Cummins Marine Diesel Repower Specialists Forums Instrumentation & Electronics

This forum contains 37 topics and 248 replies, and was last updated by  Scott Wooden 3 weeks ago.

Viewing 20 topics - 1 through 20 (of 37 total)
    • Cummins Marine Forum Topics
    • 1997 6BTA 5.9 w/ ZF Hurth

      This topic has 2 replies, has 2 voices, and was last updated by Scott Wooden 3 weeks 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 Replies
      Reply #2 July 24, 2018 at 8:02 am Found it. On the flywheel under the air cleaner. Thanks for the links. That helped. Whisker River

      Last Post by:  Scott Wooden posted: 3 weeks ago

    • Vessel View Fail

      This topic has 8 replies, has 3 voices, and was last updated by Scott Lambert 1 month 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

      8 Replies
      Reply #8 July 16, 2018 at 1:03 am Hi Corey, no, been busy with work and haven’t the time or brain space. I have analog instruments and a smart tacho fitted, (picture attached) so I still have most of the info i need to run the boat. I was wondering if I upgrade to SMX will the analog instruments/smart tach still work? Attachments:You must be logged in to access attached files.

      Last Post by:  Scott Lambert posted: 1 month ago

    • Exhaust heat sensor

      This topic has 20 replies, has 4 voices, and was last updated by Rob Schepis 1 month 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 Replies
      Reply #20 June 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: 1 month ago

    • external alarm buzzer for analog panel

      This topic has 6 replies, has 4 voices, and was last updated by Jerry White 2 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 Replies
      Reply #6 June 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, 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:  Jerry White posted: 2 months ago

    • Smartcraft Transducer

      This topic has 2 replies, has 2 voices, and was last updated by Dave Carlson 2 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 Replies
      Reply #2 May 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:  Dave Carlson posted: 2 months ago

    • Smart craft needs calabration

      This topic has 1 reply, has 2 voices, and was last updated by Corey Schmidt 3 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 Replies
      Reply #1 April 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: 3 months ago

    • SMX Digital 6CTA external alarm

      This topic has 6 replies, has 3 voices, and was last updated by Corey Schmidt 5 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 Replies
      Reply #6 March 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: 5 months ago

    • 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 6 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 Replies
      Reply #12 February 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: 6 months ago

    • Analog to NMEA 2000 converter/network

      This topic has 2 replies, has 3 voices, and was last updated by Jerome Billett 6 months ago

      January 9, 2018 at 11:55 am I will be upgrading my electronics to Simrad Evo3s, and want to display engine information on them. I have 4BTAs with VDO OceanLine gauges that work great and I want to keep them. I assume I will be setting up a small NMEA 200 Network. I am looking at the following converters, VDO Aqualink, Noland RS11, AlbaCombi, Actisense EMU-1. Does anyone have any experience in this type of an install or have used any of the units I mentioned. I’m…

      Started by:  Mike

      2 Replies
      Reply #2 January 22, 2018 at 9:34 pm I installed a Noland MD33 for dual engine analog (directly from the analog gauges) to NMEA 2000 conversion on my mains and a Noland RS-11 in the engine room to send gauge data from my generator and turbo boost sender to the NMEA 2000. Works great. It requires some fiddling around to calibrate but once you get the hang of it it works very well. JBB

      Last Post by:  Jerome Billett posted: 6 months ago

    • Bosch K1 Alternator wiring

      This topic has 8 replies, has 2 voices, and was last updated by Tony Athens 6 months ago

      January 3, 2018 at 9:45 pm What is the D+ lug on the K1 Bosch alternator for? It was jumped over from the B+ lug when I inherited this boat. It had a parasitic drain on the battery that was identified as the alternator. First suspicions and advise was that a diode was bad. But, I am now thinking the jumper wire from the D+ lug was the cause. I “now” understand this to be the field exciting lug also used in conjunction with a charge indicator light. The light f…

      Started by:  David Wesner

      8 Replies
      Reply #8 January 21, 2018 at 3:23 pm Glad you sorted it out.. Yes, an LED will accomplish this too. Tony Tony Athens Seaboard Founder Go here for the latest stuff we put together and share for all to see:

      Last Post by:  Tony Athens posted: 6 months ago

    • Sim no J39 data

      This topic has 17 replies, has 5 voices, and was last updated by Mike Mason 7 months ago

      July 22, 2017 at 5:10 pm Cummins had to replace my QSB 5.9 engine and put a Recon in it this last week. All seems to be fine. They very nicely gave me a version 3 VesselView as I didn’t have one in the boat. We connected it for the sea trial and it all worked fine yesterday. Today, shortly after starting the engine I got the “sim no J39 data” error. When this occurs, don’t get any rpm reading, either on the VesselView or the original tachome…

      Started by:  David Hays

      17 Replies
      Reply #17 December 26, 2017 at 9:53 pm Will run the boat Thursday and advise. I know I do have the sensors on both gears. I see them on both sides of the gear coolers.

      Last Post by:  Mike Mason posted: 7 months ago

    • Alternator 22sl constantly charging

      This topic has 5 replies, has 2 voices, and was last updated by David Carter 8 months ago

      November 30, 2017 at 7:15 pm I have twin Cummins 450s 6cta 8.3 on a large boat. My batteries where bubbling out of the vents. 8d x 7. I have an inverter bank of two, house bank of two, one for each engine and one for my thruster. To start my alternator was swinging every few seconds from 14.7v to 12.7v I changed all my batteries and disconnected the heater for that engine. The swim stopped now it’s just charging. The batteries should be charged my inverter ran all nig…

      Started by:  David Carter

      5 Replies
      Reply #5 December 3, 2017 at 4:20 pm I really appreciate that I can post these questions and to have someone of your caliber to answer. Under Tony’s tips in the electrical section you have typical dc distribution. I have a manual switch on the combiner and I disconnected it. When I check voltage with the engine running there’s only one battery being charged. I’m getting the leads labeled. I ran each engine and checked the voltage on the batteries. The engine batteries are st…

      Last Post by:  David Carter posted: 8 months ago

    • DIgital Voltmeter install question?

      This topic has 11 replies, has 3 voices, and was last updated by Larry Backman 8 months ago

      November 25, 2017 at 3:38 pm I’m about to install a pair of SMX Digital Voltmeters to a pair of 8Ds. I’m installing home runs +/- for both but…… Both batteries go to a common ground bus, from which the whole boat is grounded. Is there any value to having one of the DVMs have a switched negative which goes to the ground bus so I can see the difference between battery egatuve and ground negative? Would that help me in chasing a ground leak if one dev…

      Started by:  Larry Backman

      11 Replies
      Reply #11 November 28, 2017 at 6:18 pm I discovered this on the charging leads to my battery terminals…… I guess the secret of DVM’s is that they cause you to look at wiring you take for granted and replace it! That was a good find… Attachments:You must be logged in to access attached files.

      Last Post by:  Larry Backman posted: 8 months ago

    • VDO Cummins "B" Instrument Wiring?

      This topic has 9 replies, has 4 voices, and was last updated by Tony Athens 9 months ago

      May 31, 2017 at 12:21 pm These panels [370HP Diamond CPL 2208], have a loose circuit board associated with each engine panel at each control station. An alarm buzzer is part of each board. The ‘workings’ of this board tion. The ‘workings’ of this board are a mystery to me as I can’t find documentation. According to the first attachment the volt meter has purple [ignition] on one side and purple/black thru the low volt LED thence to a two w…

      Started by:  Michael Loy

      9 Replies
      Reply #9 October 29, 2017 at 12:36 pm This may also add to the understanding of the factory system…………..The PCB boat IS NOT needed for all the instrument to work properly. In fact, on a properly working system, the PCB can be removed from the panel and all of the instrument will operate as they should.. The PCB BOARD is there for one reason only–To have an “vital sign alarm system” for the engine.. It basically reads the return signal from t…

      Last Post by:  Tony Athens posted: 9 months ago

    • SMX Digital Voltage Monitors

      This topic has 7 replies, has 4 voices, and was last updated by Rob Schepis 10 months ago

      October 11, 2017 at 6:04 pm I did a DC refit this past spring which included new battery trays, 3 banks of wet batteries (house, start, genset), home run SMX DVM’s from Seaboard Marine to each battery bank an ACR between the start and house with custom panel at the helm to monitor, new On/OFF battery switches for the House & Genset banks, an On/Off /Combine switch for the Start, added a ProMariner 12-60P 60 amp charger dedicated to the house with a remote display…

      Started by:  KevinS

      7 Replies
      Reply #7 October 14, 2017 at 4:49 am I knew how “fond” of that gauge you were and figured it was a goner by now! Rob "Luck is the residue of good design."

      Last Post by:  Rob Schepis posted: 10 months ago

    • WIF alarm

      This topic has 6 replies, has 4 voices, and was last updated by Corey Schmidt 10 months ago

      May 23, 2017 at 3:46 am Hi All, My new to me QSC engines do not have a WIF sensor installed, do I buy the blanking cap or the sensor. Is the sensor worthwhile? Thanks Luke

      Started by:  Luke Nelson

      6 Replies
      Reply #6 September 22, 2017 at 11:15 am Where did you get the terminating resistors from? Can you send us a picture of the harnessing / wiring? Corey Schmidt VP, Operations Seaboard Marine, Inc.

      Last Post by:  Corey Schmidt posted: 10 months ago

    • Faria Synchronizer

      This topic has 4 replies, has 4 voices, and was last updated by Zeki Karadeniz 12 months ago

      July 10, 2017 at 12:00 pm I’ve installed Faria Synchronizers (Catalog #34601, Factory #SY9671) on my Cummins 6BTA-3M powered boat. So far, the synchronizers aren’t working as the needle/indicator jumps and I’ve tried to adjust the synchronizers per the instructions, no help/progress. Are the engines equipped with a magnetic or alternator tach. signal source…? Any idea’s..? Thank you..

      Started by:  jfsimpson

      4 Replies
      Reply #4 August 20, 2017 at 4:55 am Thank you very much Tony. You are the Pope of Cummins. 👏🙏🙏

      Last Post by:  Zeki Karadeniz posted: 12 months ago

    • Searay 40 temporary loss of guage data, syncronizer affected

      This topic has 10 replies, has 4 voices, and was last updated by Corey Schmidt 1 year ago

      June 29, 2017 at 4:39 pm Tony and Corey or others, Thanks again for the help last year advising me to install the Cummins adapter harness which eliminated those ghost error codes. By the way, Boatdiesel would not post my thank you to you guys several months ago. Here is a new problem I hope you or someone else on the forum can help with. First my boat: 2006 Searay 40 dancer. Twin cummins qsb 380 5.9. Ser.46524871 and 46525394. Vessel view software ver. Yesterd…

      Started by:  charles

      10 Replies
      Reply #10 July 15, 2017 at 6:56 am The SmartCraft gremlin never sleeps but you can keep him at bay with a clean and dry engine room, good tight & greased harness connections, and a little good luck on your side… Corey Schmidt VP, Operations Seaboard Marine, Inc.

      Last Post by:  Corey Schmidt posted: 1 year ago

    • Installing SMX analog for 6BTA

      This topic has 6 replies, has 3 voices, and was last updated by Corey Schmidt 1 year ago

      April 29, 2017 at 6:52 pm Just completed the install of my SMX analog for Cummins.  This was not a plug and play as it is on a 2006 Meridian and I had to make up a harness.  Everything except the oil pressure works fine but the oil pressure is pegged at 150 PSI.  The oil pressure sender is a single wire sender and I don’t see any additional wires on the engines near the sender   Previous gauge was Faria   I verified that the ground is good …

      Started by:  Wayne Sos

      6 Replies
      Reply #6 June 16, 2017 at 1:55 pm Wayne, the version that you see on the product page is the older software version that “looks” different and doesn’t have a lot of the new features incorporated… Corey Schmidt VP, Operations Seaboard Marine, Inc.

      Last Post by:  Corey Schmidt posted: 1 year ago

    • NMEA 2000 compatabiltiy

      This topic has 3 replies, has 3 voices, and was last updated by Rob Schepis 1 year ago

      June 12, 2017 at 4:57 pm Anyone having issues with N2K compatibility? I’m having trouble with a Garmin system that has a NMEA 2000 rudder reference that drops out when the Cummins engines start. Engines are 2 years old, same for Garmin mfd’s. There are more details but I’m looking to see if anyone has experienced and solved this. So far neither Garmin nor Cummins (via the Tiara dealer) have been able to provide a solution. I am an electronics tech…

      Started by:  marinewright1

      3 Replies
      Reply #3 June 13, 2017 at 8:11 am For troubleshooting, bring to the boat a small independent 12V battery and power the N2K backbone with it. That will “prove” your network construction in and amongst itself. Is the RRU on a backbone extension? Rob "Luck is the residue of good design."

      Last Post by:  Rob Schepis posted: 1 year ago

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