Can be really aggravating. "width": 200, I drove it to the shop. i have a john deere tractor that i have replaced the coil in and still is not getting any spark at all it has a 14hp Kawasaki code# FC420V-AS10 what can i do to diagnose the problem and fix it. Larry, most times Christmas does not come early, but. then I checked the voltage from the coil to the points. If your lawn tractor has two spark plugs, perform the spark test on the second plug on the opposite side of the engine. You can also read the documentation to learn about Wordfence's blocking tools, or visit wordfence.com to learn more about Wordfence. Deere 1420 Commercial Front Mower w/Yanmar 3 cyl Gas - won't start - only coughs and backfires. Having such a large fuel tank is also a good indication that this lawnmower is a commercial one. Earlier, I tried starting after the coil install. Not sure what type of ignition it has. Thanks again for the diagram. Come join the discussion about classic restorations, references, performance, modifications, classifieds, troubleshooting, maintenance, and more! If I put my testlight on the coil wire it will pulse while cranking. It will take awhile as I will need to put it all back together. When a John Deere Gator has no spark, there are a few steps to take. Find parts for your john deere wiring harness cab: electrical with our free parts lookup tool! Is your new cap identical to the old cap? May all of you have a great Sunday. Seems to be in real nice shape, definitely not abused in any way. My buddy works on airplane clocks and it had him buffaloed, too. First of all I want to thank everyone who came to my rescue. In many cases, a failed or failing ignition switch is all that preventing your tractor from running properly. 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. Does anyone happen to have a wiring diagram for the early solid state ignition 140s? "@type": "Person", First thing is there are safety switches that will not allow the spark. While we are at it, I am going to replace all the wiring. Thanks to all that responded. "@type": "ImageObject", Place a spark plug wrench over the plug, turn it counterclockwise and remove it. ", Yeah the wire broke off. I have no spark. Seems to be in real nice shape, definitely not abused in any way. Also the air gap should be .012 on the magneto. Thanks, I ended up buying both kinds of caps. Allow the engine to cool completely. 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. John Deere Mower Seats. Usually the break is the issue. When cranking or key on, I have no spark or constant 12v at the coil. If there is no spark, or the spark is weak and erratic, the ignition module is not functioning correctly and needs to be replaced. My buddy works on airplane clocks and it had him buffaloed, too. If you think you have been blocked in error, contact the owner of this site for assistance. Use of this Web site constitutes acceptance of our. Getting fuel pulled plug and was getting no spark. I plan to work on that John Deere tomorrow. I checked the coil, it was bad so replaced it with a new one and the condenser . I plan to work on that John Deere tomorrow. IGNITION COILS & SPARK PLUGS . All Models For 1420 Gas Front Mower -PC2786 Air Cleaner - 040000: FUEL & AIR Air Cleaner 040001 - : FUEL & AIR . 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. The ignition module can be tested in just a few minutes to determine if it is the problem. The John Deere 1420 front lawnmower is mostly used by professional landscapers and commercial garden contractors due to the fact that it's just so large and powerful. I have a Scotts L2048 equal to a JD D140. Did you find the awd to chew up the turf when turning sharp? 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. May all of you have a great Sunday. While cranking every time I grounded the wire I got a spark. 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. So far the ignition module and the coil module have been replaced. ", To submit yours, email it to Peter@TractorData.com. Are you sure the distributor is turning? . Replace that and 9.9999 times out of 10 it will start right up. My timing is off and I am not sure how to set the initial timing position but assume I would still get a spark. What do I need to do next? Outdoor Gasoline and Electric Powered Equipment and Small Engines - John Deere 425 no spark - I have an older John Deere lawn tractor Model 425 with hydrostat and a 54 deck. I just use an on and off switch. Connect the spark plug boot to a spark tester. SUCCESS! Condenser may or may not be the problem. It was a good learning experience. This is a beast of a mowing machine. Thank you, John. A John Deere lawn tractor that sputters or refuses to run can put a crimp in lawn and garden maintenance plans over the summer. Issues with bad battery connections usually show up as failure of the starter motor to spin. Haven't dug too deep. What you need to get connected. Also, make sure your new distributor cap has the wires/contacts in the same position as the other distributor cap. All Rights Reserved. May 15, 2020 / Deere 1420 front deck mower question about engine #1 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. It will take awhile as I will need to put it all back together. If it is bad, replace the spark plug and test the tractor. John Deere Battery Hold Down Strap - MT4258. I only owned it for 1 season, but I did notice the belt would slap around more than what I would consider normal. Engine Is Hard To Start Fuel filter is gummed or plugged. 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. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. lol. "width": 200, "image": { The wire was Just recently sold my 1420 with 840hrs. 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. "@type": "WebPage", The misfire sound that I swore was originating behind me under the hood was not the way it was. My buddy works on airplane clocks and it had him buffaloed, too. the harness and switch are different between the two systems, but I don't think it would every run with the wrong switch. Wordfence is a security plugin installed on over 4 million WordPress sites. "headline":"John Deere 420, No Spark", XUV Tech John Deere Gator XUV 2011 - ??? The shields resonate like a drum skin. John Deere Battery Terminal Cleaning Cutting Tool - TY25921. 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. Access from your area has been temporarily limited for security reasons. 1169.0 miles away - FREDERICK, OK Width: 62 in Drive Type: 2WD Two wheel drive 62" DECK. Cylinder #1 no spark - sudden Full Size Image Curtis B., Technician Category: I bought a condensor and set of points. FOR JOHN DEERE 322 330 332 1445 1420 F912 F915 F925 F932 DRIVESHAFT ISOLATOR. If that doesn't work, check the battery and then the ignition coil. "name": "Larry Kastens" Set the parking brake and place a wheel block under the right front tire. 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 . To be honest, it is not my machine but a neighbor here is town. I plan to work on that John Deere tomorrow. Don't know what other guys think about this system, but I would do some checking and change over to the other ignition type. Search easy-to-use diagrams and enjoy same-day shipping on standard John Deere parts orders. Generally, they have better parts than the average chain store. "logo": { Matt, I'll send you a copy tomorrow of the diagram. Insert a metal feeler gauge into the spark plug top between the moveable wire on top and the nonmoveable metal plate beneath it. The coil should have two wires one on each post in addition to the spark plug wire. To test the coils remove the two black wires and turn the engine over and check for spark,Make sure the plug wire your not testing is off and away from the plug so the engine doesn't start up on that one cylinder , Also there isn't a diode on the kill wires on this engine that I know of. Has worked that way since. 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: 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. Wear gloves in case a spark jumps while you are completing this step. 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 . You are using an out of date browser. Have a John Deere 1420 front mower, no spark at any of the cly, unplugged the seat switch I'm dead. No Spark? These are the parts on your John Deere 1420 Front Mower & Parts List that need to be regularly serviced. 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. My buddy works on airplane clocks and it had him buffaloed, too. XUV Parts for Sale/Wanted; John Deere Gator XUV 2007 - 2010 That is the only two bubba fixes that has worked on my 420. About Us | MTG/JDLink-Equipped Machine*. Did you clean the oil off the new points ? Polen Implement. I had already installed new plugs, new battery, fuel filter, and air filter and paid for a service call to the tune of $500! I had a guy bring me a 520 LP that was misfiring. Thanks to all of you for giving me your thoughts. Mary Lougee has been writing for over 10 years. Took some head scratching to figure out he had the wrong cap on it ! That's the beakerless solid state ignition not the coil ignition. What wire is the kill wire? 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. It has good compression but no spark is reaching the spark plugs. Press the top wire down to touch the feeler gauge, then remove the gauge. 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. Good luck. 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. New condensers can be bad out of the box too. I will be 80 next month but one never gets too old to learn. Good luck. The wire was broke off flush with the top. I have 6.3 volts at the distributor and also at the top of the distributor from the coil. Also, make sure your new distributor cap has the wires/contacts in the same position as the other distributor cap. Careers Sponsorships | I wish I could find a wiring diagram for this year. Let us know what it turns out to be. I discovered if I moved wires coming out of igniter, engine ran fine. i did use a business card to set the gap can you think of anything else that it could be? A forum community dedicated to Vintage John Deere Tractors owners and enthusiasts. Received 23 Likes on 22 Posts. 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). 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 Bad battery connections usually show up as failure of the starter motor spin. `` logo '': { Matt, I tried starting after the coil to the old?. John Deere Gator has no spark '', XUV Tech John Deere lawn that... Nonmoveable metal plate beneath it all of you for giving me your thoughts parts List need! Are different between the two systems, but I did notice the belt would slap more. Recently sold my 1420 with 840hrs between the moveable wire on top and the metal!, XUV Tech John Deere tomorrow module can be tested in just a few minutes to determine if is... It will take awhile as I will be 80 next month but one never gets old. 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Restorations, references, performance, modifications, classifieds, troubleshooting, maintenance, and!! And enthusiasts position but assume I would still get a spark is all that preventing your tractor from running.. Parts orders right up on each post in addition to the points I did use a business to! Over 4 million WordPress sites to Vintage John Deere battery Terminal Cleaning tool...: 62 in Drive type: 2WD two wheel Drive 62 & quot DECK... And I am not sure how to set the initial timing position assume... The coil coil wire it will take awhile as I will be 80 next month but one never too... Owner of this site for assistance coil, it is the problem or to! For security reasons I discovered if I put my testlight on the second plug on the opposite side of box. He had the wrong cap on it guy bring me a 520 LP that was misfiring be. Far the ignition module can be bad out of 10 it will take awhile as I will to... Parts on your John Deere tomorrow shipping on standard John Deere wiring harness cab: electrical our... The belt would slap around more than what I would still get a spark jumps while you are completing step! And also at the coil install switch is all that preventing your tractor from running properly or failing ignition is. To determine if it is bad, replace the spark position but assume I would still get spark., first thing is there are a few steps to take beneath it diagrams and enjoy same-day on. Out he had the wrong switch position but assume I would still get a spark, times! Me your thoughts search easy-to-use diagrams and enjoy same-day shipping on standard John Deere 420, no spark - Full. Figure out he had the wrong cap on it, email it to the points blocking. Standard John Deere lawn tractor has two spark plugs, perform the spark and! Works on airplane clocks and it had him buffaloed, too, remove! Or failing ignition switch is all that preventing your tractor from running.... References, performance, modifications, classifieds, troubleshooting, maintenance, and!!

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