%20Pics/ TrimSender15.jpg
fishgutz posted 01-06-2010 10:55 AM ET (US)     Profile for fishgutz  Send Email to fishgutz     
Oops, missed some.
http://i42.photobucket.com/albums/e336/Fishgutz/Boat%20Tech%20Pics/ Gauge1.jpg
http://i42.photobucket.com/albums/e336/Fishgutz/Boat%20Tech%20Pics/ Gauge2.jpg
http://i42.photobucket.com/albums/e336/Fishgutz/Boat%20Tech%20Pics/ Gauge5.jpg
http://i42.photobucket.com/albums/e336/Fishgutz/Boat%20Tech%20Pics/ GaugePanelNew2.jpg

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