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Post by renegade27 on Aug 31, 2009 10:04:39 GMT
Got a 2006 SO 35. ;D I'm pretty sure my Raymarine instruments were installed at the factory, along with my C70 GPS.
The GPS powers on and off with the 'Instrument' circuit but the other instruments (tridata, autopilot, wind) are on when the main battery switch is on (which is always to keep the fridge going).
All are put together with Seatalk, but GPS has separate power. I'd love to be able to shut down the displays without spoiling food in the fridge...
Ideas?
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Post by Don Reaves on Aug 31, 2009 10:36:13 GMT
Strange. All of the instruments on my 2004 SO35, including the autopilot, wind, speed, GPS, are on the "instruments" breaker on the panel. I would recommend having them changed this way.
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Post by renegade27 on Aug 31, 2009 10:42:28 GMT
Thanks, Don - I'm a better electrician than my marina - - no way could they figure it out.
One of the 'redos' I had to do with my marina is they grounded a pump from the main ground instead of the individual circuit on the back of the panel. That caused the pump to be "always on".
I've also now removed the VHF radio ground from the main strip and attached it to the individual board. This was on the same board as "instruments". I thought this might fix the instruments power mystery but no...
Any other lookouts?
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Post by corksailor on Aug 31, 2009 17:08:50 GMT
My So35 seems to be the same.The instrument power off seems only to de-power the VHF and GPS
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Post by schnaps on Sept 11, 2009 12:01:31 GMT
Hi, I have the same problem on my 2005' SO35 ! The instrument power-off seems only to de-power the VHF and the Raymarine C80... ?!?!  Last week, i forgot to switch off the batteries and now they are flat !  What the solution ? |
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Post by renegade27 on Sept 13, 2009 19:01:34 GMT
I'm still looking for an answer....
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Post by sailingpages on Sept 15, 2009 14:26:47 GMT
Hi renegade27,
Not having a SO35, I'm not sure of the wiring setup on this boat. However, here a few thoughts based on how our 36i is wired?
Our 36i has some circuits on the distribution board that are switched (via the front panel), and others that just run through fuses (or resetable breakers) from Blue Seas distribution boards behind the panel. For example, the shower sump pump circuit is just fused because it has its own switch in the head. Because of the current draw of our Autopilot, our SO36i is wired so that the "Instruments" switch on the front panel activates a relay. This relay provides power to the instruments (ST60 Instruments, ST6001 Autopilot, S1 Computer, Raystar GPS and VHF), by drawing current directly from a distribution board. The front panel switch merely activates the relay.
Thought number 1 is that if it is exists, you could have a relay that is faulty and fused closed. This would mean that power is present to the instruments even if the panel switch is off (and your GPS obtains power directly from the switch, or perhaps via another relay). If your "Instruments" supply is routed through a relay, try removing the relay temporarily from its holder to see if power is removed to the instruments.
Another thought is that even though power is on to your instruments with the Master switch, the instruments power should still be individually fused. Try isolating whether it is on a fixed circuit by removing fuses one at a time to find the circuit. You might then be able to determine how to re-wire it via a relay and/or switch directly.
The other possibility is that the instruments are connected directly to the battery via an inline fuse and not routed near the instrument panel. This shouldn't be the case but sometimes can be wired in this manner because of the autopilot draw.
These thoughts are really only stabs in the dark but might prove useful. Some photos of the back of your wiring panel may help.
Kind regards,
Geoff.
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Post by puravida35 on Sept 15, 2009 19:04:20 GMT
On my 2005 SO35, the 'instruments' switch on the panel controls power to the chartplotter (and GPS) at the nav station and to the tri-data instruments at the helm, nothing else. When that switch if off, the tri-data, plotter and GPS all turn off.
Thomas
s/v Pura Vida
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chumu
Junior Member
Ann and Dennis - SO37 - Chumu
Posts: 14 
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Post by chumu on Sept 23, 2009 19:28:59 GMT
We have a 2000 SO37 - I don't know if your wiring is similar, but we have one breaker for the instruments, and another ( in the aft cabin) for the autopilot. The 6001 ram needs more amps, and the factory panel is all prewired so that's why "they" put the breaker there. Anyhow, if the 6001 breaker is ON and the instrument breaker is OFF then the seatalk still feeds the instruments. We need to turn them both off - for the instruments to turn off. If and when I rewire the panel I intend to fix this.
Hope this helps.
SO37 CHUMU,
Dennis
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Post by renegade27 on Sept 24, 2009 0:45:31 GMT
Chumu - I will DEFINITELY check this out this weekend! Sounds like a fairly likely scenario.
Where in the aft cabin is the ST6001 breaker? In the aft (sleeping) cabin are the main battery switches plus one other that (I thought) fed the electric windlass - not marked except in French (and the computer translation I thought indicated as such).
Just opposite, behind the head, is a large storage area with holding tanks and the autopilot electronics. Is this where I should look?
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Post by davideso37 on Sept 24, 2009 9:57:47 GMT
Chumu,
Thanks for that lead. The SO37 and SO35 wiring diagrams ex factory manuals are almost identical. (I downloaded these from the web site) We have the same problem with the SO37 with the tridata, wind and autopilot staying on all night. It would be convenient to turn these off so I will have a look for a breaker on the autopilot circuit. Sometimes you want to leave the GPS and chartplotter on to use the anchor drift facility. I installed a fourth battery to ensure that we get through the night without the instrument low voltage alarm going off.
David
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chumu
Junior Member
Ann and Dennis - SO37 - Chumu
Posts: 14
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Post by chumu on Sept 24, 2009 15:15:45 GMT
All,
thanks, the autopilot big breaker is on the port side of the 3 battery switches on my boat, the SO37 2 cabin. I suspect the 3 cabin is similar. The breaker on the top is the windlass and below it is a breaker for the 6001 Ram. Of course you should be able to see the back of the breakers when the engine cover is pulled back.
BTW, my boat was an ex-charter boat and I'm still discovering surprises. I don't have any documentation, if anyone has the wiring diagram in electronic format I would love to have a copy.....
Dennis,
CHUMU SO37
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Post by davideso37 on Sept 25, 2009 12:21:53 GMT
Chumu, The SO35 wiring diagram is at www.jeanneau.fr/doc/proprietaire/manuelproprietaire_2_20080306_Manuel_SunOdyssey35.pdf The diagram is towards the back of the manual so begin at the end. The SO37 manual is also in the previous models area for downloading but it does not have a wiring diagram. As far as I can tell from comparing the hard copy of the SO37 diagram in my manual it is the same as the wiring diagram in the SO35 manual above but no guarantees. You may have some changes in your ex charter version. Hope this helps. David |
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Post by renegade27 on Sept 27, 2009 13:27:22 GMT
No luck in finding the breaker for my SO35 - still looking!
In the owners cabin by the battery switches there is a momentary push-button 30 amp (fuse?) that indicates autopilot, but even when pushed and held it doesn't kill the power to Seatalk.
With additional confidence, I'd change the push button to a switch - anyone with similar config?
I'm getting obsessed with this one!! Especially, my gut tells me that Chumu's got the essence of the situation pegged!
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chumu
Junior Member
Ann and Dennis - SO37 - Chumu
Posts: 14
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Post by chumu on Sept 28, 2009 0:04:16 GMT
Don, I took a couple of pictures today and put them up on my flickr page. Again, it's a 2 cabin SO37, I don't know what's original.... we've only had the boat 4 months now. I also posted some pictures of the galley makeover that I did - just in case someone has the urge to replace the white formica. www.flickr.com/photos/spartrek/Chumu, Dennis |
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Post by schnaps on Oct 4, 2009 15:48:35 GMT
I think, i find the solution... I have the same installation as Chumu. It means that my 6001 autopilot is directly feeded by the battery and through the SmartPilot (grey box), this feed the seatalk too. The C80 and GPS at the helm are feedind through the panel. So, i believe (i'll test this option the next WE) that if we "cut" the red wire of the seatalk in the smartpilot box, the power of the tridata and others instruments will be cut too. To do that, i'll bring to the panel the red wire to switch it on/off easyly. If it works, i'll do pictures... (sorry for my bad english  ) |
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Post by schnaps on Nov 3, 2009 17:51:30 GMT
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Post by MalcolmP on Nov 3, 2009 22:07:35 GMT
Schnapps
Excellent. I would like to include this (maybe with auto-translate option) in the next update for the Hints and Tips section
Should alleviate some sleepless nights
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Post by larryj on Nov 4, 2009 22:38:38 GMT
Not sure if this issue is solved but on my so 35 2003 the auto pilot breaker is pulled out 1/2" to disengage - thus turning off the instruments et al . I experimented with pushing it as well.
The electrics are a little scary - lots of unused dead ends and why so many splices - even when not needed . larryj
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Post by schnaps on Dec 6, 2009 17:28:36 GMT
Better as my prévious tips. I find the answer on the "Smartpilot Commissioning guide" page 15. Ther is a switch on the S2 and S3 Smartpilot which allows to interrupt the power. You can DL this guide (in english) on my website and read more informations (in french, sorry).  |
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Post by renegade27 on May 14, 2010 10:47:58 GMT
The forum definitely identified the problem... however, be cautious or you may fry your course computer as I did - $350 and a long commisioning process to repair!  I followed the instructions EXCEPT I had the 12VDC power 'ON' in the boat (remember if the battery is on the course computer is on as well). Working around electronics I should have known better... fried the board. I'm fortunate enough to live very close to the NH Raymarine facility and in addition to phone calls I walked my computer in. Had a long talk with several techs there face-to-face about the situation. They suggest NOT to use "on/off" terminals on the S2 Course Computer - - this is apparently "for emergencies" (whatever that means! ). Routine use of shutting the computer in this manner will apparently risk damage to the board. Instead, they suggest putting a power switch between the BATTERY and COURSE COMPUTER (got to be capable of 12VDC 15 amp). The solution was correct - got to cut power to the course computer if your instruments remain on - but solution suggested is not good for the autopilot computer. Easy enough to cut the power to the unit with a switch - just don't use the two terminals provided on the course computer itself. Hard lesson learned! |
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rick63
Full Member
Posts: 33
Jeanneau Model: SO 409 (2012)
Yacht Name: Topaz
Home Port: Troon
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Post by rick63 on Jun 16, 2010 12:28:02 GMT
I also have a SO 35 where the cockpit wind instruments remain on when the CB on the main panel is switched off. As mentioned on other posts I do have a push button breaker fitted in the aft cabin inboard of the battery switches. This isolates all the cockpit instruments and the autopilot computer.
The switch needs to be pushed in fully and then released to switch off. To switch back on the button gets pushed in again.
Hope this helps
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Post by renegade27 on Jun 17, 2010 10:09:28 GMT
While trying to put in a new "master switch" instead of the push breaker, I unscrewed the breaker and tried to pull it off - it pulled OUT disabling all. All this work and fret - - all I had to do was to pull the breaker out to click off. Push in to power - out to de-power. Geeeessshhhh. Someone at Jeanneau had it right - just didn't see it! Two steps back and three forward. Now if I could just get the new course computer calibrated to sail to a wind angle as well as it used to (rudder gain/ rudder trim/ response....). Oh well, more to play with.... what would we do if everything always worked perfectly!  |
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Post by Don Reaves on Jun 17, 2010 23:42:14 GMT
Renegade27 --Did you buy your boat new? Maybe the dealer could tell you how they set up the autopilot.
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Post by renegade27 on Jun 18, 2010 10:15:57 GMT
Thanks for the suggestion, but no. 3 season Chicago boat when I bought her. I'm getting the autopilot tune down and learning slowly - definitely not straightforward (at least to me).  |
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