Ford 9n voltage at coil. I have chronic dead batteries on my 1948/49 8N.
Ford 9n voltage at coil Research & Info Articles Tractor Registry Tip of the Day Safety Cartoons Tractor Values Serial Numbers Tune-Up Guide Paint Codes List Prices Production Nbrs Tune-Up Specs Torque Values 3-Point Specs Glossary Miscellaneous Tractor Games Just For Kids Virtual Show Museum Guide Memorial Page Feedback Form Ford 9N, 2N & 8N Discussion Board Jun 8, 2020 · The 9N (after s/n 12500) and the 2N used a 1-Wire starter motor and NO Solenoid. Cleaning terminals and replacing faulty components Apr 27, 2013 · When the engine starts the voltage goes up, the voltage from the starter solenoid wire goes away and the coil is running off the wire from the ignition switch which is supposed to run through the ballast resistor and drop that voltage down. 6 (7) Item # 23800199 Pickup FreeAvailabletoday Apr 14, 2025 · If you measure the resistance from the top of the coil to the pig tail it will till you what that coil is. If you do not have the correct voltage at the coil, that’s your problem. My old coil had two posts labeled "Bat" and "Dist. Aug 17, 2014 · On the front mounted distributor on the 9N you can't do this, so, make sure you're using a 12V coil, otherwise, the fire will travel the wrong way at the points and the condenser will not be able to absorb the excess spark as it should. Feb 23, 2021 · 2N died on me plowing snow with a 3 point blade. The ignition coil works on the principle of electromagnetic induction. if it starts then either the afore mentioned resistor is bad or the coil is weak. 62. It had been converted to 12v, but now im questioning it. Pulled the plug. Went out to start it, and no-spark to plugs. 3 volts but does'nt make it clear Mar 19, 2005 · Having problems with my 9N and Ive been trying to check voltage at the coil. If your coil is drawing too much power (amps), it will melt the insulative tar and shortout Oct 21, 2009 · I have a 9N that still uses the 6-volt positive ground system. 85 volts im doin good or my coils weak " What should the correct voltage be at the top of a coil on a 8n original tractor? Can you jump all the wiring by running a wire from the coil to the battery? Replies: Re: Correct voltage at coil Bruce (VA)18:30:00 04/25/18 (0) Add a Reply Name: E-Mail: Subject: Comments: Optional Link URL: Link Title: Optional Image URL: Optional Video Title: Optional Video URL: For 9N, 2N, (early 8N 1948-1951) with Front Mount Distributor (distributor is right behind radiator), to serial number 263843. It does NOT need a resistor. I cleaned the points. 56 below the resistors at top of coil. Currently, I'm not ge Jul 10, 2006 · What is the best way to go about troubleshooting the Ignition system on a 1941 2N tractor with front mount distributor and what would be the proper me Jan 4, 2013 · DO clean the points after instalation. The resistor was switched Out of the CKT during START so the Coil would have Maximum Spark at Start when it really needed it. Over the past year I have replaced the ballast resistor, coil, points, condenser, rotor, distributor cap, plugs and plug wires. It is responsible for converting the low voltage from the battery into the high voltage needed to create a spark in the spark plugs, igniting the fuel mixture in the engine cylinders. With the points open you should have battery voltage. Next, make sure the battery is fully charged. Be much easier to see what you are doing. About this item Spec: 6 Volt Ignition Coil, Brief: Ford 2N, 8N, 9N Tractors Replaces OEM Numbers: ARROWHEAD: 160-01003, FORD: 9N-12024, J & N: 160-01003 1-year warranty protects you after your purchase. Have 6 volts, but when turn tractor over goes to 0. Voltage at coil/starts? Jun 10, 2015 · 8V at the top of the coil points open or closed? It should be battery voltage with the points open. 79 volts all this with the drop down resistor from D Carpenter and the new 12 volt coil ampmeter shows little movement to + side @ Brucetried to hold Mar 22, 2008 · I'm having starting issues again with my 9n (front mount distrib & 12 v conversion). [ Expand ] [ View Replies ] [ Add a Reply ] [ Return to Forum ] Posted by Hobo,NC on May 14, 2015 at 19:15:24 from (75. 5 ohm oil. Other possibilities include a bent spring on the base of the coil that is shorting to the case instead of Apr 14, 2025 · If you measure the resistance from the top of the coil to the pig tail it will till you what that coil is. an d8-10 on a12v system using a 2. The tractor wa Jan 6, 2005 · I have what I am sure is a pretty simple question if anyone would be kind enough to respond. no. In this 5-Step Guide learn how to test ford coil packs using a multimeter. This article is about my '53 Ford Jubilee and a story that starts with taking the tractor to my brother's Starter/Alternator Rebuilding shop for a wiring fix. I get 12. This is condensed written conversion instructions with no confusing diagrams or electrical theory. Jan 27, 2021 · Ford 8n, front mount distributor, 6 volt system. One would Nov 16, 2014 · This rapid collapse generates a high voltage in the secondary windings sufficient to bridge the gap in the spark plugs. As it sits the distributor is about shot because the bushings are worn and the points keep changing. Aug 18, 2014 · Lets make sure you do indeed have a 1952 8N. If not close to 5. 63. With points closed it will be less. I bought a new coil because the old one seemed to measure wrong with a meter. Apr 7, 2010 · I"m new to this forum and need elec system help. Replies: Re: Ford 9n voltage shorted at coil Gary K. I= E/R. Not even trying to start. With a 6 volt coil you need the original ballast resistor plus a 12 to 6 volt dropping resistor. This has been running fine after rebuilding top end, and Oct 16, 2024 · Then check coil side of resistor key on, should have voltage depending if points are open or closed. If all is good, install it while still assembled. 7 ohms at operating temp. The distributor cap and rotor directs this voltage to the correct plug in time with the engine. 6 volts, you either have the wrong resistor or dirty connections or etc. Everything appears to be ok (points, distributor, etc. Assuming that the bushings & advance weights are ok, & that you May 12, 2009 · If so, I shorted it troubleshooting the charging system! It shows no resistance across it. Feb 27, 2024 · FORD TRACTOR 12 VOLT CONVERSION WITH ALTERNATOR The steps to any 12 volt conversion using an alternator are basically: remove the old generator and regulator, create or buy brackets to mount the alternator, run or reroute a few wires to the alternator, replace 6 volt bulbs with 12 volt bulbs, and add a voltage dropping resistor in the ignition circuit. I used their resistor (that came with the kit) and the resistor assembly already on the tractor (per directions). The early square-can coils have never been as forgiving as the much more universal round-can type 6 or 12 volt coils and the replacement square-can coils seem to be getting worse. 8. It should be battery voltage w/ the points open & about half that w/ the points closed. 138. I then ran a wire from what I beleive is the resistor (see picture) to the coil and I got the tractor to Feb 7, 2014 · I have a 9N with the front mount distributor. 3 volts here also. 51. 0 ohms hot, plus 1. I purchased a new 12v coil from my local Ford Tractor dealer and tested the ohms at got 2. Or, is the coil square and in the front of the engine? If it's a round coil, go to NAPA & get p/n IC14SB. If your coil is drawing too much power (amps), it will melt the insulative tar and shortout Mar 17, 2009 · Ok, first off, I was told I had a 9N and from what I can read of the serial number I have a 1947 2N. 5 ohms of the coil got you down to 3 amps or so to keep from melting the coil. Bat voltage on coil side? If yes resistor is bad. I have chronic dead batteries on my 1948/49 8N. 【Alternative Number】Replace for OEM number: ARROWHEAD: IFD6001, FORD: A8NN-12250-A, J&N: 170-14006, NEW HOLLAND: 87056839. Pulled the intake pipe. Test the ballast resistor if equipped, as failure can cut power to the coil. New resister and my problem was solved. Feb 27, 2024 · Stick an ohmmeter across the low voltage terminals of a few replacement coils and it quickly becomes obvious that there is a lot of variation in them. Apr 24, 2017 · Having some trouble diagnosing a no spark situation on a 49 8N (front mount distributor). 0 the resistor under the left side of the dash may be corroded up and not conducting. any help appreciated The voltage at the top of the coil on a 6 volt front mount should be about 3. I am getting a resistance of about 13k ohms, when I think I should be getting 4-8k ohms. We're confident that our products will work flawlessly once installed in your vehicle. My problem is that with distributor off of tractor and put in vise with coil and cap in place and hook up to battery charger and turn the distributor,it fires fine. Feb 27, 2024 · The Easy 12 Volt Conversion All N-Series Front-Distributor Tractors - Ford-Ferguson 9N, 2N, and Ford 8N Tractor Wiring 101 For The Electrically Challenged. less with oem coil. If your ignition switch is more than a couple of years old, it's probably a good idea to replace it. You will NOT get continuity through the points to the coil spark plug wires, due to the transformer. But in a rare case that it does not, we'll replace it anytime within one year of your order. 9n Ford Ignition Coil found in: 12 Volt Distributor Ignition Coil (Internally resisted), Alternator Conversion Kit, Ford 9N, 2N, (early) 8N, Front Mount Distributor (New), Universal 12-volt Voltage Resistor (2-terminal style),. Since I can replac Aug 7, 2021 · Volt meter between the coil and battery ground shows voltage fluctuating when cranking between full battery voltage and about 2. Put coil on top with test battery, 12 volts OK. What"s Feb 27, 2024 · WIRING DIAGRAMS FOR FORD 9N and 2N TRACTORS Original 6 Volt System, Upgraded 6 Volt System, and 12 Volt Conversion Diagrams for 9N and 2N Front Distributor Tractors. Allis Chalmers Case Farmall IH Ford 8N,9N,2N Ford Ferguson John Deere Massey Ferguson Minn. 3 points open, 3. Moline Oliver Marketplace Classified Ads Photo Ads Tractor Parts Salvage Community Discussion Forums Project Journals Your Stories Events Calendar Hauling Schedule Galleries The Ford 9n distributor is an essential part of the ignition system in the Ford 9n tractor. Run a jumper from coil side of resistor to coil key on. - or fried. Disregard the extra resistor simply by replacing the 6V coil with a 12V coil. you have 2 basic setups. FORD TRACTOR 9N & 2N, AFTER S/N 12500, OEM 6V/POS GRN WIRING: Jul 29, 2010 · At this point, I just put the distributor, coil & cap all back on the tractor as a unit (it’s easier to do this from the left side). The coil looks like a black cylinder with a center wire similar to a spark plug wire and two side posts with nuts and wires attached. Checked points for continuity when closed, okay. 【Necessary Assembly】This resistor assembly contains the components of the ignition assembly and is used to activate the Apr 3, 2010 · I just got a 8n w front distributor, the wiring was so hacked up Im starting from scratch. I pushed the tractor into the barn and replaced the ignition switch as I assumed it was bad. 8) and when there’s juice to coil the voltage drops to Feb 22, 2013 · I converted my 8n Ford over to 12V. Ignition Coil The ignition coil is an essential component of the Ford 9N distributor system. 153): no spark at plugs (9n / 12 volt /front dist) am getting 4. No start. 7 closed Anything inside distributor new Checked ohms in coil top of coil Apr 25, 2022 · Coil pack testing is a quick and easy way to diagnose an electrical problem. Pull coil wire off, verify 12 volts OK. If resistor is OK then wire to the coil may be bad. 197. DO make sure you have power to the top of the coil with key on. with points closed. Hook up you volt meter in line to the coil and turn the engine over slowly by hand and see if the voltage drops. er. Current equals voltage divided by Apr 27, 2006 · Hello Folks, I've had a 6v 8N for several years now and since it works great, I really haven't followed the 12v conversion talk. 12v sys with Alt and 6v square can coil. The conversion was done before I owned it. Is that correct? The reason I ask is because it's rare to see a cracked round coil. Aug 5, 2013 · This is the front mount distributor with the square coil. I still could not start the tractor. Battery voltage 6. May 31, 2011 · I bought the kit to convert from 6 volt to 12 volt for my 9n. Nobody really wants to know that "stuff" anyway, right? GRIN. At this Feb 27, 2024 · IGNITION SYSTEM All N-Series Tractors - Ford-Ferguson 9N, 2N, and Ford 8N If you are having trouble with weak spark, no spark, or burned coils, you may find some helpful information on my new WON'T START page, or on my COIL PROBLEMS page. Since day one it has rapidly d Jun 5, 2021 · If you don't have voltage at the coil. Has been sitting on the ranch for over a decade without moving. Replaced the distributor cap and rotor. Nov 16, 2025 · Voltage Resistor Fits Ford Tractor 9N 2N 8N Ignition Coil Ballast A8NN12250A/B Aug 30, 2013 · Purchased an Atlantic conversion kit (6v to 12v)from this site and installed it on a 2n. the fixed types use a fixed resistor inline with the coil, during starting, a seperate post on the solenoid provides straight Nov 19, 2017 · Other Posts in This Series 1939 Ford 9N Repair Work: History and Teardown 1939 Ford 9N Repair Work: Electrical (this post) 1939 Ford 9N Repair Work: Fuel, Air, and Oil Ford N Series Sediment Bowls (suck): Sealing a 9N/2N/8N Fuel System Comments are handled on my Discourse forum - you'll need to create an account there to post comments. About 3-3. The ignition coil, located under the hood of the tractor, increases the voltage of the battery to a high enough level to start the 9N's engine. Use an analog meter. Only reading just under an ohm of resistance (0. For starters, round coils are pretty robust & square coils aren’t (because of the difference in insulation used), but neither one will hold up to a poorly done 12v conversion that allows too much current to the coil or leaving the key on (see tip # 38). Ford/NH place said I need both resitors (orig ballast and Ceramic). It is responsible for distributing the high voltage current from the ignition coil to each spark plug in the correct firing order. Dec 12, 2015 · Spark update. So, coil voltage should be battery voltage (w/ the points open) 75 Tips Mar 13, 2008 · I am looking for a solutions for my dad's 9N. I also suggested a 12 volt solenoid for the starter and snutz (sp) for gauges and Nov 23, 2011 · It should be battery voltage w/ the points open & about half that w/ the points closed. Hauled it to the barn to check it out. 86): In Reply to: Low voltage to coil posted by Jason1Pa on November 15, 2019 at 15:53:28: IIRC, the specs say the module won't fire below 9. 11:14:12 07/05/10 (0) Add a Reply Name: E-Mail: Subject: Comments: Optional Link URL: Link Title: Optional Image URL: Optional Video Title: Optional Video URL: Advanced Posting Research & Info Articles Tractor Registry Tip of the Day Safety Cartoons Tractor Values Serial Numbers Tune-Up Guide Paint Codes List Prices Production Nbrs Tune-Up Specs Torque Values 3-Point Specs Glossary Miscellaneous Tractor Games Just For Kids Virtual Show Museum Guide Memorial Page Feedback Form Ford 9N, 2N & 8N Discussion Board Sep 18, 2009 · Since you report no shorts, this implies that you must have a multi-meter (ohm and volt meter) What are your voltage readings at the top terminal of yer squarecan ignition coil? Allis Chalmers Case Farmall IH Ford 8N,9N,2N Ford Ferguson John Deere Massey Ferguson Minn. Assuming that the bushings & advance weights are ok, & that you have correct voltage to the coil, the most common electrical failure (no spark, weak spark) points on the frontmount Mar 11, 2002 · maybee, sort of. It seems to me that Jun 2, 2024 · Low voltage on a battery can take the amps away from the coil so you in turn do not have spark or a very weak spark. 5 to 1 ohm. Coil is about 3 years old, tractor hasn't seen much use. Still no spark. pdf, Alternator Conversion Kit, Ford 8N (late), Alternator Conversion Kit, Ford 9N, 2N, (early) 8N, Resistor Assembly, 8NE10306, 12-Volt Headlight Assembly, Electronic Ignition. 12v coil. I took out the old points and inspected them, no dirt, pitting or corrosion. Aug 13, 2024 · No spark -- Do you have battery voltage to the top of the coil when the ignition is on? With the points open you should have same volts as battery. The tangled mess of wires on your tractor (or even the brand new harness you Ignition Coil The ignition coil is an essential component of the Ford 9N distributor system. Jul 5, 2010 · Pulled distributor off, checked points, condenser, nothing shorted, points open and close via meter. Think may be the charging syste The infamous ballast resistor is mounted on the backside of the dash panel and automagically changes value with tempature, about 0. The condenser is good. Mar 30, 2005 · I know, i'm asking too many questions. No spark. If the two small round can coil terminals are marked the negative coil terminal goes to the distributor with a negative ground system. The same rule (actually, Ohm's Law) applies to a 12v circuit. ) I tested the coil, and I am getting a secondary coil resistance which is higher than I believe it should be. I was finally able to take a look at it. I unhooked the wire going to the top on the coil so i know there is no short from the Allis Chalmers Case Farmall IH Ford 8N,9N,2N Ford Ferguson John Deere Massey Ferguson Minn. Bought kit and wired exactly as diagram. The Ford N is about the easiest machine to work on and you can do it, just need to know the how's and why's. ---lha Research & Info Articles Tractor Registry Tip of the Day Safety Cartoons Tractor Values Serial Numbers Tune-Up Guide Paint Codes List Prices Production Nbrs Tune-Up Specs Torque Values 3-Point Specs Glossary Miscellaneous Tractor Games Just For Kids Virtual Show Museum Guide Memorial Page Feedback Form Ford 9N, 2N & 8N Discussion Board Jan 5, 2022 · Checking a coil Early V8 (1932-53)Sponsored Links (Register now to hide all advertisements) Sep 26, 2009 · With the distributor & coil on the tractor, key on, bump the starter until the points are open. There are several pre-packaged kits for Mar 22, 2021 · 12000 or so 9N's used a Voltage Regulator. I put it all back on and as soon as I hook up coil Allis Chalmers Case Farmall IH Ford 8N,9N,2N Ford Ferguson John Deere Massey Ferguson Minn. You should read approximately 6. 3 volts. 41. Even when I run a wire from the negative terminal directly to the coil Jul 17, 2011 · As the voltage increased when the engine was running to about 7. In fact take the distributor off where you can get to it on the bench to clean, check all the connections and test for spark. 79 volts at coil bump engine, test at coil = 4. If you do not see either, the problem is between the battery and the coil, e. The points, plugs and condenser are the only things Discover the complete wiring diagram for the Ford 9n tractor, with detailed instructions and illustrations to help you troubleshoot and repair electrical issues. Jan 5, 2022 · Checking a coil Early V8 (1932-53)Sponsored Links (Register now to hide all advertisements) Sep 26, 2009 · With the distributor & coil on the tractor, key on, bump the starter until the points are open. Report back. When I measure the volts to ground with the ignition switch on I read 1 volt- Is this right? The service manual I have says the voltage drop should be . 5 volts with the points closed. Apr 9, 2012 · Can you test a 6v coil with a test meter, if so, what is the correct procedure? Thanks Jun 30, 2021 · The tractor worked great last year. A quick video about changing the 12v ignition coil on an old tractor, a Ford 9N tractor. 78 volts bump engine, test at coil = 4. poitns open voltage = bat volts. Assuming that the bushings & advance weights are ok, & that you have correct voltage to the coil, the most common electrical failure (no spark, weak spark) points on the frontmount Research & Info Articles Tractor Registry Tip of the Day Safety Cartoons Tractor Values Serial Numbers Tune-Up Guide Paint Codes List Prices Production Nbrs Tune-Up Specs Torque Values 3-Point Specs Glossary Miscellaneous Tractor Games Just For Kids Virtual Show Museum Guide Memorial Page Feedback Form Ford 9N, 2N & 8N Discussion Board Mar 11, 2002 · maybee, sort of. Danny Replies: Add a Reply Name: E-Mail: Subject: Comments: Optional Link URL: Link Title: Optional Image URL: [ Expand ] [ View Replies ] [ Add a Reply ] [ Return to Forum ] Posted by Bruce (VA) on June 22, 2010 at 14:21:01 from (71. Apr 24, 2017 · A bad ignition coil on a Ford 9N tractor will cause starting problems. STARTER SOLENOID PROBLEMS: The 9N and 2N tractors use a mechanical start switch rather than a solenoid. Last time this happened to my 9n. With a 12 volt coil you ONLY need the original ballast resistor. The 12 volt coils measure anywhere from 1 to 3. If you only have 1. 3 No start, so began maintenance Replaced breaker plate in distributor Replaced points, rotor condenser Checked battery voltage at coil 6. They also used a 1-Wire/3-Brush 11 AMP B-Circuit Generator WITH the roundcan cutout circuit. Jul 5, 2013 · Before you check anything else, make sure you have the correct voltage at the top of the coil. The battery voltage is going from the switch to the coil. I did find some info to install a ballast resistor on the ignition coil. I quickly found I had no voltage going through the resister. I am getting 12 volts on the wire to the coil but noticed something. Inspect the coil connections and ensure the coil itself isn’t damaged. If you do, it has a side coil. fixed and thermal coeficient type. Am I correct on what I am expecting, and would this cause a no-spark condition. If no voltage jump across the two poles on the resistor, key on. Moline Oliver Marketplace Classified Ads Photo Ads Tractor Parts Salvage Community Discussion Forums Project Journals Your Stories Events Calendar Hauling Schedule Galleries Oct 28, 2003 · I have been having problems getting my 8N to start (front mount distributor, all original 6 Volt system). Anyway, The early Ford 9N, 2N, and 8N tractors have a front distributor engine with a square-can coil that sits right on top of the distributor. 5 with 6 volt coil. 162): In Reply to: voltage at ignition coil front mount distributor posted by jjk454ss on May 14, 2015 at 14:45:50: Aug 14, 2011 · W/ correct coil voltage, it jumps the gap. I got a 12 volt coil, do I need a resistor? It has an alternator, one wire, no guages. It's round. Oct 8, 2022 · If using a 6V coil on a 12V system, you need to add an external in-line 1-OHM resistor to the coil circuit. Jun 26, 2006 · Can anyone tell me how to bench test a coil on a 9N front mount tractor? I have an ohm meter but do not know what it should be reading. When I did a systems check the voltage at the coil was around 8 volts. Feb 9, 2013 · One more thing that I think needs clarified Is there +12volts at the coil during cranking (Not resistor reduced voltage) and Ford may have built it so that it gets only reduced voltage all the time (not sure ) but have seen some engine electrical setups that WERE that way ,it can cause hard starting, I would make sure the batteries full voltage is available at the + terminal when cranking, the Nov 2, 2011 · 12 volt or 6 volt coil how to tell difference Model A (1928-31) How to Identify and Test the Coil Connections on a Ford 851 6-Volt Tractor Engine Mechanic's Assistant chat Customer: Subject: Coil on Ford 851 6-volt tractor engine. He installed a 12 volt battery and is concerned about the extra 6 volts to the ignition system. " Is the "+" the "Bat" side of the coil? Nov 10, 2003 · I have had a 46 2N for about a year and a half now, and I am finally ready to tackle one of the problems it came with. Because of the resistor shouln't the primary coil wire be less?Thanks Roy Wondering how to test the coil and what levels it should be? The Tractor Barn Farm & Lawn shows you how. Moline Oliver Marketplace Community Galleries Research & Info Miscellaneous Ford 9N, 2N & 8N Discussion Board What should the correct voltage to ground be at the coil primary connection? I know the ingnition voltage is reduced at the resistor terminal block but I don't know what the OHM value of that resistor should be. But this board is addicting. The voltage at the top of the coil on a 6 volt front mount should be about 3. . Ford 12 Volt Conversion Kit found in: Fds1097. ballast resistros serve to reduce primary current thru the coil and points. 015 and checked on all 4 lobes. 5 volts with the point closed. it = less like 3-4v on a 6v system. Now I have spark to all cylinders Feb 27, 2024 · This 12 volt coil is also a direct swap with no wiring changes. Checked points for continuity when open, no continuity. If you have zero volts at the top of the coil, run a jumper wire from the non grounded side of the battery to the coil. While I have it apart I figure I might as well change it over to 12 Volts and electronic ignition for some easier starts and hotter spark. ) The voltage should be 6. 35 v) with the points open and about half that with the points closed. " The replacement coil has them marked "+" and "-. 5 ohms. The longer the switch is on the hotter it start getting to the point of even glowing someIt is brand new. Posted by Bruce (VA) on November 15, 2019 at 16:05:47 from (71. I parked it and about 6 months later no spark. Might try doing your continuity check on the points again, but this time do it between the case and the top of the coil while assembled. Jul 30, 2020 · While battery is off, disconnect lights (can reconnect later when system is wired right) and use a VOM set to Continuity, NOT a test light, to verify wiring. The coil only has 1 lead Posted by MnNC on July 29, 2011 at 10:16:39 from (65. I have contenuity with the top post of the coil and the curly spring on the bottom. Spark is weak to non-existant. Many 9N and 2N tractors will have been upgraded to the 8N "B" type generator, and replaced the original cutout relay with a voltage regulator Locate the coil on your Ford engine. The reason I do this is because it is real easy to get the cap or coil mis-aligned trying to put it back together one piece at a time & the result is something gets broken or you get a ‘no spark’ problem. If at anytime it does touch, you have faulty parts and/or installation, but more likely as you discovered, slop in the shaft caused by worn bushings. (that's the higher voltage; you don't need the cap off to see) Battery voltage should be exactly that: 12. With the distributor on the engine, I have trouble getting any voltage when I check the top terminal of the coil. Apr 23, 2022 · With the key on, you should see battery voltage ( 6. More likely bad points,condenser,or bad connections. Dec 19, 2022 · About this item 【Fitment】1x new Ignition Resistor with 2 screws. Jul 12, 2007 · Checking for a 6 volt or 12 volt coil [Options] [Printer Friendly] [Posting Help] [Return to Forum] [Log in to Reply] Hop to: Jul 8, 2011 · Changing early 8n coil from 6 to 12 volt (front end square coil). This I think in turn fried the coil. 183. 5 ohms cold, 0. Replaced and set gap to . Oct 25, 2000 · First read the voltage at the terminal block (6 volt junction) These readings are taken with the points closed. There should always be a ballast resistor in line from the ignition switch to the coil located under the amp meter. Try hot wiring to the coil connection. Recently, while putting on a new wiring harness, I noticed that the ignition resistor is not being used in the circuit. Moline Oliver Marketplace Classified Ads Photo Ads Tractor Parts Salvage Community Discussion Forums Project Journals Your Stories Events Calendar Hauling Schedule Galleries Tractor Photos Implement Photos Vintage Photos Help Identify Parts & Pieces Stuck & Troubled Vintage Ads Community Album Photo Ad I put 6 volt coil with (2nd) ballast resistor, and same thing. I bought new ballast resistor Home | Forums Today's Featured Article - My Ford Golden Jubilee - by Troy Estes. Moline Oliver Marketplace Classified Ads Photo Ads Tractor Parts Salvage Community Discussion Forums Project Journals Your Stories Show & Pull Guide Events Calendar Hauling Schedule Galleries Jul 29, 2011 · no spark at plugs (9n / 12 volt /front dist) am getting 4. The instructions say " install the resistor if needed" but they don't say why it might be needed or not. Use a multimeter to verify voltage at each point. I"ve replaced both resistors with new and wired in series. My distributor is front mounted with the coil being on top of it. May 31, 2001 · 10-01-2004 14:15:20 Report to Moderator Re: '43 9N Ignition coil resistor in reply to Herb, 05-31-2001 13:13:41 I always thought that resistor was in place to reduce the spark coil input voltage during normal run time. 1. From reading this forum I figure it has to do with how much voltage you send to the coil, 6 volts (with resistor) or 12 volts May 23, 2013 · I have a 9N, which is currently not getting spark. The first 6 volt diagram shows the original 1 wire generator and cutout configuration. She"s lost 2 12V square coils recently. Try and start it. Your hi-tech digital VOM does not like the electrical "noise" made by the points. Do make suree the advance works freely. , the resistor, ignition switch or a bad connection. Have gone to various tractor forums to look at previous questions and answers as to whether the resistor should be removed or not when For no power to the coil on a 1942 Ford tractor with a 12-volt system, first check the ignition switch and wiring for corrosion or breaks. Checked . Aug 2, 2024 · 9N. My 9N tractor has a ignition coil resistor on it. Add to cart Compare Save 10% with Pickup in Store Sat Nov 15 and Sun Nov 16 only CountyLine 12V Tractor Coil for Ford 9N, 2N, and 8N 3. Mar 29, 2020 · First of all, check voltage to the top of the coil. Absolutely no spark. Around 1 ohm is a 6 volt coil and around 2-3 ohms is a 12 volt. Checked coil for continuity, okay. 【Necessary Assembly】This resistor assembly contains the components of the ignition assembly and is used to activate the If we are talking about a front mount ford that uses the square coils, then use, while current is flowing, the voltage to the coil should be less. Mounted on tractor, 12 volts gone to coil. Take a Real good look at the wiring going from the coil to the ignition switch. 5 volts. 74): In Reply to: Re: voltage at coil 6v posted by fireater on June 22, 2010 at 09:22:22: " i guess if my voltage is at 2. The points melted, not the metal but the plastic arm where the contact is. About $25. The infamous ballast resistor is mounted on the backside of the dash panel and automagically changes value with tempature, about 0. If you have a front mount distributor, the voltage at the top of the coil should be about 3. Could a Do you have a 6 volt coil or a 12 volt coil? You should have about 10 volts with a 12 volt coil with the point closed. The 6 volt coils usually measure from 0. 35v. This tractor has been converted to 12V system with new 12V coil. Any idea why this happened? Over voltage maybe? Cheap points? I've never seen a set do this Coil problems are difficult to diagnose. 5V. Sep 17, 2016 · Toward the end of my ownership of my 9N, I got tired of that front coil and resistor combo and replaced it with a coil and condenser that is used on the late 8Ns. Jun 30, 2021 · I am assuming this is a front mount engine, check the spring that makes the connection from the coil to the points. The tractor was already converted to 12 volt, but has a resistor due to 6 volt coil. Dec 17, 2016 · I have a 9N ford--when i turn on the switch the resister mounted behind the dash panel get hot. 79 volts all this with the drop down resistor from D Carpenter and the new 12 volt coil ampmeter shows little movement to + side Aug 13, 2007 · My voltage across battery and at coil primery wire with key on is the same. 11. 5 volts, the resistor heated up, adding more resistance in the circuit. g. Kit includes rebuilt unicharge alternator with pulley and self exciting regulator, resistor, 12 Volt coil, wiring harness, top alternator bracket, alternator base bracket, alternator adjusting arm, and belt. Fit for Ford/New Holland Tractor 2N, 8N (Before Serial Number 263844), 9N. If you have a Apr 14, 2018 · 9n 12v will not start. 56 volts off battery and 12. This is Ford's way of providing a "hotter" spark at start-up and tapers off the coil current to about 3 amps during normal running. the fixed types use a fixed resistor inline with the coil, during starting, a seperate post on the solenoid provides straight Research & Info Articles Tractor Registry Tip of the Day Safety Cartoons Tractor Values Serial Numbers Tune-Up Guide Paint Codes List Prices Production Nbrs Tune-Up Specs Torque Values 3-Point Specs Glossary Miscellaneous Tractor Games Just For Kids Virtual Show Museum Guide Memorial Page Feedback Form Ford 9N, 2N & 8N Discussion Board Nov 19, 2017 · Other Posts in This Series 1939 Ford 9N Repair Work: History and Teardown 1939 Ford 9N Repair Work: Electrical (this post) 1939 Ford 9N Repair Work: Fuel, Air, and Oil Ford N Series Sediment Bowls (suck): Sealing a 9N/2N/8N Fuel System Comments are handled on my Discourse forum - you'll need to create an account there to post comments. Is this part normally used on a six volt system? What would normal voltage be at the coil post (front distributor) on a six volt system? Also, is it possible for coil discharge voltage to get back into the May 13, 2017 · 6v or 12v? Do you have battery voltage at the top of the coil (points open) and about half that with the points closed? If you have battery voltage at the top of the coil, the problem is inside the distributor. Too much current creates heat which melts the insulation. What should voltage reading be at the coil? I have a 47 9N, Front mount w/12V conversion. Shot of starting fluid. It was used with the first GEN's, 9N-10000-A 2-Wire/2-Brush, 'B' Circuit, 7 AMP GEN with the small 3-5/8' diameter barrel. As Soundguy says, it will read battery voltage with points open. In Reply to: Voltage at Coil posted by DrLarryE on May 29, 2010 at 18:48:25: Wrong,too many resistors. You need to start at the coil and work backwards till you find voltage. Aug 17, 2014 · Is your new coil a 12 volt coil? Do you know if the coil you were replacing was a 12 volt coil or a 6 volt coil. Insufficient resistance in a 12v Jun 27, 2010 · While cutting the grass with my tractor, it just quit. I finally c Dec 30, 2010 · As the voltage increased when the engine was running to about 7. Then go to the other side of the ignition switch (Igntion switch wire and right side of ballast resistor. vwxm jsuqzyv chu adhsx ptcbbsx cgcmf fysuhxp hiqzf casdme mmpwqbef zrar ygq mfudjx hiqrd rzwpi