instrument panel circuit board

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neilroach
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Joined: 2/4/10
Posts: 126
instrument panel circuit board

I'm continuing to investigate the condion of my instrument panel which up to this point has worked fine with the exception of no "low oil pressure" warning. I have read as many threads and links about the subject as I can find but am still unclear on a couple of things. A PO had done the safety fixes at some point so there is no apparent fire danger. The plugs are intact and in perfect, uncoroded condition and as only minimul current passes through these plugs, at this point, I see no point in replacing them.
That leaves the circuit board which I am led to believe served the purpose of processing the oil pressure signal and the high water temp. signal. I believe that there is a little alarm sounding device mounted on the board and one thread suggested that it was hard to hear.
So, is that the purpose of the board? Is that a little alarm horn?
I presume that the oil pressure alarm is easy enought to wire, bypassing the circuit board. Is there a way to wire the high water temp alarm without the circuit board.
I am led to believe that this board is no longer made, so there is no direct replacement.
Based on what I am finding and what I have read I think my 1992 was made just prior to a major change in how this was done at the factoy. It came stock with the voltmeter and shows no evidence of any overheating anywhere in the system.
I'm going to go through the system with a marine electrician but would appreciate any insights someone may have. Again, I have read all the warnings etc. It just seems that there is such a variation between years and batch runs within a year that someone may have done some work on a boat of roughly the same vintage.

Neil Roach
"Crewless"
1992 36, Mark I
Hull # 1174
Seattle

BudStreet
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Joined: 9/4/09
Posts: 1127

Neil, hopefully someone with a Mark I can enlighten you more. But the warning horn on our Mark II has two inputs, one for the high temp and one for the oil pressure. It sounds two different tones as well. Those alarm horns are available still. There is no circuit board on our panel so it seems that new style horn doesn't need one, it would be an easy fix I think to retrofit that style of horn onto your panel. I posted a schematic of our panel on the main site a while back.

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baysailor2000
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Joined: 5/16/10
Posts: 218

Here is what is used on my MKII. I spent a lot time trying to find out why it was not loud enough. I ordered a new one and it is as loud as it can be. It is about $ 24.00 you can get one from Digi-Key.

[url]http://www.digikey.com/product-detail/en/SC616JU-1/SC616JU-1-ND/3196327[...
Go here - seems that the price has gone up a bit.

Haro Bayandorian, 1999 C36 MKII, Sail La Vie #1787, M35B,
Coyote Point, San Mateo, CA.

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larryr
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Joined: 4/8/10
Posts: 12

Neil, FYI I replaced the engine control panel in the cockpit this summer. The oil pressure switch performs two functions on my 1994 Mk I with a M35A Universal diesel. One is the alarm the other the low press lite. Also on my engine the fuel lift pump is wired in the low press switch circuit. The idea is that low pressure will cutoff the fuel pump to preclude damage due to low/loss of oil pressure. Bid is correct as the alarm buzzer has three terminals wired to the water temp switch, low oil pressure switch and 12vdc. The alarm runs $24.00 from Catalina Direct part number Z2924. Check out Westerbeke wiring diag 200360.

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paul.lipsit
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Joined: 9/21/11
Posts: 17

I've jumped onto this thread as part of my research into instrument panel and wiring harness upgrades
I've been reading all threads pertaining to these issues and have an interest in moving the instrument panel from it's original location at ankle level, further up the coaming. I have a 1985 SR FK C36 mk1 with a Universal Kubota M25. It's only been sailed infrequently in fresh water and hasn't the corrosion issues common to salt water vessels. I'll be confirming the requirement to upgrade the harness and will do so if required. I'm retired from the electrical instrumentation field, so I'm comfortable in doing this work myself.

  • Does anyone have photos of the re-located panel?
  • Which panel is considered superior, the original Catalina or the Catalina Direct version?
  • Does the ​Mk1 require the angled or flat-faced  panel pod?
  • Once the panel is moved, does relocating the engine-off pull handle create issues with cable length?
  • If anyone has a slideshow or video of the conversion, that'd be awesome!

Paul Lipsit,
Zatarra #406
1985 C36 Mk1 S/R F/K
M-25 Universal Kubota
Port Dover, Ontario

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MitchMan406
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Joined: 12/31/11
Posts: 71

[quote=paul.lipsit]
I've been reading all threads pertaining to these issues and have an interest in moving the instrument panel from it's original location at ankle level, further up the coaming. I have a 1985 SR FK C36 mk1 with a Universal Kubota M25. 

  • Does anyone have photos of the re-located panel?
  • If anyone has a slideshow or video of the conversion, that'd be awesome!

[/quote]

I am interested in this too if anyone has relocated their panel to the coming area of the gunnel in the cockpit.

Please advise.

I second Paul's request for additional info, pics, video, or learnings.

Thank you!
 

Mitch

1986 Catalina 36 MKI 
S/V "Blessing"
Kema, TX
Hull: #584
M25 w/ Oberdorfer Conversion
 

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