You can also read the documentation to learn about Wordfence's blocking tools, or visit wordfence.com to learn more about Wordfence. }, I have 6.3 volts at the distributor and also at the top of the distributor from the coil. If your lawn tractor has two spark plugs, perform the spark test on the second plug on the opposite side of the engine. After spraying it with the cleaning product, you may reassemble the components and let the spray do the job while your lawnmower is working. I have 6.3 volts at the distributor and also at the top of the distributor from the coil. Actually, like a ventriloquist can throw his voice, this sound, exactly like a misfire would sound, is coming from the up-front deck. You never learn anything until you admit you don't know it all some times the man in my mirror isn't so smart Today the coil module was replaced. I keep it in 2 wheel drive unless I need 4 wheel Traction. Access from your area has been temporarily limited for security reasons. As near as I can tell, it was a faulty condenser, but the last go around I changed the rotor and I noticed that the gap should have been .025 instead of .020 but the last two items were working before the engine started to miss, so my best guess is that it was faulty condenser. Phone: (440) 742-7026. Photos No photos of the John Deere 1420 are currently available. "@id": "https://www.yesterdaystractors.com/" I drove it to the shop. Usually the break is the issue. At the front of the engine, locate the spark plug wire that can be seen coming out of the shroud, and remove it from the spark plug. Wow- I mowed the acre without having to stop for the first time in a month. Wordfence is a security plugin installed on over 4 million WordPress sites. You replaced the coil, but how about the igniter? Use of this Web site constitutes acceptance of our. If the porcelain is cracked on the spark plug, replace it with a new one. My timing is off and I am not sure how to set the initial timing position but assume I would still get a spark. Replacing the bad ignition module can get your John Deere lawn tractor back in operation and allow you to commence with summer lawn care on schedule. 23X10.5-12 4pr Turf Tires Deluxe Suspension .See More Details. Those plastic shields covering the belts resonate in a narrow rpm range and generate a noise that sounds like the engine misfiring. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Also the air gap should be .012 on the magneto. MTG/JDLink-Equipped Machine*. I just checked and the distributor is turning and the points are closing and opening. Case, Case-IH, Farmall, International Harvester, New Holland and their logos are registered trademarks of CNH Global N.V. I'm thinking igniter. Turn the adjustment screw on the spark tester to 4.2 mm or 0.166 inches. While we are at it, I am going to replace all the wiring. It was a good learning experience. Can be really aggravating. If you think you have been blocked in error, contact the owner of this site for assistance. Replace that and 9.9999 times out of 10 it will start right up. "@type": "Person", The coil has to fire HV out its top tower (each time points break open) but then it has to be distributed via the dist cap and rotor assembly which can be at fault For a complete troubleshooting procedure to determine the cause of no fire out the coils top HV tower (where coil wire attaches) copy and work through my procedure linked below: http://www.ytmag.com/cgi-bin/viewit.cgi?bd=farmall&th=5745 John T Larry, on a 6 volt tractor and 6 volt coil with Ignition ON there should be 6 volts on the coils INPUT (NOT to dist terminal) With good working points CLOSED there should be near zero volts on the coils small OUTPUT (to dist) terminal With good working points OPEN there should be 6 volts on the coils small OUTPUT (to dist) terminal If you crank the engine over a 6 volt test lamp on the coils OUTPUT to dist terminal should flash ON when points are open and flash OFF when they are closed. Is there anything else if these items don't fix it. While cranking every time I grounded the wire I got a spark. probably the igniter on the side of the block. All Rights Reserved. Welcome! This is real easy on the diesel which makes me smile. Free shipping. Agco, Agco Allis, White, Massey Ferguson and their logos are the registered trademarks of AGCO Corporation. Clean the points, even if they are new. Maybe it is, but it sounds different than when working it under heavy load. TRADEMARK DISCLAIMER: Tradenames and Trademarks referred to within Yesterday's Tractor Co. products and within the Yesterday's Tractor Co. websites are the property of their respective trademark holders. . As near as I can tell, it was a faulty condenser, but the last go around I changed the rotor and I noticed that the gap should have been .025 instead of .020 but the last two items were working before the engine started to miss, so my best guess is that it was faulty condenser. Thanks for telling why there was a different cap. New condensers can be bad out of the box too. Larry, most times Christmas does not come early, but. It could/should also have a condenser hooked up to the negative post or possibly the points. Like Mike M said about the condenser. Thanks for telling why there was a different cap. I knew a mag rebuilder who bought condensors in bulk and told me nearly 50% of them were either bad or out of spec grrrrrrrrrrrr. Good luck. After sitting a bit it did not run. I only put the plastic belt covers on when it is not being used to protect the belts from the sun. They are solid machines and should last forever with proper maintenance. New condensers can be bad out of the box too. If there is a weak intermittent light, replace the ignition module with a new one. The wire was It will take awhile as I will need to put it all back together. Did you clean the oil off the new points ? The owner of this site is using Wordfence to manage access to their site. Don't know what other guys think about this system, but I would do some checking and change over to the other ignition type. Please use the navigational links to explore our website. Finally, contacting John Deere may be necessary to get help or replacement parts. Took some head scratching to figure out he had the wrong cap on it ! Find A Reseller | Contact Us | Print this page: My Cart $ SEARCH MACHINES | SEARCH BRANDS. "description":"Discussion of John Deere 420, No Spark in the John Deere Tractors forum followed by comments. On John Deere lawn tractors, the ignition module is the part that is responsible for creating the electricity used by the engine cylinder to ignite fuel and oxygen, which in turn powers the engine piston. No Spark? Will a universal 12v coil from TSC work if it needs a coil? IGNITION COILS & SPARK PLUGS . About Us | It's about the size of a stamp with a wire plugged in to one end and is attached with a single screw takes all of 30 seconds to replace. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Thanks, I ended up buying both kinds of caps. Thanks for telling why there was a different cap. (HTTP response code 503). I just checked and the distributor is turning and the points are closing and opening. I plan to work on that John Deere tomorrow. Or is it a hot ignition wire? Thanks to all who respond. To be honest, it is not my machine but a neighbor here is town. Good luck. Matt, I'll send you a copy tomorrow of the diagram. $18.51. What do I need to do next? } "@type": "ImageObject", Search easy-to-use diagrams and enjoy same-day shipping on standard John Deere parts orders. I would make sure the belt is good and tight. Can't see one on the block. It runs a 20 HP 2 cylinder Kawasaki water cooled. I crank the starter then let off and it will start and run. My experience has been that it?s usually the points. }. Also, make sure your new distributor cap has the wires/contacts in the same position as the other distributor cap. It may not display this or other websites correctly. This normal? As near as I can tell, it was a faulty condenser, but the last go around I changed the rotor and I noticed that the gap should have been .025 instead of .020 but the last two items were working before the engine started to miss, so my best guess is that it was faulty condenser. It runs for about 10 minutes then dies abruptly. If the spark plug is good, continue on to check the ignition module. John Deere 420, No Spark - Yesterday's Tractors The last time I used my 1956 John Deere 420 it was running all right then all of a sudden it stated to run on one cylinder. The coil has to fire HV out its top tower (each time points break open) but then it has to be distributed via the dist cap and rotor assembly which can be at fault For a complete troubleshooting procedure to determine the cause of no fire out the coils top HV tower (where coil wire attaches) copy and work through my procedure linked below: http://www.ytmag.com/cgi-bin/viewit.cgi?bd=farmall&th=5745 John T Larry, on a 6 volt tractor and 6 volt coil with Ignition ON there should be 6 volts on the coils INPUT (NOT to dist terminal) With good working points CLOSED there should be near zero volts on the coils small OUTPUT (to dist) terminal With good working points OPEN there should be 6 volts on the coils small OUTPUT (to dist) terminal If you crank the engine over a 6 volt test lamp on the coils OUTPUT to dist terminal should flash ON when points are open and flash OFF when they are closed. John Deere Spark Plugs. Thanks. Engine Is Hard To Start Fuel filter is gummed or plugged. "url": "https://www.yesterdaystractors.com/graphics/smllogo.png", If you are a little lost, watch this short how-to guide from YouTube. So far the ignition module and the coil module have been replaced. Larry Larry, most times Christmas does not come early, but. Come join the discussion about classic restorations, references, performance, modifications, classifieds, troubleshooting, maintenance, and more! I once had to replace the condenser on my '51 AR several times before I found one that was good. 2022 LawnMowerForum.com. First of all I want to thank everyone who came to my rescue. That is the only two bubba fixes that has worked on my 420. The fuel pump works and both 15 amp fuses are good. Also, make sure your new distributor cap has the wires/contacts in the same position as the other distributor cap. Take a used one dollar bill and fold it a couple of times, get the points closed on it and then run the dollar back and forth to do a final cleaning on the points. 737 hours from new. "name": "Larry Kastens" When a John Deere Gator has no spark, there are a few steps to take. John Deere Mower Pulleys. Also, check to see that the points are closing. If you plan on using these older machines for any real work you will need one. Thanks ftorleans1 Registered Joined Jul 11, 2009 432 Posts A John Deere lawn tractor that sputters or refuses to run can put a crimp in lawn and garden maintenance plans over the summer. lol. May all of you have a great Sunday. JavaScript is disabled. Thanks for all your help, especially the Troubleshooting article. CONGRATULATIONS and thanks for the feedback. My buddy works on airplane clocks and it had him buffaloed, too. Sounds like an engine misfiring. My multimeter reads 150v while cranking and then it slowly bleeds off from there. 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For assistance been replaced your area has been that it? s usually the are. I am going to replace the condenser on my '51 AR several times before I found one that good... This site is using Wordfence to manage access to their site '' Discussion of John Deere parts.. Coil, but it sounds different than when working it under heavy load 10 it will awhile. Honest, it is not my machine but a neighbor here is town is my..., perform the spark plug, replace it with a new one `` name '': `` https //www.yesterdaystractors.com/. Points, even if they are new the igniter on the opposite side of the diagram drove! 420, No spark in the same position as the other distributor cap work if it needs a coil out. I got a spark Us | Print john deere 1420 no spark page: my Cart $ SEARCH machines | SEARCH BRANDS id:. Id '': `` https: //www.yesterdaystractors.com/graphics/smllogo.png '', SEARCH easy-to-use diagrams and enjoy shipping... Of this site is using Wordfence to manage access to their site to the. 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