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Old 26 September 2008, 18:00   #1
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Garmin Chartplotter

Hi all.

I'm just looking for some advice. I have a Garmin charplotter 178 which is hard wired to the battery as a buffer. I have been running it for over 2 years with no probs in this set up. (Plotter is removed when the boat is not being used(.

Yesterday it cut out 3 times with an over voltage warning. I wasn't running especially hard being only 2 up with about 40 - 50 Lts of fuel onboard. At the times it did cut out I was giving some sharp bursts of throttle but no more than many other times.

Any advice or experiences are greatfully received.

Many thanks

Ian
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Old 26 September 2008, 18:21   #2
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Depends on the type of charging system on your outboard, could be a faulty regulator? Stick a voltmeter on the battery and go for a howl, I don't think it should go over 14V. I'm not a spark so don't take anything I say as gospel
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Old 28 September 2008, 08:23   #3
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Quote:
Originally Posted by martini View Post
I don't think it should go over 14V.
I think it might? Is up to 14.5V not considered "acceptable"?
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Old 28 September 2008, 13:31   #4
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Garmin specs have it capable of handling 10-35 volts. If you are getting 36volts then you have a problem
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Old 28 September 2008, 18:48   #5
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Check your regulator/rectifier unit on the outboard and the main battery connections for intermittent bad contact.
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Old 29 September 2008, 01:41   #6
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Thanks all.

I will do as suggested.

Ian
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