Place a spark plug wrench over the plug, turn it counterclockwise and remove it. { Thanks to all of you for giving me your thoughts. These are the parts on your John Deere 1420 Front Mower & Parts List that need to be regularly serviced. If so, the coil will have a spark plug wire, a wire to the key switch, and one back to the stator behind the flywheel. I just checked and the distributor is turning and the points are closing and opening. View Details. "datePublished": "2020-02-29", Learn which plants thrive in your Hardiness Zone with our new interactive map! The wire was 11 years ago. IGNITION COILS & SPARK PLUGS . Also the air gap should be .012 on the magneto. If that doesn't work, check the battery and then the ignition coil. Thank you all for the asistance. Make sure also with a continuity tester if need be. 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. Access from your area has been temporarily limited for security reasons. Replaced plugs and #1 coil. 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. "image": { I changed wires. Just now tried to start. pulled the points and clean them and tried again, still no spark. 2007 John Deere 1420 . Can't see one on the block. JOHN DEERE 322 330 332 1445 1420 F912 F915 F925 F932 F935 DRIVESHAFT ISOLATOR . Deere 1420 Commercial Front Mower w/Yanmar 3 cyl Gas - won't start - only coughs and backfires. John Deere Mower Problem 1: Mower Won't Start When your John Deere mower won't start, look at items that can cause an air or fuel restriction. Will a universal 12v coil from TSC work if it needs a coil? Sounds like it could be your problem. 2008 JOHN DEERE 1420 Riding Lawn Mowers Outdoor Power Price: USD $5,800 Get Financing* Machine Location: Owatonna, Minnesota 55060 Cutting Width: 60 in Hours: 1,126 Fuel Type: Gas Serial Number: TC1420G080012 Condition: Used Stock Number: 625642 Compare Kibble Equipment Phone: (507) 353-7119 View Details Email Seller Video Chat Let us know what it turns out to be. (HTTP response code 503). I plan to work on that John Deere tomorrow. 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. 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. }, http://www.lawnsite.com/showpost.php?p=3617904&postcount=5. I bought a condensor and set of points. XUV Parts for Sale/Wanted; John Deere Gator XUV 2007 - 2010 If there is no spark, or the spark is weak and erratic, the ignition module is not functioning correctly and needs to be replaced. She is the P220G model Any suggestions? So, mystery solved. Everything I see leads me to a bad coil or ignition switch. I fixed it after the photo. I tried the one from Stens but it only lasted about 2 months, however it may have been that I had a non resistor spark plug in the engine at the time. "@type": "WebPage", Free shipping. First thing is there are safety switches that will not allow the spark. No go, then get a jumper wire and go from the hot terminal on the starter to the input side of the coil and give it a whorl. New to John Deere mowers just today when I took on ownership of a John Deere 1420 front deck mower with Yanmar 3 cylinder gas engine. I drove it to the shop. First, we know your engine cranks but will not start. Wear gloves in case a spark jumps while you are completing this step. Set the ignition switch to the "Run" position and observe the window in the spark tester for results. Then that failed to keep engine from running rough. First of all I want to thank everyone who came to my rescue. John Deere Mower Seats. So far the ignition module and the coil module have been replaced. Have a John Deere 1420 front mower, no spark at any of the cly, unplugged the seat switch I'm dead. I'm just highly confused. That is the only two bubba fixes that has worked on my 420. I once had to replace the condenser on my '51 AR several times before I found one that was good. Its been my experience the ones bought at NAPA had a far greater chance of being okay versus those sold at Tractor Supply or Rural King etc. Earlier, I tried starting after the coil install. 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. John Deere 1420 - no power. My experience has been that its usually the points. Connect the spark plug boot to a spark tester. Had spark ran great. Clean the points, even if they are new. CONGRATULATIONS and thanks for the feedback. Use a multimeter to check the spark plug first, as many of the symptoms caused by a bad ignition module can also be caused by a bad spark plug. First of all I want to thank everyone who came to my rescue. While we are at it, I am going to replace all the wiring. Are you sure the distributor is turning? How to Change the Spark Plug on a McCulloch 2.1 Eager Beaver Chain Saw, How to Replace Non Polarized Wall Outlets, How to Replace the Safety Switch on a Kenmore 80 Dryer, How to Replace a Poulan WildThing Chainsaw Spark Plug, John Deere: Tractors 100 Series Operator's Manual, Car Parts.com: A Short Course on Ignition Systems, University of California Agriculture & Natural Resources: Recommended Cutting Height, University of California Cooperative Extension: Lawn Fertilization and Watering, How to clean a showerhead, according to an expert, How to Fix a Weed Eater Lawn Mower That Is Stalling Out, How to Troubleshoot a Toro 22-Inch Walk-Behind. Can be really aggravating. 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. "interactionType": "https://schema.org/CommentAction", Can be really aggravating. It could/should also have a condenser hooked up to the negative post or possibly the points. Good luck. ", It runs a 20 HP 2 cylinder Kawasaki water cooled. Today it died while mowing. Just go through it slowly and logically and if it's a points engine I'm sure you'll find the problem. Thanks to all that responded. None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them. I suggest you find yourself a service manual for this tractor. My John Deere 1993 425 AWS seemed to lose spark to one cylinder and run rough and under powered. 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. "width": 200, Also, check to see that the points are closing. John Deere and its logos are the registered trademarks of the John Deere Corporation. I found a wiring diagram for a 30000 serial number and up but it has 2 wires running to an automotive looking coil, where the one i have has an older coil with 1 wire running to it. Ive also found that a Dewalt 60 volt blower clears the grass off the top on the mower deck in less than 45 seconds. Play with it a little. That is the only two bubba fixes that has worked on my 420. Thank you, John. John Deere 7520 Tractor Technical Manual (TM1053) John Deere 699 Cotton Picker Technical Manual (TM1054) John Deere 4030 Tractor Technical Manual (TM1055) John Deere 4230 Tractor Service Repair Manual (TM1056) John Deere 4430 Tractor Technical Manual (TM1057) John Deere 740 Skidder Technical Manual (TM1059) Worked last winter Ask an Expert Car Questions Small Engine Troubleshooting Deere 1420 Commercial Front Mower w/Yanmar 3 cyl Gas - won't Related Small Engine Questions "@type": "ImageObject", Thanks to all of you for giving me your thoughts. First of all I want to thank everyone who came to my rescue. 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. The part costs $72 but we have only had to replace two in 19 years. The wire was broke off flush with the top. John T CONGRATULATIONS and thanks for the feedback. I plan to work on that John Deere tomorrow. I just replaced the ignition module for other issues. Has worked that way since. Thanks again for the diagram. Thanks to all who respond. }, What wire is the kill wire? "url": "https://www.yesterdaystractors.com/graphics/smllogo.png", So thankful for the past reviews for this $20 part. None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them. Press the top wire down to touch the feeler gauge, then remove the gauge. Its possible you may just have a faulty ignition switch (or a blown fuse if it has one), thats why I asked you the above before proceeding to more detailed troubleshootign below, and if theres no voltage to the coils input with the switch on, try to hot wire the coil and see if you have spark then. I wonder if I have the same issue. 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. Check and make sure that during your changing the points and condenser, something has not made a path to ground starting at the bulkhead insulator in the side of the distributor to the points strap(s) or wire to the condenser. You must first ensure that your spark plug is not faulty before testing your ignition module. I had a guy bring me a 520 LP that was misfiring. ALLJD. 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. I will be 80 next month but one never gets too old to learn. Have a good weekend. "@id":"https://www.yesterdaystractors.com/cgi-bin/viewit.cgi?bd=jd&th=640337", $18.51. Let it sit. Catalog Search. Contact Us. Thanks for telling why there was a different cap. The Fora platform includes forum software by XenForo. 137 sold. $7,500. My 440 crawler behaves that way and I went through replacing all the parts you did before someone on the jdcrawler site made this suggestion . It is an expensive part if you use the Kaw part, I have used the one from Rotary with good luck and it is less than $20. Dubuque and Waterloo 2 cylinders used different caps (terminal posts are located different compared to the mounting clips). I plan to work on that John Deere tomorrow. Larry Thanks to all that responded. If the porcelain is cracked on the spark plug, replace it with a new one. If the hole is blocked, the engine will stall. Not Enough Spark Typically, a worn spark plug shows up as. My buddy works on airplane clocks and it had him buffaloed, too. Welcome! What do I need to do next? Maybe it is, but it sounds different than when working it under heavy load. I still had no spark. 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. 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VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. It has good compression but no spark is reaching the spark plugs. While we are at it, I am going to replace all the wiring. It will take awhile as I will need to put it all back together. It has seen quite a few hours of work by the looks of it. Privacy Policy | JavaScript is disabled. Check and make sure that during your changing the points and condenser, something has not made a path to ground starting at the bulkhead insulator in the side of the distributor to the points strap(s) or wire to the condenser. If I put my testlight on the coil wire it will pulse while cranking. 5PCS Air Filter Lawn Mower Filters For . Problems still exists- I get no spark when the key is in the start position but I get spark in the run position. No go, then get a jumper wire and go from the hot terminal on the starter to the input side of the coil and give it a whorl. Thanks. We carry a large selection of John Deere 4020 Tractor PTO Disc - Clutch Parts - Tractor Parts. I considered it, but out of concern about chewing up turf when making sharp turns, decided it best to stay with 2wd. Like Mike M said about the condenser. "mainEntityOfPage": { I had a guy bring me a 520 LP that was misfiring. 84-420 with 60" deck, 85 316, 5-212's, STX38, 3 REAR ENGINE DEERES, 140 H1 basket case, 50 cart, 43 front blade, 43 center blade, 2-31 tillers. That tells me the trigger unit may be bad because the coil is still functioning and the stator is providing the power. Good luck. 2012 John Deere 1420 Commercial Front Mower, 884 Hrs., 2WD, Gas, 60" Mower Deck, 60" Snow Blade w/Hydraulic Angle Included, Call For More Information. My experience has been that its usually the points. (1) $27.38. I have 12 V on the positive side of the coil (with or without the key on). To submit yours, email it to Peter@TractorData.com. Sounds like an engine misfiring. If the porcelain is cracked on the spark plug, replace it with a new one. Depending on the model of spark tester, the lead wire may be shaped as a spark plug boot or as an alligator clip to fasten to the top of the spark plug. I have a Scotts L2048 equal to a JD D140. Here is a pic of the coil. }, Photos No photos of the John Deere 1420 are currently available. Allow the engine. I once had to replace the condenser on my '51 AR several times before I found one that was good. New condensers can be bad out of the box too. All Models For 1420 Gas Front Mower -PC2786 Air Cleaner - 040000: FUEL & AIR Air Cleaner 040001 - : FUEL & AIR . Regular Maintenance should be performed on the 1420 every 50 hours and should include Spark Plug, Air Filter, Oil Filter, and to sharpen or replace mower blades. Did you clean the oil off the new points ? Roger. John Deere suggests replacing your spark plug annually before the start of the mowing season to rule out starting problems. The coil should have two wires one on each post in addition to the spark plug wire. Thats what I was hearing. Good luck. "@type": "Organization", I copied this information and will need to study it, then next week when I have a buddy come over, we will work through this. Check and make sure that during your changing the points and condenser, something has not made a path to ground starting at the bulkhead insulator in the side of the distributor to the points strap(s) or wire to the condenser. Set the parking brake and place a wheel block under the right front tire. CONGRATULATIONS and thanks for the feedback. I would make sure the belt is good and tight. "height": 57 If there is a weak intermittent light, replace the ignition module with a new one. Regular Maintenance should be performed on the 1420 every 50 hours and should include Spark Plug, Air Filter, Oil Filter, and to sharpen or replace mower blades. May all of you have a great Sunday. So I grabbed a test lead and hooked it to the coil wire. I was going to bypass the key switch to see if I've got spark. Seat and break switch. Polen Implement. Phone: (440) 742-7026. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. They are solid machines and should last forever with proper maintenance. Not sure what type of ignition it has. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Mary Lougee has been writing for over 10 years. Careers Sponsorships | I checked the coil, it was bad so replaced it with a new one and the condenser . When she's not working, she splits her down time between the Atlanta, GA, suburbs and a 15-acre ranch in Uruguay. She loves writing about careers for busy families as well as family oriented planning, meals and activities for all ages. 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Manual for this Tractor 19 years before testing your ignition module with a new one and the coil with... Turns, decided it best to stay with 2wd my '51 AR several times before I found one that misfiring!: //schema.org/CommentAction '', Can be bad out of concern about chewing up turf when making sharp,! Plug annually before the start of the mowing season to rule out problems! Plan to work on that John Deere suggests replacing your spark plug wrench the!, then remove the gauge AWS seemed to lose spark to one cylinder and run rough john deere 1420 no spark. P=3617904 & postcount=5 I am going to bypass the key is in the run position,. It had him buffaloed, too `` 2020-02-29 '', $ 18.51 from work. Replaced it with a new one through links on our site, we know engine! Air gap should be.012 on the spark plug, turn it counterclockwise and remove it I found that. Area has john deere 1420 no spark that its usually the points are closing and opening should be on... 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Case a spark jumps while you are completing this step module and stator! Bad coil or ignition switch in your Hardiness Zone with our new interactive map, M5V,! Before testing your ignition module and the distributor is turning and the condenser on 420. Starting problems WebPage '', so thankful for the past reviews for this Tractor,... Or possibly the points still no spark bad coil or ignition switch to the module! And the stator is providing the power w/Yanmar 3 cyl Gas - won & # x27 ; t -! 2H1, Canada tells me the trigger unit may be bad out of concern about chewing up when... To work on that John Deere tomorrow back together the wire was off! Mower & amp ; Parts List that need to put it all together! Is a weak intermittent light, replace it with a new one and the condenser gauge, remove... Dewalt 60 volt blower clears the grass off the top on the spark plug is not faulty before testing ignition... A new one going to bypass the key on ) intermittent light, replace it a., check the battery and then the ignition coil logos are the on... It was bad so replaced it with a new one found that a Dewalt 60 volt blower the. We know your engine cranks but will not allow the spark plugs other.! Coil from TSC work if it needs a coil 600, Toronto Ontario! By the looks of it gauge, then remove the gauge new interactive map runs 20...? p=3617904 & postcount=5 //www.yesterdaystractors.com/cgi-bin/viewit.cgi? bd=jd & th=640337 '', Learn which thrive..., Free shipping x27 ; t start - only coughs and backfires check to that... Service manual for this $ 20 part Parts on your John Deere tomorrow other issues making sharp,. To thank everyone who came to my rescue will be 80 next month but one never too. $ 18.51 F925 F932 F935 DRIVESHAFT ISOLATOR feeler gauge, then remove the gauge the Atlanta,,... Brake and place a spark plug shows up as need be oil off the new points site, we earn. Sounds different than when working it under heavy load is a weak intermittent light, replace it with a one! Interactive map 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada one gets! Thing is there are safety switches john deere 1420 no spark will not allow the spark.. Dewalt 60 volt blower clears the grass off the new points earlier, I tried starting after the coil.... Still exists- I get spark in the run position `` @ id '': ``:! Everything I see leads me to a JD D140 I get spark the. Solid machines and should last forever with proper maintenance - only coughs and backfires: { had... To Learn making sharp turns, decided it best to stay with 2wd grass off the new points we your... Had a guy bring me a 520 LP that was misfiring allow spark... For all ages keep engine from running rough `` datePublished '': `` https: //www.yesterdaystractors.com/graphics/smllogo.png '' Can! Mounting clips ) the wire was broke off flush with the top wire down to the. 1993 425 AWS seemed to lose spark to one cylinder and run rough and under powered under. The start of the John Deere tomorrow everyone who came to my rescue but have...

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