This forum contains 48 topics and 299 replies, and was last updated by 
Tony Athens 6 hours ago.
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- Cummins Marine Forum Topics
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Converting 6B5.9M from 12 to 24 volts
This topic has 2 replies, has 3 voices, and was last updated by
Tony Athens 6 hours ago December 18, 2018 at 3:40 am My 6B5.9M was manufactured in 1994 but installed new in 2004 in my sailboat. I’m now converting my electrical system to 24volts and was originally planning to just swap out the alternator and leave the rest of the relatively simple engine electrical systems at 12V. However, as it turns out only a few electronics items need 12V and a simple DCDC converter can handle them nicely. In many ways it would be simpler to convert all to 24V, but h…
Started by:
Robert Cart
2 RepliesDecember 18, 2018 at 8:03 am Robert, I really think you need to rethink this out if $$, time, complexity & and hassle are part of what you’d like to keep at a minimum.. 1) Converting the panels is not cheap-The 24VDC PC board will set you back over $300 each. Then you have the lights and the tach. 2) You need a new starter, new mag switch, and a new fuel solenoid 3) then the new alternator……. Way better and easier to go exactly the other way.. Go ah…Last Post by:
Tony Athens
posted: 6 hours ago
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Murphy Gauge on 6BTA
This topic has 2 replies, has 2 voices, and was last updated by
Tony Athens 2 weeks ago November 30, 2018 at 4:49 pm Anybody have pics of these installed on a 6bta? I seen the 6cta (I think) on this site but it looks like the tank might be bigger. I’d like to put them on the sides just like that though. How’s installation? I need to put fitting in the bottom the the tank and then the top one can go over to the starboard side of the tank where all of the plugs are?
Started by:
Shawn
2 RepliesNovember 30, 2018 at 5:33 pm Read thru this to where you understand the basic principles as to what needs to be accomplished.. The engine make or tank you mount it on does not matter, it’s how it in mounted.. Tony Tony Athens Seaboard Founder Go here for the latest stuff we put together and share for all to see: https://www.sbmar.com/tonys-tips/ Attachments:You must be logged in to access attached files.Last Post by:
Tony Athens
posted: 2 weeks ago
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Alarm panels waterproof?
This topic has 4 replies, has 4 voices, and was last updated by
Corey Schmidt 2 weeks ago November 23, 2018 at 3:30 pm I had a couple of Borel (I think) alarm panels in my boat. I’m looking for a more waterproof solution if possible and was wondering if the ones on this site are?
Started by:
4 RepliesNovember 27, 2018 at 5:00 pm Most of the panels we sell have the sensitive electronics on the rear of the panels “gooped” with electrical grade doping compound so they are not exposed. The panels seem to hold up very well to the elements… Corey Schmidt VP, Operations Seaboard Marine, Inc.Last Post by:
Corey Schmidt
posted: 2 weeks ago
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Troll & Cruise modes Vessel View 4
This topic has 5 replies, has 3 voices, and was last updated by
Tony Athens 3 weeks ago November 26, 2018 at 4:42 am Hi all, I have a pair of recently installed QSB5.9 380hp with Vessel View 4’s. Troll mode has been displayed in yellow with (apparently no operational effect ) since installation. When I try to disable it, the disable button is greyed out. When the engines were commissioned, the Cummins Tech noticed this, but brushed it off. I would like to know if this feature (Troll rpm) and Cruise mode as per the operating manual is available with these…
Started by:
Wayne Spalding
5 RepliesNovember 26, 2018 at 6:19 pm Wayne, If you figure it out how to incorporate something that is glitch free, reliable, intuitive to use, fulled supported, and something you can troubleshooted if problems occurs, let me know.. At this point in time, those parameters do do exist with my “since 2004” experiences using “Mercury Electronics”, AKA “SmartCraft” or what I am not allowed to call it anymore.in a public forum. Tony Tony Athens Seabo…Last Post by:
Tony Athens
posted: 3 weeks ago
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VDO Boost/Pyro gauge
This topic has 5 replies, has 3 voices, and was last updated by
Rob Schepis 1 month ago November 14, 2018 at 11:31 am The Cummins OEM analog marine panel on my trawler has one blank VDO gauge space that I want to use for a combination boost/pyro gauge. The hole size for the ISSPRO SMX Marine Boost/Pyro (EGT) Turbocator Gauge Kit is too large for the VDO gauge space. I have been unable to find this combination in a VDO gauge. Any suggestions? Thanks DLECME Attachments:You must be logged in to access attached files.
Started by:
DeWayne Enyeart
5 RepliesNovember 15, 2018 at 5:31 pm Install a VDO Gear PSI guage at the open location in the Cummins panel and then the SMX boost/pyro unit off to either side. Rob "Luck is the residue of good design."Last Post by:
Rob Schepis
posted: 1 month ago
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Vessel View 4 fuel used
This topic has 2 replies, has 2 voices, and was last updated by
Wayne Spalding 2 months ago October 11, 2018 at 12:53 am I recently installed 2 X QSB 5.9 380 engines into my boat equipped with Vessel View 4 indicators I have no tank quantity indication (I use a dipstick), but note there is good fuel flow indication. Can I set the system up to indicate fuel remaining if I give it the tank capacity of the boat? Or at the least, a ‘fuel used’ summary after each trip? Thanks in advance Wayne Spalding Tank quantity ~ 1500ltrs Based Gold Coast, Australia general spo…
Started by:
Wayne Spalding
2 RepliesOctober 11, 2018 at 4:27 pm Thanks Corey, it’s the manual input that I was after, there is no level sensor in the tank Based Gold Coast, Australia general sport fishingLast Post by:
Wayne Spalding
posted: 2 months ago
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ECM Voltage
This topic has 11 replies, has 4 voices, and was last updated by
Tony Athens 2 months ago May 18, 2017 at 10:43 am Hello Everyone. Lately I have been getting an alarm on my QSB 5.9 which reads “ECM High Battery Volts”. This alarm is intermittent and sounds everyday but does not last all day. Comes and goes when it feels like. Has anyone had any experience with this alarm? I’m thinking it’s a control module of some sort which has its own battery supply?? Any help would be greatly appreciated. Attached a pic of my display. Regards. Atta…
Started by:
Anthoni Lightbourne
11 RepliesOctober 11, 2018 at 6:31 am Yes, the voltage regulator is an internal part of every Cummins supplied alternator… The part is cheap ($15-ish) but is usually only sourced and installed by someone in the business ( meaning a local alternator repair facility).. Tony Tony Athens Seaboard Founder Go here for the latest stuff we put together and share for all to see: https://www.sbmar.com/tonys-tips/ Attachments:You must be logged in to access attached files.Last Post by:
Tony Athens
posted: 2 months ago
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Aetna Tachometers and VHF Noise
This topic has 7 replies, has 2 voices, and was last updated by
Bob Waters 2 months ago
October 1, 2018 at 4:46 pm I recently installed a pair of Aetna Tachometers, model 8905R-P-DS LCD in the tower of my boat. I used Belden, twisted pair, shielded 16 guage wire for the signal wire. The tachometers work great and are very accurate. I have power supply running from 12V power panel in the tower with toggle switches and fuses, so I can turn them on and off. They are not wired to the ignition switch. The problem is I’m getting a lot of noise on my VHF radi…
Started by:
Bob Waters
7 RepliesOctober 5, 2018 at 11:05 am Rob. Thanks for the contact number. I will call ICOM. I agree, the external speak sounds much better than the internal. A very good upgrade. BobLast Post by:
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Chasing down jumpy gauges – protecting connections.
This topic has 5 replies, has 3 voices, and was last updated by
Paul Hoffman 2 months ago September 19, 2018 at 6:49 am 1999 Cummings 6BTA 5.9 M-3. I’m chasing oil gauge issues on both engines. At low RPMs (<1,000) no issues, all gauges indicate rock steady. When pushing up to say 2,000 one or both gauges will start to swing erratically, and eventually fall to zero. This typically leads to an engine alarm in a few minutes (though not always – not sure why). Jogging the throttles to bring RPMs up and down tends to bring the gauges off the zero,…
Started by:
Paul Hoffman
5 RepliesSeptember 30, 2018 at 12:29 pm WD-40 and brushes followed by white Li grease (I’ve got a tube of that I use on my garage door). I’ll let you know how it goes. Paul Changes in L'Attitudes 1999 Maxum 4100 SCA Twin Cummins 330HP 6BTA 5.9-M-3Last Post by:
Paul Hoffman
posted: 2 months ago
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Vessel View Fail
This topic has 12 replies, has 3 voices, and was last updated by
Scott Lambert 2 months ago June 22, 2018 at 1:20 am I have attached a photo of my vessel view display looking pretty sick. It is just showing horizontal white lines across the screen. Any one seen this before? Could it be a connection or will it need replacing? I have unplugged the connections on the back which has made no difference. Attachments:You must be logged in to access attached files.
Started by:
Scott Lambert
12 RepliesSeptember 24, 2018 at 3:23 pm I have attached photos of SMX up and running, very happy! I have also attached a photo of the old smart craft wiring. As Corey says, one of the benefits of this system is its simplicity. The space under my helm station used to be a mess of tangled wires, now it is relatively simple and uncluttered. Attachments:You must be logged in to access attached files.Last Post by:
Scott Lambert
posted: 2 months ago
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Vessel View works, dash gauges don't after install
This topic has 1 reply, has 1 voices, and was last updated by
Brian Wilson 2 months ago
September 21, 2018 at 9:45 am Hi, I recently installed a VesselView 4 into my 2007 SeaRay, replacing the dead DieselView unit. I unplugged the wiring harness from the command module and connected the 403 harness in its place. The 403 works great but at the same time, all my dash gauges stopped working. Does the cable I disconnected need to connect to something else? Many thanks in advance for anyone who takes the time to point this newbie in the right direction. Brian
Started by:
Brian Wilson
1 ReplySeptember 21, 2018 at 11:02 am An update on this. If I reconnect the harness for DieselView to the j-box and connect the cables to it, the dash gauges work again. Obviously, this isn’t a great solution as I want to toss the DieselView unit. Do I need to terminate either or both of the connectors (shown in pic) going into DieselView? Brian Attachments:You must be logged in to access attached files.Last Post by:
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Cummings 210HP Twin engine; RPM tachometer
This topic has 1 reply, has 2 voices, and was last updated by
Tony Athens 3 months ago September 3, 2018 at 2:55 am HI everyone, I am pretty much new to power boating; so you can guess I do not know much about engines and instrumentation. Everything was running smoothly until I had my engines serviced. When I start them the RPM tachometer for one engine fluctuates wildly from 600 to 2000 RPM, also under load. The engine runs fine. I have ruled out a faulty tachometer because the one in the boat and the one on the flybridge are doing the same thing. Has anyb…
Started by:
Klaus Scheckel
1 ReplySeptember 3, 2018 at 12:06 pm What you have that sends the signal to the tach is either faulty, needs to be reset, or has a bad wire connection.. Most likely you have a magnetic pickup??.. How To Install a Magnetic Pickup to Drive a Tachometer Magnetic Switch Location on your B Series Cummins Tony Athens Seaboard Founder Go here for the latest stuff we put together and share for all to see: https://www.sbmar.com/tonys-tips/Last Post by:
Tony Athens
posted: 3 months ago
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Tachometer Question
This topic has 5 replies, has 3 voices, and was last updated by
Bill Karmis 4 months ago
August 16, 2018 at 2:33 pm Hi I have a 2000 Tiara 31 Open with Cummins 330B motors Can anyone confirm where the tach signal comes from? Took my tachometer in for rebuild and they say my tachs are getting signal from something other than the magnetic pick up I haven’t seen any variation to this anywhere I’ve read. Anybody know if they used anything else ? My controls are all manual no ECU or anything Any insights would be appreciated
Started by:
Bill Karmis
5 RepliesAugust 19, 2018 at 3:13 pm Here are some not sure what I’m looking for Attachments:You must be logged in to access attached files.Last Post by:
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1997 6BTA 5.9 w/ ZF Hurth
This topic has 2 replies, has 2 voices, and was last updated by
Scott Wooden 4 months ago July 14, 2018 at 11:46 am I have a 1997 Maxum 4600 SCB with two Cummins Diesels. Trying to locate the RPM sensor. Don’t know if it was placed on the alternator or the transmission. Do not know what it looks like. Been all through the internet and pictures. But cannot find just a flat out picture or drawing or comment that says it right here. We bought a Livorsi DC4000DA to replace the old gauge and I know mean that means Alternator driven. They are pegging past the…
Started by:
Scott Wooden
2 RepliesJuly 24, 2018 at 8:02 am Found it. On the flywheel under the air cleaner. Thanks for the links. That helped. Whisker RiverLast Post by:
Scott Wooden
posted: 4 months ago
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Exhaust heat sensor
This topic has 20 replies, has 4 voices, and was last updated by
Rob Schepis 5 months ago June 18, 2018 at 3:45 am I’ve seen discussion of little heat pucks that can be used as additional overheat alarms. My northern light generator started to shut down the second the shutdown bypass/preheat switch was released. Investigation showed a bad temp switch which I am replacing but it also showed my exhaust temp switches wires were. It and corroded. It’s brutal access and the exhaust switch wires go into a harness that’s going to unleash more demons if I cu…
Started by:
Larry Backman
20 RepliesJune 28, 2018 at 1:37 pm Cut some test studs and JB Weld them to a metal test piece. Rob "Luck is the residue of good design."Last Post by:
Rob Schepis
posted: 5 months ago
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external alarm buzzer for analog panel
This topic has 6 replies, has 4 voices, and was last updated by
Jerry White 6 months ago
May 22, 2018 at 6:31 am I have an analog alarm panel from a 8.3 that the buzzer has failed on, i replaced the board with one from a spare motor and all is well. My question is could i solder a couple pigtails onto the board with the bad buzzer and connect a remote piezo buzzer that would be located in area that was easier to hear if an alarm is present? Fellow running the boat is about half deaf and can’t hear the alarms when engine is over an idle. Not sure wh…
Started by:
Jerry White
6 RepliesJune 10, 2018 at 3:30 am As an update I re-installed the alarm circuit board and it works great, though i had to try two different buzzers. The first unit would not work at the lower voltage (9.8volts), the second unit tried, https://www.amazon.com/gp/product/B00HR6P9QU/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1 worked great and will wake the dead. A side note is that if anyone is suffering with low oil pressure alarms when engine is pulled back to an idle, which …Last Post by:
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Smartcraft Transducer
This topic has 2 replies, has 2 voices, and was last updated by
Dave Carlson 6 months ago
May 24, 2018 at 12:22 pm I am looking for info on depth transducer installation on a smartcraft diesel view with QSC 500’s. The transducer I received from Mercury is for older 8.3 engines with a flat 4 pin connector that is labeled to connect to the diagnostic port. The QSC has a round port. There is a transducer connector on the Medusa harness which does not work even if connected to 12V. Does anyone have any opinions on how or even if this can be done? These are…
Started by:
Dave Carlson
2 RepliesMay 26, 2018 at 11:46 am Thanks for the reply. I know they are outdated but they still work so I would like to put off replacement until needed!Last Post by:
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Smart craft needs calabration
This topic has 1 reply, has 2 voices, and was last updated by
Corey Schmidt 8 months ago April 16, 2018 at 12:07 pm I own a 2005 searay 39 dancer with cummins 370’s. While under way with engine syncs on, (only using starboard throttle) lost port rpm, switched off syncs, used both trottles ok. Traced to broken wire in harness connector under starboard aftercooler. Engine syncs now work. When i start engines, smart craft says(must perform dielsel calibration). I tried to calibrate will not let me. If I turn start rocker switch on& off 1 time quickly, …
Started by:
Europeanautoctr
1 ReplyApril 18, 2018 at 9:01 am Tell me EXACTLY which engines you have… if you’re not 100% sure, send me serial numbers. I would also like to see a picture of your SmartCraft display and the C-Cruise rocker panels so I can see exactly how you’re setup before moving too much further… Thanks, Corey Corey Schmidt VP, Operations Seaboard Marine, Inc.Last Post by:
Corey Schmidt
posted: 8 months ago
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SMX Digital 6CTA external alarm
This topic has 6 replies, has 3 voices, and was last updated by
Corey Schmidt 9 months ago March 14, 2018 at 4:32 pm I want to hook up an external alarm to the SMX Digital View display for my Cummins 6CTA 8.3. From the webpage it looks like the alarm lead closes to ground when there is an alarm. Can I hook that lead (pin3) up to an external buzzer ground and run a fused positive lead to the positive end of the buzzer? Thanks
Started by:
Bryan
6 RepliesMarch 17, 2018 at 9:31 am I see, yes you are correct that the panel set points for the ED-1/ED-X display on a 480CE cannot be changed because that set-point number is determined by the engine ECM controller… not the display. Think of your display as a “monitor” and nothing else. The displays we use (SMX DigitalView) to indicate instrumentation on mechanical engines uses software that Seaboard developed in-house and therefore we have much more flexibilit…Last Post by:
Corey Schmidt
posted: 9 months ago
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Is an EGT alarm a better overheat indicator than coolent temp.
This topic has 12 replies, has 7 voices, and was last updated by
Dan 10 months ago
January 28, 2018 at 5:10 pm I’m considering installing EGT gauges with alarms to augment my coolent temp gauges/alarms. I’m thinking this is an overall better heads up that things are heating up. I’ve read that if you lost all coolant (blown hose) you may not get an alarm due to sensors no longer submerged in coolant. Am I thinking corectly? Is it worth installing these? Any strong opinions? Thanks! Joe
Started by:
Joe Monaco
12 RepliesFebruary 1, 2018 at 11:04 am Bill, I’m no where near the boat at this time,so I can’t reference my records -from memory the impellers where under 150 hours,around six months old,the other one still hasn’t been changed. The one that failed was the one that picked up the oyster shell, damage was probably done then. Rob They have served me well,for under two hundred dollars they certainly have paid for themselves,yes its a pursuit- speed is in MPH.Last Post by:
Dan posted: 10 months ago
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Converting 6B5.9M from 12 to 24 volts
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