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MOOSE
Joined: 07 Nov 2003
Posts: 622
City/Region: Rainy Lake - Int'l. Falls
State or Province: MN
C-Dory Year: 2001
C-Dory Model: 22 Cruiser
Vessel Name: MOOSE
Photos: MOOSE
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 Posted: Sat May 21, 2011 11:51 am Post subject: Honda 40 Tach Intermittent Failure |
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While on a cruise this week, one of my 1999 Honda 40 tachs suddenly quit displaying. The next morning, starting up, it worked fine, failing again a short time later. This morning at the dock it works fine again. I don't think it's a loose connection, but I cleaned the wire splice contacts behind the dash anyway. If I knew what I was looking for, I suppose I could do the same at the engine end of things. I suppose the gauge could be going on the fritz also. Any other suggestions?
Thanks,
Al
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.....and remember, if the women don't find you handsome, they should at least find you handy. |
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Wandering Sagebrush
Joined: 21 Jan 2005
Posts: 2783
City/Region: Northeast Oregon
State or Province: OR
C-Dory Year: 2005
C-Dory Model: 22 Cruiser
Vessel Name: Constant Craving
Photos: Constant Craving
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| Posted: Sat May 21, 2011 3:22 pm Post subject: Re: Honda 40 Tach Intermittent Failure |
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| MOOSE wrote: | While on a cruise this week, one of my 1999 Honda 40 tachs suddenly quit displaying. The next morning, starting up, it worked fine, failing again a short time later. This morning at the dock it works fine again. I don't think it's a loose connection, but I cleaned the wire splice contacts behind the dash anyway. If I knew what I was looking for, I suppose I could do the same at the engine end of things. I suppose the gauge could be going on the fritz also. Any other suggestions?
Thanks,
Al |
Al, to put things crudely... Honda tachs really suck!
Both of mine (my old Arima, and the CDory) have done the same thing as your boat. Since you have checked connections, one more thing to consider... There is a slider switch on the back of the tach that selects the number of cylinders for your engine. Move it around a bit, then reset it back to the correct position. In both instances, that has "cured" the problems on my boats. I think there is some corrosion that builds up on the contacts of the switch. and moving things around breaks it down. Your mileage may vary, but it's a possibility that this is the issue.
There are probably a couple of Honda tach threads out there, so you might research them as well.
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"And in the end, it's not the years in your life that count. It's the life in your years." - Abraham Lincoln |
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SeaSpray
Joined: 12 Mar 2004
Posts: 1009
City/Region: Brentwood, CA
State or Province: CA
C-Dory Year: 2004
C-Dory Model: 22 Cruiser
Vessel Name: SeaSpray
Photos: SeaSpray
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| Posted: Sat May 21, 2011 3:56 pm Post subject: |
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I have a 2004 Johnson Tach with small digital display that will display fuel flow, fuel used fuel remaining, and has the hour meter.
In 2008 while on a long trip using the boat at several lakes when I got to lake Powell one day I scrolled to the hour meter and it had reset to zero and was now showing a few hours.
I had a dealer read the codes from the motor and it contained the accurate hours but Johnson had no help for the reset hour meter.
Well it happened again this morning. I started up and left the dock. I started to get on plane and looked down at the Tach and it was not working. the only button I have is to scroll the digital display so I did that and the Tach started working but the hour meter has reset again.
Anyone else with a Johnson Tach and digital display? Checking for bad connections sounds like a good thing to try but I am not too pleased with this unit.
Steve |
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