Cummins Marine Diesel Repower Specialists › Forums › Instrumentation & Electronics

This forum contains 43 topics and 281 replies, and was last updated by  Wayne Spalding 1 week ago.

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    • Cummins Marine Forum Topics
    • Vessel View 4 fuel used

      This topic has 2 replies, has 2 voices, and was last updated by Wayne Spalding 1 week 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 Replies
      October 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 fishing

      Last Post by:  Wayne Spalding posted: 1 week ago

    • ECM Voltage

      This topic has 11 replies, has 4 voices, and was last updated by Tony Athens 1 week 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 Replies
      October 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: 1 week ago

    • Aetna Tachometers and VHF Noise

      This topic has 7 replies, has 2 voices, and was last updated by Bob Waters 2 weeks 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 Replies
      October 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. Bob

      Last Post by:  Bob Waters posted: 2 weeks ago

    • Chasing down jumpy gauges – protecting connections.

      This topic has 5 replies, has 3 voices, and was last updated by Paul Hoffman 2 weeks 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 Replies
      September 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-3

      Last Post by:  Paul Hoffman posted: 2 weeks ago

    • Vessel View Fail

      This topic has 12 replies, has 3 voices, and was last updated by Scott Lambert 3 weeks 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 Replies
      September 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: 3 weeks ago

    • Vessel View works, dash gauges don't after install

      This topic has 1 reply, has 1 voices, and was last updated by Brian Wilson 4 weeks 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 Reply
      September 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:  Brian Wilson posted: 4 weeks ago

    • Cummings 210HP Twin engine; RPM tachometer

      This topic has 1 reply, has 2 voices, and was last updated by Tony Athens 1 month 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 Reply
      September 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: 1 month ago

    • Tachometer Question

      This topic has 5 replies, has 3 voices, and was last updated by Bill Karmis 2 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 Replies
      August 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:  Bill Karmis posted: 2 months ago

    • 1997 6BTA 5.9 w/ ZF Hurth

      This topic has 2 replies, has 2 voices, and was last updated by Scott Wooden 2 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 Replies
      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: 2 months ago

    • Exhaust heat sensor

      This topic has 20 replies, has 4 voices, and was last updated by Rob Schepis 3 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 Replies
      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: 3 months ago

    • external alarm buzzer for analog panel

      This topic has 6 replies, has 4 voices, and was last updated by Jerry White 4 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
      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, 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:  Jerry White posted: 4 months ago

    • Smartcraft Transducer

      This topic has 2 replies, has 2 voices, and was last updated by Dave Carlson 4 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
      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: 4 months ago

    • Smart craft needs calabration

      This topic has 1 reply, has 2 voices, and was last updated by Corey Schmidt 6 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 Reply
      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: 6 months ago

    • SMX Digital 6CTA external alarm

      This topic has 6 replies, has 3 voices, and was last updated by Corey Schmidt 7 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
      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: 7 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 8 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
      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: 8 months ago

    • Analog to NMEA 2000 converter/network

      This topic has 2 replies, has 3 voices, and was last updated by Jerome Billett 9 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
      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: 9 months ago

    • Bosch K1 Alternator wiring

      This topic has 8 replies, has 2 voices, and was last updated by Tony Athens 9 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
      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: https://www.sbmar.com/tonys-tips/

      Last Post by:  Tony Athens posted: 9 months ago

    • Sim no J39 data

      This topic has 17 replies, has 5 voices, and was last updated by Mike Mason 9 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
      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: 9 months ago

    • Alternator 22sl constantly charging

      This topic has 5 replies, has 2 voices, and was last updated by David Carter 10 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
      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: 10 months ago

    • DIgital Voltmeter install question?

      This topic has 11 replies, has 3 voices, and was last updated by Larry Backman 10 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
      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: 10 months ago

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