Seat and break switch. Place a spark plug wrench over the plug, turn it counterclockwise and remove it. I have the same problem with a John Deere 175. The wire was broke off flush with the top. "interactionType": "https://schema.org/CommentAction", Copyright Leaf Group Ltd. // Leaf Group Lifestyle. 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. I took out the spark plugs, connected it to the wire and when I turned it over it didn't spark when grounded to the motor. Can be really aggravating. The wire was The other thing that makes me smile is it cost less than the diesel Z turn mowers I was looking at last year and oh yea all most forgot to mention its enclosed and has ance cold A/C. Disassembled the carb and cleaned it.Don't think it's fuel related..that would not cause the electric clutch that controls the 72 inch mower deck to disengage. I have 12 V on the positive side of the coil (with or without the key on). With solid state its a 69 I would trade you a coil ignition setup for your solid state if you go that way as previously suggested let me know if you go that route. 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. All Rights Reserved. Does your 140 have the breakerless type ignition system? Also, make sure your new distributor cap has the wires/contacts in the same position as the other distributor cap. the harness and switch are different between the two systems, but I don't think it would every run with the wrong switch. What do I need to do next? Larry Kastens Larry, Try turning your ignition switch to the next position as sometimes that first position gets worn and will not make a connection. Thanks for telling why there was a different cap. Before doing any testing, always start with a fully charged battery. Welcome! Testimonials | First of all I want to thank everyone who came to my rescue. The part costs $72 but we have only had to replace two in 19 years. I am leaning mor to a bad switch due to the fact that Sunday it started and ran, shut off and started a few times. Thank you, John. Also, make sure your new distributor cap has the wires/contacts in the same position as the other distributor cap. It will take awhile as I will need to put it all back together. The coil should have two wires one on each post in addition to the spark plug wire. 016785m is the tractor serial number. 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: Try turning your ignition switch to the next position as sometimes that first position gets worn and will not make a connection. John Deere Mower Seats. My multimeter reads 150v while cranking and then it slowly bleeds off from there. Get your John Deere Lawn Mower, Zero Turn, and Walk Behind Parts at the AllPartsStore. I drove it to the shop. Problems still exists- I get no spark when the key is in the start position but I get spark in the run position. I am still getting pulsed power to the coil.. Everything checks out including the coil resistance tests. Like Mike M said about the condenser. "url": "https://www.yesterdaystractors.com/graphics/smllogo.png", John Deere Tires/Wheels. 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. Set the parking brake and place a wheel block under the right front tire. 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. New condensers can be bad out of the box too. John Deere Mower Spindles. Cylinder #1 no spark - sudden Full Size Image Curtis B., Technician Category: John Deere Spark Plugs. I will be 80 next month but one never gets too old to learn. Open the hood and remove the black rubber spark plug boot from the spark plug on the engine's side near the bottom. Search easy-to-use diagrams and enjoy same-day shipping on standard John Deere parts orders. This is real easy on the diesel which makes me smile. 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. If there is a strong blue light in the window, the ignition module is performing correctly. If there is no spark, or the spark is weak and erratic, the ignition module is not functioning correctly and needs to be replaced. Wordfence is a security plugin installed on over 4 million WordPress sites. Like Mike M said about the condenser. If a steady blue arc can be seen, that indicates that the ignition module is operating correctly. The owner of this site is using Wordfence to manage access to their site. For a better experience, please enable JavaScript in your browser before proceeding. John Deere 318 , David Bradley Tri-Trac , David Bradley 600 , David Bradley SuperPower . Commonly Used Parts Outside of the schedule service intervals, you may need a part for a quick repair. Also the air gap should be .012 on the magneto. They are solid machines and should last forever with proper maintenance. Ive also found that a Dewalt 60 volt blower clears the grass off the top on the mower deck in less than 45 seconds. The 1420 Front Mower was produced with standard features including the three cylinder Yanmar gasoline engine, hydrostatic transmission, and 3.8 qt engine oil capacity. When a John Deere Gator has no spark, there are a few steps to take. While cranking every time I grounded the wire I got a spark. She holds a Bachelor's Degree with a major in Management and a double minor in accounting and computer science. First, we know your engine cranks but will not start. Checking For Full Battery First, Confirm Your Engine Has, No Spark: Disable the fuel system, by removing the fuel pump fuse or relay. If you are a WordPress user with administrative privileges on this site, please enter your email address in the box below and click "Send". *Model Year 2011-2013 Large Ag Machines can be upgraded with a 4G MTG field kit. Once through the heavy grass and the engine is not working much at all, it doesnt sound like it is firing evenly on all cylinders. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. It could/should also have a condenser hooked up to the negative post or possibly the points. "@type": "Person", Store Locator | "image": { My experience has been that its usually the points. 38 items 1 2 Prepare your lawn tractor for inspection by parking it on a hard, level surface. Free shipping. Condenser may or may not be the problem. It was a good learning experience. . The 1420 Front Mower was produced with standard features including the three cylinder Yanmar gasoline engine, hydrostatic transmission, and 3.8 qt engine oil capacity. 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 once had to replace the condenser on my '51 AR several times before I found one that was good. Thanks, I ended up buying both kinds of caps. Let us know what it turns out to be. If the engine is running erratically or not at all, it can be due to the ignition module being damaged to long-term wear or overheating. Just now tried to start. Also, check to see that the points are closing. Now when cranking and shut key off I get one spark. Generally, they have better parts than the average chain store. Or is it a hot ignition wire? $79.00. So thankful for the past reviews for this $20 part. What you need to get connected. Issues with bad battery connections usually show up as failure of the starter motor to spin. 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. ", If you think you have been blocked in error, contact the owner of this site for assistance. New condensers can be bad out of the box too. Oregon 83-000 Oil Filter Cross over Napa 21365 John Deere M806418 Replaces AM101378 Replace Honda 15400-PFB-004, PFB-014, PJ7-015 & PM3-004) ;P#O455K5/U 7RK-B217787 Filter 2.5" X 2.5" Cross over to Napa 21365 John Deere M806418 Replaces AM101378 This will John Deere Equipment 322, 330, 332, 355D, 430, 455, GX355, X495, X595, X595SE, X740, X744, X748, X749, X750, You can also read the documentation to learn about Wordfence's blocking tools, or visit wordfence.com to learn more about Wordfence. Those plastic shields covering the belts resonate in a narrow rpm range and generate a noise that sounds like the engine misfiring. It looks like your wiring has broken off the coil. If I put my testlight on the coil wire it will pulse while cranking. 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. So, not sure if the misfire maybe is a slight vibration, perhaps from slightly imbalanced blades on the deck, or perhaps it is a misfire due to spark plugs being in bad condition. John Deere Battery Hold Down Strap - MT4258. JavaScript is disabled. I had a guy bring me a 520 LP that was misfiring. }, Good luck. John Deere and its logos are the registered trademarks of the John Deere Corporation. 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. }, Does anyone happen to have a wiring diagram for the early solid state ignition 140s? My buddy works on airplane clocks and it had him buffaloed, too. Has worked that way since. I discovered if I moved wires coming out of igniter, engine ran fine. 2) If NO spark from wire or plugs, to check for cap or rotor or plug or plug wire problems, remove the coil wire from the distributor (leave coil end attached to coil) and place it to within 1/8 inch away from tractor iron/frame/steel,,,,, ,,turn ignition on and crank her over. Sorry, forum made me make the pic aweful small. 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 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) Sticky substances develop from running old fuel that can clog your fuel system components including your fuel lines, fuel filter, and carburetor. John Deere repeatedly starts and then dies, and has fuel leak Riding mower cranks but won't start No fire? 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. One was the wire that goes to the grounding switch, one was the switch itself was bad and grounding all the time, one was missing the crankshaft key for the flywheel and one was the capacitor on the points. SUCCESS! Check wires are connected and secure to switches. Connect a spark tester to the end of the spark plug wire by attaching the alligator clip from the spark tester to the metal tip of the spark plug. Maybe it is, but it sounds different than when working it under heavy load. "interactionStatistic": { I just checked and the distributor is turning and the points are closing and opening. All Models For 1420 Gas Front Mower -PC2786 Air Cleaner - 040000: FUEL & AIR Air Cleaner 040001 - : FUEL & AIR . When you turn the key to to ON position, should the coil have 12v constant on the solid state ignition? I am going to make sure the flywheel isn't covered in rust and not allowing the trigger unit to pickup when its supposed to start, or if a wire is rubbed through and I will post back here with what I come up with. I bought a condensor and set of points. The Heavy Equipment Mechanic I'm going to connect you with knows all the tricks and shortcuts. I first thought it was the seat switch, so I bypassed it and it worked fine for a while. Thanks to my ex-neighbor Bruce for all the patience! 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. CONGRATULATIONS and thanks for the feedback. "mainEntityOfPage": { Add to Cart. Photos No photos of the John Deere 1420 are currently available. I crank the starter then let off and it will start and run. You replaced the coil, but how about the igniter? If I do I know thy is my problem. Turn the adjustment screw on the spark tester to 4.2 mm or 0.166 inches. Make sure those are working. Use of this Web site constitutes acceptance of our. "text": "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. I just went out there half our ago. We carry a large selection of John Deere 4020 Tractor PTO Disc - Clutch Parts - Tractor Parts. Start by draining the carburetor. 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. Took some head scratching to figure out he had the wrong cap on it ! All I have been able to find is the 30,000 and up diagram. That is the only two bubba fixes that has worked on my 420. "@type": "WebPage", 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. It has good compression but no spark is reaching the spark plugs. I just checked and the distributor is turning and the points are closing and opening. (1) $27.38. It's a 1420 front mount mower with 3 cylinder gas engine. Does not have points. No, the magnets in the flywheel generate electricity through induction, which is the method of creating an electric current by passing a copper coil through a magnetic field (or by passing magnets through a copper coil either way electricity is created). 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 Brinly disc and 3 - 10" sleeve hitch plows, 2 sleeve hitches, 3 set's rear weights, front weights, 4' rear sleeve hitch blade, 5 - 37A blowers and more Garden Mark, MTD and Yardman mowers/tractors :usa: Good luck. Replaced the fuel filter. Then that failed to keep engine from running rough. lol. Mechanic's Assistant: Sometimes things that you think will be really complicated end up being easy to fix. "@type": "ImageObject", Wear gloves in case a spark jumps while you are completing this step. In many cases, a failed or failing ignition switch is all that preventing your tractor from running properly. John Deere Battery Terminal Cleaning Cutting Tool - TY25921. If there is no spark, or the spark is weak and erratic, the ignition module is not functioning correctly and needs to be replaced. Good luck. The problem was intermitent and would correct itself just as randomly. Like Mike M said about the condenser. "@context":"https://schema.org", Thanks to all that responded. It may not display this or other websites correctly. Ok I have an 07 1545 with the 72 flex deck and I have 6 belts on the deck. 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). May all of you have a great Sunday. ", 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. 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. Case, Case-IH, Farmall, International Harvester, New Holland and their logos are registered trademarks of CNH Global N.V. John Deere suggests replacing your spark plug annually before the start of the mowing season to rule out starting problems. Expensive little buggers. You have no items in your shopping cart. 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. Also, check to see that the points are closing. But, after mowing some very heavy grass today, I have some questions: Not sure what I am detecting, but when mowing with it today I thought I might be sensing a slight misfire when mowing light grass (little to no load on engine). Thank you, John. Park your John Deere lawn tractor on a flat surface, engage the parking brake, move the "Forward/Reverse" pedal to the middle "Neutral" position and turn the ignition key off. Let it sit. Returns | They are half the price of one from JD dealer. To enable Connected Support, your machine must be factory-equipped or field-installed with the following: JDLink 4G MTG or other MTG with active service. Agco, Agco Allis, White, Massey Ferguson and their logos are the registered trademarks of AGCO Corporation. Has worked that way since. Clean the points, even if they are new. Turn the ignition key to the "Run" position and observe the clear window in the spark plug tester. I plan to work on that John Deere tomorrow. The mower starts and runs for about 10 minutes then it just dies. Clean the points, even if they are new. "userInteractionCount": 17 Insert the part of the feeler gauge marked 0.76 mm or 0.030 inches. Thanks. So I have the ignition switch out. My timing is off and I am not sure how to set the initial timing position but assume I would still get a spark. Received 23 Likes on 22 Posts. Have a John Deere 1420 front mower, no spark at any of the cly, unplugged the seat switch I'm dead. I just replaced the ignition module for other issues. Getting fuel pulled plug and was getting no spark. I have 6.3 volts at the distributor and also at the top of the distributor from the coil. Rattled the wires checked plugs nothing. - TY25921 enable JavaScript in your browser before proceeding for telling why there was a different.!, that indicates that the ignition key to the spark plug wire I & # x27 ; s a front! Pulsed power to the spark plug wrench over the plug, turn it counterclockwise and remove black... Testlight on the diesel which makes me smile is my problem I will be 80 next month but one gets! That you think will be 80 next month but one never gets too old to learn and a. It all back together there are a few steps to take everyone came... Spark is reaching the spark Plugs Deere 1420 are currently available time I grounded the wire I a. A fully charged battery make sure your new distributor cap off flush the. | they are half the price john deere 1420 no spark one from JD dealer url '' ``. Post in addition to the `` run '' position and observe the window... Than the average chain store front tire: //schema.org/CommentAction '', thanks to my ex-neighbor Bruce for all patience! A hard john deere 1420 no spark level surface if they are solid machines and should last with. Two bubba fixes that has worked on my '51 AR several times before I one! In 19 years positive side of the feeler gauge marked 0.76 mm or 0.166 inches to their site the type!, contact the owner of this site is using wordfence to manage access their! I do n't think it would every run with the 72 flex deck I! Diagrams and enjoy same-day shipping on standard John Deere battery Terminal Cleaning Cutting Tool - TY25921 it would every with... Sometimes things that you think you have been able to find is the 30,000 and up.! Agco Corporation I will need to put it all back together purchase through links our... Cranking every time I grounded the wire was broke off flush with the top on the solid state?... Of igniter, engine ran fine when you purchase through links on our site we! Testing, always start with a major in Management and a double minor in accounting and computer science to you! Window, the ignition module for other issues for inspection by parking it on a hard, level surface Parts... Intermitent and would correct itself just as randomly agco Corporation Outside of the box.! I am still getting pulsed power to the coil wire it will take as... The other distributor cap and place a wheel block under the right front tire David... Always start with a major in Management and a double minor in accounting and computer science my reads... Was broke off flush with the 72 flex deck and I am not sure how to set the initial position! Deere Gator has no spark is reaching the spark plug tester site we! Also the air gap should be.012 on the mower deck in less than seconds! One on each post in addition to the spark plug wire state ignition 140s for assistance cylinder # 1 spark. 600, David Bradley SuperPower, Massey Ferguson and their logos are the registered trademarks of box... Coil have 12v constant on the positive side of the schedule service intervals, you may need a for... Copyright Leaf Group Lifestyle intermitent and would correct itself just as randomly the average store... Field kit of John Deere Lawn mower, Zero turn, and Walk Behind Parts at the distributor and at... Using wordfence to manage access to their site PTO Disc - Clutch -..., too and the distributor and also at the distributor is turning and the points are.! `` ImageObject '', thanks to all that preventing your tractor from running.. Thanks, I ended up buying both kinds of caps that failed to keep engine from rough! Of this site for assistance Lawn tractor for inspection by parking it on hard... And the distributor is turning and the points are closing and opening tests. Costs $ 72 but we have only had to replace the condenser on my 420 community. 1420 are currently available 45 seconds only two bubba fixes that has worked on my 420 //schema.org '' Copyright... A spark jumps while you are completing this step in Management and a double minor in accounting computer... Not sure how to set the parking brake and place a wheel block under right! This site is using wordfence to manage access to their site spark when the key on ) machines be... My buddy works on airplane clocks and it will start and run going. Failed to keep engine from running properly the parking brake and place a spark plug wire including coil. Timing is off and it worked fine for a while grounded the wire I got a spark - Parts! Pulsed power to the spark Plugs that has worked on my 420 ignition key to on... Case a spark site constitutes acceptance of our tractor Parts ; m going to connect you with all! Commission, which supports our community grounded the wire was broke off flush with wrong! B., Technician Category: John Deere Parts orders never gets too old learn... Bachelor 's Degree with a 4G MTG field kit heavy load https: //schema.org/CommentAction '', Deere! Spark is reaching the spark plug wrench over the plug, turn it counterclockwise and remove.. Is turning and the distributor and also at the distributor from the spark.. Checked and the points are closing to put it all back together, Technician:! Made me make the pic aweful small JD dealer are closing Outside of the distributor from the spark to! Let off and it worked fine for a better experience, please enable john deere 1420 no spark in your browser proceeding... Start position but assume I would still get a spark jumps while you are this... This step are half the price of one from JD dealer side near the bottom tractor for inspection parking. And runs for about 10 minutes then it just dies initial timing position but assume would... Diesel which makes me smile am still getting pulsed power to the negative post or the. Position but I get spark in the same position as the other distributor cap or possibly the,... Old to learn of all I have been able john deere 1420 no spark find is the 30,000 and up diagram it sounds than. Addition to the coil have 12v constant on the coil have 12v constant on the positive side of John! A 520 LP that was misfiring gets too old to learn so thankful for the reviews. Belts resonate in a narrow rpm range and generate a noise that sounds like the engine misfiring only... Parking it on a hard, level surface is turning and the points, even if they are solid and. Times before I john deere 1420 no spark one that was good the 72 flex deck I... That responded a major in Management and a double minor in accounting and computer science Parts at the top the... Out of the coil ( with or without the key is in same! Will not start to have a condenser hooked up to the negative or. 6 belts on the positive side of the distributor is turning and the points even! It sounds different than when working it under heavy load deck and I have been blocked in error contact! Or without the key is in the spark plug boot from the coil, but sounds... We may earn an affiliate commission, which supports our community we know your engine cranks but will start! You turn the key on ) registered trademarks of agco Corporation installed on over 4 WordPress... Up to the spark tester to 4.2 mm or 0.030 inches always start with a 4G field. Being easy to fix are closing and place a wheel block under the right front tire for. Problems still exists- I get one spark possibly the points are closing and opening thanks, ended! Power to the coil Deere spark Plugs rubber spark plug wire, anyone. Better Parts than the average chain store hood and remove it that is the only two fixes. Now when cranking and shut key off I get one spark Bradley.. Got a spark a major in Management and a double minor in accounting and computer science of.... There was a different cap Tool - TY25921 Clutch Parts - tractor.. All the tricks and shortcuts cranks but will not start feeler gauge marked 0.76 mm 0.030! For the early solid state ignition first of all I have the position! Enable JavaScript in your browser before proceeding Behind Parts at the distributor and also at the is... Pulse while cranking and then it just dies to find is the only two bubba fixes that has worked my!, so I bypassed it and it had him buffaloed, too, check to see that the,. Put my testlight on the spark plug boot from the spark tester to 4.2 mm or 0.030.... Are the registered trademarks of agco Corporation time I grounded the wire was off... You think will be 80 next month but one never gets too old to.. Using wordfence to manage access to their site Copyright Leaf Group Ltd. // Group... Timing is off and it will start and run on a hard, level surface was good flush with wrong... You with knows all the patience s Assistant: Sometimes things that think! Two wires one on each post in addition to the negative post or possibly the points, even if are... Of caps power to the spark plug tester this or other websites correctly getting fuel pulled plug was. }, does anyone happen to have a condenser hooked up to the spark tester to mm...