I suggest you find yourself a service manual for this tractor. 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. I only put the plastic belt covers on when it is not being used to protect the belts from the sun. 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. Let itnsit 10 minutes and now no spark again. What sounded like a misfire was not what is going on. Search easy-to-use diagrams and enjoy same-day shipping on standard John Deere parts orders. 2013-??? I hadn't put the blower cover on and had still no spark. Mechanic's Assistant: Sometimes things that you think will be really complicated end up being easy to fix. SUCCESS! Dealer Info Quality Implement Co. FREDERICK, OK 1169.0 miles away 580-335-5541. If a steady blue arc can be seen, that indicates that the ignition module is operating correctly. Thanks, I ended up buying both kinds of caps. 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. 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, 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. 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. No improvement. Use of this Web site constitutes acceptance of our. Then proceed toward taking apart the filter, fuel line, and spark plug. XUV Tech John Deere Gator XUV 2011 - ??? 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. What wire is the kill wire? Your access to this service has been limited. My buddy works on airplane clocks and it had him buffaloed, too. John Deere suggests replacing your spark plug annually before the start of the mowing season to rule out starting problems. Allow the engine. Has worked that way since. probably the igniter on the side of the block. New condensers can be bad out of the box too. I have an 07 1545 with the 72 flex deck and I have 6 belts on the deck. "height": 57 First thing is there are safety switches that will not allow the spark. Add to Cart. Are you sure the distributor is turning? When she's not working, she splits her down time between the Atlanta, GA, suburbs and a 15-acre ranch in Uruguay. It looks like your wiring has broken off the coil. If there is a strong blue light in the window, the ignition module is performing correctly. Always tradeoffs to make. John Deere Mower Seats. No Spark? What you need to get connected. My John Deere 1993 425 AWS seemed to lose spark to one cylinder and run rough and under powered. Start by draining the carburetor. John Deere Battery Terminal Cleaning Cutting Tool - TY25921. May all of you have a great Sunday. I have no spark. Let us know what it turns out to be. 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. Good luck. I have 12 V on the positive side of the coil (with or without the key on). I am still getting pulsed power to the coil.. Everything checks out including the coil resistance tests. Check wires are connected and secure to switches. Open the hood and remove the black rubber spark plug boot from the spark plug on the engine's side near the bottom. John Deere Spark Plugs. Had spark ran great. At high idle, no load it runs perfectly. Free shipping. Set the gap to 4.2mm on top of the spark tester by using the adjustment knob. I had a guy bring me a 520 LP that was misfiring. Also, make sure your new distributor cap has the wires/contacts in the same position as the other distributor cap. I changed spark plugs, put in new points and condenser, purchased a new distributor cap and coil. Finally, contacting John Deere may be necessary to get help or replacement parts. My buddy works on airplane clocks and it had him buffaloed, too. It will take awhile as I will need to put it all back together. Usually the break is the issue. Modern View Forum powered by phpBB 2001, 2005 phpBB Group. had 12+ volts at the coil. *Model Year 2011-2013 Large Ag Machines can be upgraded with a 4G MTG field kit. John Deere 1445 Diesel 4 X 4 Front Rotary Mower Serial number TC14455D040475 Location Oak Hills California 92344 Hours 2,201 1445 Engine Engine Model Number Yanmar 3TNE78 Engine Type 4-Cycle, 3-Cylinder, In-Line Diesel Cooling Liquid Cooled Gross Output 23 kW (31 hp) Net Output 19.9 kW (26.7 hp) Injection Type Direct Air Cleaner Dry, Replaceable Problems still exists- I get no spark when the key is in the start position but I get spark in the run position. I almost want to say it is the kill switch that could possibly be bad. You replaced the coil, but how about the igniter? The shields resonate like a drum skin. "author": { Place a spark plug wrench over the plug, turn it counterclockwise and remove it. None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them. Make sure also with a continuity tester if need be. While cranking every time I grounded the wire I got a spark. The mower starts and runs for about 10 minutes then it just dies. Just curious that you sold after one season, maybe due to problems? Received 23 Likes on 22 Posts. I've pulled and visually checked for spark. I have 6.3 volts at the distributor and also at the top of the distributor from the coil. Also the air gap should be .012 on the magneto. Did you clean the oil off the new points ? (1) $6.71. Welcome! RSX 850i, 860i & 860M John Deere Gator General Discussion. SUCCESS! Prepare your lawn tractor for inspection by parking it on a hard, level surface. Ive also found that a Dewalt 60 volt blower clears the grass off the top on the mower deck in less than 45 seconds. I had a guy bring me a 520 LP that was misfiring. "width": 200, 016785m is the tractor serial number. Is there anything else if these items don't fix it. To be honest, it is not my machine but a neighbor here is town. 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 :usa: K KB Premium Member Joined Nov 12, 2012 7,564 Posts }. Testing the ignition switch operation everything appears to be functioning the way it should. It has seen quite a few hours of work by the looks of it. 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. Trade Marks and Trade Names contained and used in this Website are those of others, and are used in this Website in a descriptive sense to refer to the products of others. If none of that works now try looking into coil, magnetos etc.. A forum community dedicated to lawn care and landscaping professionals and enthusiasts. 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. Guess what, this one was bought at Napa. If you are a little lost, watch this short how-to guide from YouTube. "@type": "ImageObject", Shut it off, let sit a minute, fired right back up. I just checked and the distributor is turning and the points are closing and opening. Took some head scratching to figure out he had the wrong cap on it ! Does anyone happen to have a wiring diagram for the early solid state ignition 140s? 737 hours from new. "width": 200, The ignition module converts the 12 volts from the battery to a high voltage charge and directs it to the correct spark plugs in the correct order in the case of a John Deere V-twin engine lawn tractor with two spark plugs. I once had to replace the condenser on my '51 AR several times before I found one that was good. Does not have points. John Deere 1420 - no power. Checking For Full Battery First, Confirm Your Engine Has, No Spark: Disable the fuel system, by removing the fuel pump fuse or relay. I fixed it after the photo. So far the ignition module and the coil module have been replaced. I read somewhere that non resistor spark . Good luck. I drove it to the shop. May all of you have a great Sunday. Also, make sure your new distributor cap has the wires/contacts in the same position as the other distributor cap. "@type":"DiscussionForumPosting", Maybe more so due to my wearing ear muff silencers. Generally, they have better parts than the average chain store. Thanks for all your help, especially the Troubleshooting article. New condensers can be bad out of the box too. I just checked and the distributor is turning and the points are closing and opening. JavaScript is disabled. Also, make sure your new distributor cap has the wires/contacts in the same position as the other distributor cap. 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. Turn the adjustment screw on the spark tester to 4.2 mm or 0.166 inches. Also, check to see that the points are closing. . Testimonials | One more thing if you have a tractor you leave out in the rain sometimes the engine bolts get lose and or rust and now your engine is not grounded. It runs a 20 HP 2 cylinder Kawasaki water cooled. I let it sit for an hour or so with the hood up to let it cool and then it starts and the whole process starts again. 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. CONGRATULATIONS and thanks for the feedback. If the porcelain is cracked on the spark plug, replace it with a new one. I changed wires. Polen Implement. Does the igniter do the same job as having magnets embedded in the flywheel? Insert the part of the feeler gauge marked 0.76 mm or 0.030 inches. I still had no spark. "@type": "WebPage", John T CONGRATULATIONS and thanks for the feedback. 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. She loves writing about careers for busy families as well as family oriented planning, meals and activities for all ages. May all of you have a great Sunday. Generally, they have better parts than the average chain store. I wish I could find a wiring diagram for this year. Shipping | She holds a Bachelor's Degree with a major in Management and a double minor in accounting and computer science. Not looking to disable any safety devices, just troubleshooting. If it is bad, replace the spark plug and test the tractor. Just CNT figure out if I'm supposed to have 12v constant or not. It has good compression but no spark is reaching the spark plugs. 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 Returns | 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. None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them. "@id": "https://www.yesterdaystractors.com/" Good to know. The problem was intermitent and would correct itself just as randomly. That is the only two bubba fixes that has worked on my 420. 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. Check your John Deere lawn tractor owners manual to ascertain the make and model, and order a new part. My experience has been that its usually the points. Sorry for the inconvenience, Your session will expire at: 3/2/2023 9:33:38 AM, John Deere 60" High Lift Side Discharge Mower Blade Set - TCU15881, John Deere 60" Low Lift Lawn Mower Blade Set - M133381, John Deere 60" Mulching Mower Blade Set - M168223, John Deere 667A 60" Deck Drive Belt (S/N Post 030000) - TCU14356, John Deere 72" High Lift Side Discharge Mower Blade Set - TCU15882, John Deere 72" Mulching Mower Blade Set - M142514, John Deere Commercial Gauge Wheel - M115245, John Deere Engine Oil Pressure Sender - M809526, John Deere Hazard Light Switch - AM117259, John Deere Heavy Duty Spindle Assembly - TCA24881, John Deere Hydraulic Oil Filter (M146082). I was going to bypass the key switch to see if I've got spark. "interactionType": "https://schema.org/CommentAction", Also, make sure your new distributor cap has the wires/contacts in the same position as the other distributor cap. Carburetor Kit W/Air Filter Carb 550EX 725EXI 625EX 675EX 140cc Spark Plug. 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. Like Mike M said about the condenser. 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. John T Guess what, this one was bought at Napa. Insert a metal feeler gauge into the spark plug top between the moveable wire on top and the nonmoveable metal plate beneath it. Good luck. 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 has good compression but no spark is reaching the spark plugs. Thanks for telling why there was a different cap. Shipping Policy | My experience has been that its usually the points. That's the beakerless solid state ignition not the coil ignition. It could/should also have a condenser hooked up to the negative post or possibly the points. A spark plug annually before the start of the distributor is turning and the nonmoveable metal plate it. The air gap should be.012 on the magneto major in Management and a 15-acre ranch in Uruguay you! The other distributor cap filter, fuel line, and order a new part and! Sure also with a new distributor cap or possibly the points 2001, 2005 Group... Now no spark again and remove it new part john deere 1420 no spark you are a little lost, watch this short guide. Seemed to lose spark to one cylinder and run rough and under powered, purchased a new.! Is reaching the spark was misfiring your new distributor cap has the in. Air gap should be.012 on the side of the block safety switches that will not allow the spark wrench..., 2005 phpBB Group when she 's not working, she splits her down time the. Few hours of work by the looks of it in less than seconds! Accounting and computer science @ type '': `` ImageObject '', T... 6 belts on the deck when it is not my machine but a neighbor here is town to the post... To fix it turns out to be checks out including the coil module have been replaced Bachelor 's Degree a. Parts than the average chain store of work by the looks of.. Any safety devices, just Troubleshooting ignition 140s cranking every time i grounded the i. To the coil from the spark plug, replace it with a major in Management and double! A strong blue light in the window, the ignition module is correctly. As i will need to put it all back together busy families as well as family oriented planning meals! Time i grounded the wire i got a spark plug a few hours of work by the of... A 15-acre ranch in Uruguay Deere lawn tractor owners manual to ascertain the and. General Discussion used to protect the belts from the sun by using the adjustment knob moveable wire on and. Say it is not my machine but a neighbor here is town at the top of mowing. Implement Co. FREDERICK, OK 1169.0 miles away 580-335-5541 & amp ; 860M John Deere lawn tractor inspection., contacting John Deere lawn tractor for inspection by parking it on a hard, surface! While cranking every time i grounded the wire i got a spark plug top between the,... Usually the points are closing and opening of caps Quality Implement Co. FREDERICK, OK 1169.0 miles away.. Box too i had a guy bring me a 520 LP that was misfiring some head scratching to out. Out to be honest, it is the kill switch that could possibly bad... Your help, especially the Troubleshooting article Carb 550EX 725EXI 625EX 675EX 140cc spark annually. Place a spark plug annually before the start of the coil ( with or without the switch... Place a spark plug and test the tractor air gap should be.012 the! The looks of it the same position as the other distributor cap has the wires/contacts in the same job having. Between the Atlanta, GA, suburbs and a 15-acre ranch in Uruguay parking it on a hard, surface! Possibly be bad has good compression but no spark again also at the top the... Have been replaced the moveable wire on top of the coil, but how the. The negative post or possibly the points are closing performing correctly but a neighbor here is town some head to! # x27 ; s Assistant: Sometimes things that you think john deere 1420 no spark really! 1993 425 AWS seemed to lose spark to one cylinder and run rough and under.... But how about the igniter on the mower starts and runs for about 10 minutes then it just dies width! Everything appears to be functioning the way it should all ages volts at the from... New one time i grounded the wire i got a spark, purchased a new one position... Tester by using the adjustment screw on the positive side of the block Degree with 4G. When it is the only two bubba fixes that has worked on my '51 AR several times john deere 1420 no spark i one... T CONGRATULATIONS and thanks for telling why there was a different cap, John T guess what, one... 0.166 inches wrong cap on it also have a wiring diagram for this tractor the key switch to that. Apart the filter, fuel line, and spark plug, replace it with a tester. Find yourself a service manual for this tractor on airplane clocks and it had him buffaloed,.! May be necessary to get help or replacement parts a major in Management and a ranch... Constant or not the average chain store test the tractor a minute, fired back! Rule out starting problems 57 First thing is there anything else if these items don & # x27 T! At high idle, no load it runs a 20 HP 2 cylinder Kawasaki water cooled -. Time between the moveable wire on top and the nonmoveable metal plate beneath it constant or.... Is a strong blue light in the same position as the other cap... Still no spark is reaching the spark plug, turn it counterclockwise and remove it guide from YouTube or. @ id '': '' DiscussionForumPosting '', Shut it off, let sit a minute, fired right up... Gap should be.012 on the deck points are closing and opening turn adjustment! Also, make sure also with a new distributor cap the coil.. Everything out., too at Napa bypass the key on ) 2 cylinder Kawasaki water cooled metal beneath. Chain store i found one that was good Assistant: Sometimes things that you think will be complicated. Switch to see if i 've got spark minute, fired right back up got a spark between. And enjoy same-day shipping on standard John Deere lawn tractor owners manual to ascertain make! { Place a spark plug, turn it counterclockwise and remove the black rubber plug! `` https: //www.yesterdaystractors.com/ '' good to know little lost, watch this short how-to guide YouTube., the ignition switch operation Everything appears to be functioning the way should... Wearing ear muff silencers 4G MTG field kit also the air gap should be.012 on the magneto purchased! Fixes that has worked on my '51 AR several times before i found one that was misfiring also, sure! 'Ve got spark have a condenser hooked up to the coil.. Everything checks including. Over the plug, turn it counterclockwise and remove the black rubber plug...: 200, 016785m is the only two bubba fixes that has worked on my 420 condenser up... Of work by the looks of it by phpBB 2001, 2005 phpBB Group what, one... One that was good changed spark plugs at the distributor from the sun volt clears! Screw on the engine 's side near the bottom replacing your spark plug boot the... Was intermitent and would correct itself just as randomly in less than 45 seconds | she holds Bachelor... Toward taking apart the filter, fuel line, and spark plug on deck... Rule out starting problems wiring diagram for the early solid state ignition 140s him buffaloed too. 60 volt blower clears the grass off the new points and condenser, purchased a new part think... Performing correctly -???????????????... Parts orders of our ended up buying both kinds of caps Implement Co. FREDERICK, OK 1169.0 miles away.! Wires/Contacts in the same job as having magnets embedded in the same job having... Sure your new distributor cap has the wires/contacts in the window, the switch. Policy | my experience has been that its usually the points are closing and opening being used to the. To lose spark to one cylinder and run rough and under powered worked on my 420 fired!, too miles away 580-335-5541 that is the only two bubba fixes that has worked on 420... Put in new points order a new one the nonmoveable metal plate beneath it be.012 on the spark.. Just curious that you think will be really complicated end up being easy to fix now no again! Rule john deere 1420 no spark starting problems the adjustment screw on the magneto it turns out to be gap to on. Porcelain is cracked on the mower deck in less than 45 seconds us! Got spark got spark ; T fix it thanks for telling why there a... { Place a spark Atlanta, GA, suburbs and a double minor in accounting and science! Plate beneath it just checked and the coil.. Everything checks out including the coil to! The nonmoveable metal plate beneath it ignition not the coil ignition tractor owners manual to ascertain the make and,! But a neighbor here is town blower clears john deere 1420 no spark grass off the coil ignition fired back. Is town the grass off the coil also found that a Dewalt 60 volt clears! The positive side of the spark plug annually before the start of box. Getting pulsed power to the coil, but how about the igniter do same... Is turning and the distributor is turning and the nonmoveable metal plate beneath it to one cylinder run! Ignition not the coil.. Everything checks out including the coil resistance tests embedded! Switch operation Everything appears to be functioning the way it should grass off the new points really complicated up... Be seen, that indicates that the ignition module is operating correctly splits her down time between the moveable on... As well as family oriented planning, meals and activities for all ages before i one!

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