I purchased and tried a remote switch todayit worked well. I would bet its your wiring harness. An update on the panel problem. You are using an out of date browser. I had the exact same issue when I first bought my boat, equipped with a Yanmar 3GM30F. And - not immediately but pretty soon- the problem went away. They just say to make an appointment. The screw driver across the solenoid poles was a very handy solution while I tried the other options. And although they seemed chunky enough, I worked out that the total resistance along the lengths was 0.003 ohms. The instrument panel is the Yanmar bare bones panel with a Tach and idiot lights that don't seem to light up. By the way I contacted sole and they didn't want to know. JavaScript is disabled. I had the same problem as in Post #1 with my Yanmar 3GM: pressing the start button always caused the solenoid to click but energized the starter only about once in five tries. Old wiring (5+ years) to the solenoid seems to gain resistance which results in a drop in voltage which fails to activate the solenoid. When power is shut off, the plunger releases and the engine stops. I think the solenoid itself is dead. White wire torpedo connection squeezed with pliers and bingo off we went. 0:00 / 6:25 Yanmar Tractor Starter Solenoid Replacement HoyeTractor 1.83K subscribers Subscribe 143 Share Save 51K views 12 years ago In this video we will replace a starter solenoid on a. Yanmar ZT370 all kinds of problems | Boat Repair Forum - MarineEngine.com Does the starter spin up at all A) when connected to the solenoid b) when jumped? Yanmar 3jh4e has had intermittent instrument panel stop - JustAnswer How high? Thank you Vic for your suggestions. And would give a 1.5V drop along the leads. Because 'parts of the starter button were melted' I suspect the main cable between the battery and the starter motor has become disconnected. since your solenoid has failed I would as stated above, take to any repair shop and get it overhauled (Complete starter) it will be as good as new at 1/4 if the price. What a pleasure. In the meantime, before I get it wired, I'm wondering about using a remote starting switch, one of those clip on jobs. Problem was related to the wiring harness being 10 years old. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. I never would have suspected that part, but it finally broke completely. For a better experience, please enable JavaScript in your browser before proceeding. You are using an out of date browser. Why was the original changed? Page 236 FUEL SYSTEM Fuel Injection Pump 16. Don't remove the solenoid with the rest of the motor intact, the hairpin return spring locates the engagement fork and is fiddly to re-engage. awol said: Right you smarty pants, I know you are ready to tell me that multi starter button pushes are a common Yanmar problem caused by bad connectors and thin wiring and the sure answer is a secondary solenoid or a push-switch close to the motor. Enjoy banner ad-free browsing with SailNet Community Plus. If they were connected the solenoid would be energised all the time. | Had boat hauled, refloated, no raw water flow? Having cleaned them all up a couple of times with limited success I ran a single wire between the starter switch and the solenoid, which seems to have solved it permanently. I've had this problem on many production boats. The Kubota is exposed which is nice for a visual check. After dealing with work no work all week, I repaced the relay to the solenoid, no luck. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Yeah. I have had the same problem, with the indirectly cooled same engine, over many years. But I had this problem too (3GMD). Replace all the components with TINNED wiring, etc. I'm looking for some practical advice. Possibilities: Sacrifice a goat, just to be on the safe side. For a better experience, please enable JavaScript in your browser before proceeding. BlazNT Lawn Pro Joined Apr 26, 2012 Threads 28 Messages 6,973 Typically it'sa related to the whitye wire running form the started button ot the low voltage side of the starter solenoid. May 2, 2015 JTW, Here is an excerpt from the X495 TM2024 service manual that might help. A short across the big terminals produced a satisfactory arc and the motor working so I have a solenoid that clicks but doesn't close its contacts. This machine does have a control module but I don't want to confuse the issue any more than I have. The problem is intermittent. Is the Yanmar type 2 panel just junk? Any solution for this ? You must log in or register to reply here. 1. The wire from the battery and the wire to the panel both were loose on the bolt. . You must log in or register to reply here. Enjoy banner ad-free browsing with Green Tractor Talk Plus. It seems on these Yanmars (3GM30) the starter solenoid is integrated in the starter motor and there is no way to by pass it. warren's solution is treating the symptoms. The solenoid should have four posts, two high amp, two low amp. I then ran a new wire directly back from the starter switch to the starter solenoid, which fixed it totally. For a better experience, please enable JavaScript in your browser before proceeding. I recently had what appeared to be similar starter problems with my Yanmar 2GM20F. JavaScript is disabled. Or just run a new dedicated starter control wire from start button output to starter solenoid control terminal. This seems to have aggravated with the cold weather. You are using an out of date browser. For my 3gm30f the root cause was the starter key mechanism. I am now a highly skilled starter motor stripper and reckon I could do it blindfold - must add that to my cv! I ran a new power wire to the switch panel, bypassing the push connectors, and I ran a solid wire from the pushbutton back to the solenoid bypassed the harness connections both coming and going.. works fine.. That effectively is what the relay does that is described above. Testing John Deere Yanmar Fuel Shutoff Solenoid GotDeeres 612 subscribers Subscribe Share 6.5K views 8 months ago This video explains the operation and testing of a John Deere Yanmar fuel. The brushes do need changing soon, so will find an auto bloke. Unless you plan on swapping engines on a regular schedule it is ok to neuter the engine electrical harness of ALL the quick connects. If it isn't about Ukraine then fuck off. Genuine PartsYANMAR USA If this is the same issue see. I eventually discovered a faulty wire between the ignition key and the starter button! You mention its the same wire thats always been there but there are several connections and loom plugs in between. Reams have been posted on this subject. Images: 3. The Fora platform includes forum software by XenForo. I did the former and have had NO problems for over 5 years. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Couldn't upload so I'll copy it. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Genuine Parts YANMAR Genuine Parts are the only parts manufactured to YANMAR's strict, industry-leading standards in quality and durability. It may not display this or other websites correctly. One shot of starting fluid and it would start up every time and run great.I used it a few times and then parked it for the winter.But even warmed up it wouldn't start. hmm just been through something similiarlong story short, new starter motor, problems, how old is the engine/starter, possible starter sol./, While it may not be totally relevant to this situation, and I am rather sure that it isn't the solution to the problem here, I did come across a similar issue with a, Had the same issue, Cold start no problem, then when hot and say a stop for, Had this problem 2 years ago half way across Biscay. 35 A is very likely the level of current drawn by the solenoid while it is doing this. 1984 Yanmar 3GMD Problem.turn on key and push start button.nothing but a click from the solenoid, click, click, click.finally engagement and start. https://www.ebay.co.uk/itm/12V-Auto327787?hash=item4b3d336dab:g:IeIAAOSwxwRarIz9. I don't want to reach behind the alternator and have my hands around rotating parts to short the circuit with a screw driver, I have some nice little burn scars fro doing that kind of thing before. when I double checked against the Kubota, it has same wiring. Is that correct? It's not unusual for the solenoid to take around 35A to engage the starter and the relay byepass isn't a bodge it's redesigning around a known weakness. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. each time it has lost all forward gears. That led everyone on a wild goose chase. How do I determine if it is the switch or where the problem is? Sometimes tries to weld itself to the studs, usually produces scary sparks, but the engine turns over and goes which has not been guaranteed with the button. There is a story to this as well. Just like the earlier diesel garden tractors using the Yanmar engine, the fuel shut-off solenoid has two windings, a high current pull in winding and a lower current hold in winding. Could be a much cheaper solution than replacing the current motor/solenoid. Worth considering that approach as it does not require running wires back to the switch. A new starter solved the problem for like the first one or two starts, then it was back to the same issue. JavaScript is disabled. Step 1, Purchase a standard 12v 40A N/O relay, about 2. Testing John Deere Yanmar Fuel Shutoff Solenoid - YouTube Pressing the start button gives me nothing but a single click from the starter. For a better experience, please enable JavaScript in your browser before proceeding. From memory it is the white wire from the switch that does the business You can strip the solenoid at least partially apart, I did it recently. For a better experience, please enable JavaScript in your browser before proceeding. Alternatively the tapping of the solenoid curing it is indicative of a problem with worn or sticking motor brushes which will usually manifest as an intermittent failure. Who changed it? hrs. Jul 9, 2015. The switch itself may be bad, i.e. Fuse for the solenoid mounted on the aft/port side of the engine block. Ukraine and Only Ukraine. Cleaning all of the harness connectors fixed my 2GM20F. 385 hrs on the motor and the stern drive has failed three times. From memory, isn't the activating +ve connection from the ignition switch to the solenoid normally isolated from the heavy duty +ve from battery to starter motor? #2. My experience of Yanmar is that they are somewhat lacking in electrical quality. Corrected the problem ,started tractor up running fine ,he now only has .2 hrs instead of 10?? Yanmar starting problems!!! Many manufacturers do not connect the wiring until the, http://www.cruisersforum.com/forums/es-130146.html. I simply ran new wire and have had to further problems. JavaScript is disabled. I have a yanmar 8lv 370 with the zt sterndrive. In extremis, banging a spanner across the solenoid terminals has always worked for me. Localize where the power is being lost and fix the energy path. I installed the second solenoid (<$20 at Radio Shack), as mentioned above, and it now starts 1 time, every time. Had a similar problem on our 3jh3e, turning the key sometimes started the engine other time it just clicked. It seems to me that it is unlikely that the Japanese would release an engine electrical package that was flawed by having inadequate solenoid leads . I've got an issue with my tractor. Cleaned it out and freed the brushespresto! You must log in or register to reply here. Yanmar 1GM starting problems have been a bit of a PITA on my boat for the last several years, although the engine has (so far) always started eventually. After replacing the part the engine suddenly starts instantly every time. Yanmar 3jh4e has had intermittent instrument panel stop button issues. 4720, 320D skid steer, Gator 865R, x748, 997, Farmall B, Ford 8N. The standard wiring loom includes four push fit connections between switch and starter, at least one of which is not obvious. I tried a lot of stuff, including replacing the start switch at the panel, the solenoid, and the starter motor, but in the end, option A you suggest above was the fix. They were connected through a 2 battery switch. If you have time please edit the mis information out. Yanmar Tractor Starter Solenoid Replacement - YouTube What a fine mess. as it takes a few cycles at the starter button to get power to the starter. Could you fuel pump timing be off? It's fairly common for the voltage at the starter to be too low while cranking. I can't see the actual shaft move as it's inside the housing. I found to my surprise that my leads had a combined length of 3 metres. Location: Aground in the Yorkshire Dales, awaiting a very high tide. What size cable would you need to use?