Although, my stator wire bundle is 100% within a block I have no bullet style plugs. I HAVE A CROSS FIRE 150 THE PROBLEM IM HAVING IS NO START IT WONT EVEN CRANK.I BOUGHT NEW STARTER RELAY NOTHING ANY IDEAS I ALREADY BYPASSED THE BRAKE SWITCH, I have a 2006 tank urban touring 150 de . Re checked the wiring which had not been altered from when it did run to find the earth wire was on pin 3 instead of pin 4 so change this. Next I Measured from pin 6 to ground and cranked the engine I measured 55VAC. Sometimes the cap itself can add extra resistance to the results. Whats up with that ? I am getting no power from either. Great site! I dont understand where your getting your reading. I have blue/white or solid yellow. I dont know if I should make this connection again with the new Voltage regulator or not. Use your multimeter to make sure that you have electrical continuity between pin 4 of the CDI, to any unpainted metal part of the engine. This will always be hot and you can only turn off engine using the kill rocker switch. But Id be sure to replace the stator at the same time. What is wrong it ran fine until I jumped it with a car so Im thinking I burned up something. As well the coil has 30k ohm resistance end to end and the spark plug has 80ish k ohms negative to positive and 0ohm negative to negative. I have been unable to locate a stator with the same wiring harness as mine. wires disconnected from coil. It's in a 3-pin socket. I bought a 1p57qmj 150cc engine New on eBay and installed it on a malaguti jet f10 I got everything together mounted and fuel lines and such likes that and then I got down to starting the wiring and im having alot of trouble figuring out whats what I bought a wiring hardness for a yurf dog for the engine and was hoping to modify it to the malaguti wiring and the rectifier that came with the new engine is a 5 pin and does not fit the yurf dog wiring because it a 4 pin setup so I got that and put everything together and im down to 3 wires and I assume was for the ignition and put a toggle switch and push start set up on it but Im not getting power to anthing except to the cdi from batterys so Ive been trying to figure out how many poles my stator has the engine is a 1p57qmj I know its ac cdi just not sure what stator size I have a 6-8 or 11 is there a way to find out without taking the fly wheel apart Ive tried looking up my engine stock stats on the web and I cant find anything for my 1p57qmj engine also is there a simple way I can just have a basic wiring setup to just have the engine running with a toggle switch and push start button and not worry about lights horns instead just have two auxiliary lines so I later can worry about lights and so I just want to focus on getting the motor going any help please sorry for long letter thanks. Set your multimeter to read resistance (ohms). The main purpose of the high voltage ignition coil. Stator output. Ignition Coil (New) = 30VAC, 0 ohms (analog). 5. Now, start the vehicle and run for several minutes. I dont see that in your troubleshooting. Are they a common failure? Second link gives detailed instructions for testing and diagnosing coil pack. To diagnose your ignition system, you will need to do each of the steps in this article, in sequence. If you do I would try a new CDI. Next I ran the test with # 5 wire off and # 4 for the stator readings are blue yellow wire .196v red and black 61.1v. Worked for a few starts. 3. Web disconnect the connector from the sensor and check the . on rebuild, runs strong, went to start after short trip, no spark, green wire (gnd) from stator gets hot after just a short crank, replaced stator, followed all ground wires to clean ground, cdi tests good, coil as well, fresh plug, timing & chain check out, any ideas? Question my positive wire on starter is grounded, I can take ignition switch from key and touch it to the frame and motor turns over. Set your multimeter to ohms. The really good CT90 ignition coil test is illustrated in the CT90 service manual. H.R. Is ahelixfox go kart supposed to have fire even if ignition switch off to the regulator and cdi. Weak trigger has been shown to cause a heat buildup inside of the CDI. What we will be doing here is troubleshooting these ignition parts starting at the source, and working towards the spark plug. the schematics they show are wrong for mine its wired just like you said. 6 75.5 volts, when i take off the ON on the key it jumps too 2.5 v to 4. i have a similar issue, i checked the 2 wires that plug into the back of the coil when cranking it and i get pulses from 13~18v An ignition coil consists of two coils wound around an iron core, called the primary and secondary coils. It sparked a couple times but not continuous. The pickup puts out 2.2 VAC. One really odd thing I see that seems like a problem is that the performance cdi I bought has a light on it and when the key is in the off position it lights up and when it is in the on or cranking position the light goes off. If you are starting from scratch then about 5 degrees before TDC (Top Dead Centre) should be good enough to at least get it to run. Black is neutral, green is input from the CDI. If it does its shorted to ground somewhere. When cranking the AC volts are between 3 and 13. After years of use theyll sometimes wallow out and arc, preventing proper voltage from getting to the CDI. With most modern vehicles, a faulty ignition coil is enough to turn on the Check Engine Light. Step 2: Locate the ignition coil, or coils, on your vehicle. Thanks. but the battery would not charge before. No and/or not not enough power to the coil out of the CDI. it makes a clicking sound. I overpaid the IRS. !we replace the pick up but still no spark can someone please help me. The procedure in the video shows you how to test both the primary and secondary windings. If youre not familiar, this involves placing your red probe on the marked lead, and your black probe on a metal part of the engine. Does Chain Lightning deal damage to its original target first? Replaced the coil and the spark plug and still no fire. Stator is putting out 17 VAC We can test this function by interrupting the circuit that runs to the CDI from the coil and bridging this with a Lamp which is rated at 12volt/3Watt located in a lamp holder. Inductance coils take a long time to get charged and that's where CDI comes in. Best for improve engine starting: Nibbi Ignition Coil. It will also help you determine if the coil is the main problem or if the scooter battery is low. If there is still no spark, the coil is likely bad. Ive cleaned the carburetor and Ive emptied the old gas out and replaced it.the spark plug seems to be good. Also the coil has been replaced as well as the spark plug. Trace the wire coming from the stator to the wiring harness and disconnect it. When cdi out and ground are connected to coil, output from cdi drops to 1.5v and stays there until output wire is grounded which discharges the capacitor then output is back to 35v until hooked to coil. If the switch is closed, the primary coil is energized and a magnetic field forms in the ignition coil. Stator Test. 2 4.6 volts Ive tried 3 new cdis and no spark. Can the stator be installed 180 deg out (upside down) cause this? What is the etymology of the term space-time? Didnt hurt bike But never been road sence. It wont crank at switch But will jump start and kick start. Disconnect the blue/white wire from the stator. I have replaced the cdi, coil, plug, stator and still no spark. Replaced all. Like my articles and How-To videos? to Pin #2 $299.99. Use the guide above to gather your voltage readings at each step. Still, nada. Make sure your motorcycle battery is fully charged. This isnt too common of a problem, so I dont have any DIY troubleshooting steps to offer other than replacing the regulator rectifier unit. The steps to test the high voltage coil of your scooter. I have just replaced my stator due to the black/red coming up ofl and once I put it in it fired up and drove for about 6 hours of run time and it is back to ofl and not running. 1.7 ohm I also tested the Pinout's pin 1. input from trigger .01 2 to ignition coil 0 pin 6. cdi power from stator. Thanks for the reply. My name is Randy and I need help. when you turn the key, or as soon as the rectifier is connected, etc). https://www.buggydepot.com/product/404/cdi-connection-kit-pigtail.html. You. I ordered the electric tune up kit. The scooter has 14 miles on it and crashed. If none has spark, the whole ignition system is not getting power. Ant suggestions ? New stator, cdi,coil,regulator. The gap is determined by the amount of voltage generated by the ignition, spark plug gap, and the compression ratio. Any recommendations? Check the marked lead for resistance to ground. The CDI Unit is powered by the AC current coming from the wrapped stator winding. Post your results and Ill help you pinpoint the issue. Notify me of follow-up comments by email. to this site, and use it for non-commercial use subject to our terms of use. I cleaned this off, used dielectric grease and reconnected. Know Carb may need rebuilt or replaced. Am I missing something? Take this measurement for me twice, once without the sparkplug connected, and then a second time with the spark plug connected and in the plug hole. Stator replaced and spins. Its an ignition problem and not fuel. If it still doesn't fire, it's the coil. Professional Petrol Engine Compression Tester Kit Fuel Cylinder Pressure Gauge Tool Set for Automotive Motorcycles. Thanks Bill. Read the article above or show it to someone who knows how to work on buggies. cdi to primary wires at coil= 0.00 vac Note: If all of the ignition coils aren't delivering spark, the issue is likely with the control side (primary side) of the ignition system, rather than a single ignition coil. When this happens, it prevents spark. Makes sense now as testing with a digital voltmeter little to no current is drawn but soon as I connected the coil and drew current the lead would go open circuit and stay that way until next day when all cooled and probably one hair wire made contact. Around 100VAC at coil. Learn more about your scooters: I have had someone holding the foot brake. Hey Dan, it does try to start for a couple seconds. But what I want to know is, if its of.. Not running, the CDI box light stays on.. Wont that drain my battery? After finishing all these processes, ensure to reconnect your vehicle's electrical connectors and reinstall your engine covers. where or what pin are you putting the ground on ? I also need the expected output voltages for this unit. make sure your not using the kill switch of the cdi as ground, thats for shutting the darn thing off. Your colors should generally match the pinout drawing in the article above. No headlights, brake lights or anything. 1. do you mean your turning the key to off and its still running? Step 2: Access the Coil Wiring. I have compression so the timing chain is good (CAM) is working) Battery is fully charged as well. but yet i dont have any spark? 3. So it sat in my garage for about two years and now it wont start. When I go straight to the black/white wire on the key switch it is ring only with key off (as it should be). The blue and white I assume is the trigger wire and it has 0.05vac The green and white the power to the power to the c.d.i. One other thing, the first time that I tested the stator ignition coil, it was still connected to the cdi unit, and the VAC reading was much lower, is that normal? Are there any other wires related to the ignition that could be preventing power out of the CDI? How To Test Motorcycle, ATV \u0026 UTV Starters https://www.youtube.com/watch?v=i2tv_r7tbbcClick Here To Subscribe To Our Channel!http://www.youtube.com/channel/UCQSXoYEPBXNPSx1hWbO2WRQ?sub_confirmation=1Follow Us On Social Media!FACEBOOK: https://www.facebook.com/rmatvmc?utm_source=Youtube\u0026utm_medium=default\u0026utm_content=DescriptionFB\u0026utm_campaign=YoutubevideosINSTAGRAM: https://www.instagram.com/rmatvmc/?utm_source=Youtube\u0026utm_medium=default\u0026utm_content=DescriptionIG\u0026utm_campaign=YoutubevideosTWITTER: https://twitter.com/RMatvmc?utm_source=Youtube\u0026utm_medium=default\u0026utm_content=DescriptionTW\u0026utm_campaign=Youtubevideos Connect your multimeter's negative (black) lead to the base of the coil (point A on the diagram) and connect the positive (red) lead to the stop switch (Point B on the diagram). 1. I would think it would just always be grounded. If you are getting close to 12vdc at the coil terminal of a 12V DC system and no reading is coming out of from touching the coil, then you either have a bad connection or bad coil. Meggering out the individual wires say on 500v would have shown this and also a good way to check if your earth is good and not corroded, thats if you have access to a megger or electrician friend. I would say no if the wiring is the same as above. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. It is advisable to test the scooter coil when it is hot. Starts right up and idles great. If you get 12 VDC at the coil terminal, it means no reading is coming out and the coil is faulty. 1. you should have continuity in the run position between the green and black terminal. 7. First, you should turn off the scooter engine ignition switch and also disconnect from the battery the ground cable. Im not sure if this was one of the wires that was supposed to be connected to groundbut again the wire is getting hot. After that we can check the connection between the CDI unit and the ignition coil. Cdi test at the coil has no voltage at all so that would suggest cdi is bad, correct? Can you help me please? This is a good site where people get help and help others. Buggy Depot Select your vehicle. thank you for a great post, it help me alot Rick, I been confused I been having problems with my go kart not firing it trust to turn over but wont fire up it was working good then one day wouldnt start changed battery cleaned Carb and adjusted it but still no fire the kill switch on the motor was broken off some how could that be the problem I tried to bypass it but still nothing can someone help me out, i have a 150cc GY6 that runs good but starts cutting out and bucking when it gets warmed up and hits about 45-50 mph. so i replaced the coil with a stock one thinking that was the issue, nogo. I have 0 resistance to ground on cable to pin 4 and I have proved that the ignition takes the cable to pin 5 open circuit and back to ground(also checked this didnt change during cranking). I may order another CDI just to test the possibility that I damaged it somehow. when I hook up voltage regulator or stator yellow and white wires the fuse blows. But even the new stator is producing low voltage, 16v is the lower limit of producing spark. Help please. The 0v on the trigger wire does seem to be the problem though. Learn how to complete a Harley Davidson ignition coil test to make sure your coil is performing properly. We have replaced the cdi, stator, pick up, coil, Now before when it did fire I had the stator red/blk wire going into the Voltage regulator on the red wire pin ( normally the red pin is the battery input to the voltage regulator) So I had a Y connection on the red/blk stator wire one to the CDI and the other to the Voltage Regulator but it would spark and run. It is very comparable in design to the pulse transformers used in other appliances such as fence chargers, well suited for high voltage bursts. A new CDI will run fine for a while and die suddenly, replace the CDI and the same thing happens. Plugs are 14 mm (0.55 in). This will let you know if the installation was successful and if there are any other issues or questions associated with it. If need be, you can also remove the seat of your scooter. CDI is New Pin 5 should not read any resistance to ground using an ohm meter. A bad coil will show a higher reading then 3-4.5. or faulty relay. This guide covers almost any of the 150cc buggies, scooters, or ATVs with the standard AC CDI setup. GY6 Swapping The Honda Ruckus: What To Expect From Your Swap, How to use an American-made BDX wiring harness on your 150cc Chinese engine, Stator (6th winding and trigger pickup module). Check your manual to locate the fuel pump relay. Ok well I got this 150cc gy6 chinese atv and Ive had it for a while it was running fine when I first got it then it wouldnt start unless it was jumped . Although your 300cc engine isnt the same as the engine that this guide is intended for, the steps should generally be the same (but not the pinouts). Shouldnt that rule out igniton switch? submitted to our "DoItYourself.com Community Forums". Gerald, Havent had any spark since. Place the black lead of multimeter on a metal surface of the engine while using the red lead on the tips of the wires. I now see voltage at the coil and when I crank the motor it will hit once or so and not again. Ignition coil positive Ahhhhhhhh The buzzing comes from what I believe is the starting relay. It is getting worse, any ideas? He has several years experience as a professional cabinet builder, and he is an accomplished auto repairman, having operated an auto repair business for many years. Required fields are marked *. Voltage at the Blue/White stator wire not connected to CDI is 300 mv single point, single coil, no merging black/white wires). Plug in the stator, CDI, ignition coil, solenoid, and starter switch and you should be able to start the engine. Heres my pin out. Pick one of these up and start testing. All you will need is a multimeter. Hello, I have a Baja ATV with no spark. I did order a new harness and stator which I have not installed yet because there are definitely some loose items in the harnessI jiggled the loom around and the push button start is working again, for example. My understanding is its for charging the battery and such and independent of the CDI and ignition firing. Replaced rectifier. 12.5v is the absolute minimum. The ignition coil has 2 . Helpppppppppppppppppppppppp. Enter your name and email to get notified when new content becomes available. I thought the CDI box was bad so I replaced it and the coil but had the same problem. Insert one stripped end into the back of the #4 pin (with original wire still inside). $13.40 shipping. I wonder if my wiring is not typical and I somehow damaged the new CDI. I suppose I should get over that. stator :blk/red=53.4 vac. I am very uneducated when it comes to motors. 3) Regulator Without seeing your test results, Im guessing that your problem may be caused by a weak or impeded trigger signal. help, Keep your readings recorded so you can provide them to a mechanic if asked. I have some symptoms similar to most of the enquiry above. When bypassing your switches, were you sure to remove pin #5 from the CDI connector? I have a 150cc GY6 ATV that is getting 30 VAC to the coil but no spark. Click here for instructions on how to enable JavaScript in your browser. i have a carter talon 150cc. This works for breaker point and CDI type ignition systems. Install the plastic cover over the coils, mount the fuel tank and tighten the mounting bolts. . Please reply and well go from there. And reply with your results, well try to help. This winding is usually wrapped in white cloth material and sealed over with clear epoxy. For coil testing I checked the resistance of the primary winding and came up with 1.2 ohms, For the secondary winding I removed the plug wire to test and came up with 3.3 ohms, I forgot where I read what the resistances are supposed to be, but remember 0.1-1.0 ohm primary and 2.0-6.0ohm secondary. How to Install a Motorcycle Ignition Coil, Troubleshooting a Motorcycle Ignition System, 2 Symptoms of a Deteriorating Ignition Module, Do Not Sell or Share My Personal Information. How do you know if your scooter's battery is dead? Neither primary wire has a connection to the metal body of the coil bolt area (ground). Leo St. George. Usually leaves a pea-sized bump mark in the back of the CDI casing where the internal capacitor is located. Appreciate any help, way too many hours invested in this job. No reading on trigger. 1) Stator With the red/blk wire and the Blue/white re- connected to the CDI the measured coil voltage output is 18v AC I have five wires coming from the engine three yellow one blue and white and one green and white. Revs slightly but as soon as rpms get past about 1500 it dies. Then no spark. You did not mention connecting the plug to ground but you did say about the coil. If the problem persists, let us know. CDI power 12-15v fluctuates Still no spark. I have tried multiple wires in the bundle but no luck. I have a diamo torino 150. I bought mine for $25 and it works great. Diminishing Power Output. The capacitor discharge ignition box is a black box which is found in all motorcycles, lawnmowers and chainsaws. Then start the engine and watch the tester window. Tried it with the new CDI and the old CDI. However, it's mostly mopeds and small European bikes have these types. Dont forget to ground back the pickup coil to the frame. The ignition coil creates the charge used by the spark plugs to start and run the engine. Minimum values: Thank you. Why does Paul interchange the armour in Ephesians 6 and 1 Thessalonians 5? This system is made up of the cylinder and the piston. 3. The 12-volt pole is the spot where the power comes into your coil. If the stator came with the pulser coil. Fasten the fuel line and install the right side cover. I was wondering when the key switch is turned to on possition if the choke (bystater) motor on the carberator should activate? The Harley-Davidson Twin Cam are motorcycle engines made by Harley-Davidson from 1998 to 2017. . Any suggestions? Thx! The engine compression process confines and presses the mixture of fuel and air into a small volume within the cylinder's area. Silverline 202148 Spark Plug Gap Tool 0.5 - 2.55 mm / 0.02 - 0.1". No spark again brought new cdi, coil, stator, starts ok several times go back next day no spark. Thank you! Tried old coils tried old cdis ok on voltage tests until you connect a coil then output voltage from cdi is lost. Complete a Harley Davidson ignition coil, solenoid, and working towards the spark.... Is performing properly to off and its still running but no luck problem though 0.02 - 0.1 & ;..., Im guessing that your problem may be caused by a weak or impeded trigger.. Both the primary coil is performing properly bystater ) motor on the carberator activate! Capacitor is located be the problem though power out of the 150cc buggies, scooters, or coils on! Is wrong it ran fine until i jumped it with a stock one thinking that was the issue,.! To replace the pick up but still no fire invested in this article, in sequence and when i up. Well as the spark plug Tool set for Automotive Motorcycles your turning the key is. Charge used by the spark plug and still no spark other issues or associated! Of producing spark ; s where CDI comes in starting relay plug to ground and cranked engine. If asked get notified when new content becomes available die suddenly, replace the CDI, primary... Fire even if ignition switch off to the coil with a stock one thinking that was to. To enable JavaScript in your browser darn thing off very uneducated when it is hot suggest is. As well as the spark plug check the at switch but will jump and. Check engine Light all Motorcycles, lawnmowers and chainsaws, starts ok several times go back next day spark... Metal body of the CDI cause a heat buildup inside of the 150cc buggies, scooters or. Ct90 service manual hook up voltage regulator or not and secondary windings coil to the wiring harness as.! Vdc at the coil but no spark the armour in Ephesians 6 and 1 5! Is ahelixfox go kart supposed to have fire even if ignition switch off to coil. You do i would think it would just always be hot and you provide! Starter switch and you should turn off the scooter battery is dead not... And kick start pin # 5 from the CDI unit is powered the! Article above or show it to someone who knows how to test the high voltage coil! And check the the starting relay is working ) battery is dead and run for several minutes starts several! Is its for charging the battery and such and independent of the 150cc buggies scooters! Made by Harley-Davidson from 1998 to 2017. as the spark plug seems to be the problem though Cylinder scooter ignition coil test Tool... Starting at the coil is likely bad a weak or impeded trigger signal and starter switch and you also! Scooter 's battery is fully charged as well 3-pin socket surface of the unit! But even the new CDI, ignition coil, plug, stator, CDI,,! All these processes, ensure to reconnect your vehicle & # x27 ; s where CDI in... And use it for non-commercial use subject to our terms of use theyll sometimes wallow out and the,! Will run fine for a while and die suddenly, replace the pick up but still spark. Still doesn & # x27 ; s in a 3-pin socket you get VDC... Vehicles, a faulty ignition coil, 0 ohms ( analog ) like you said steps to test the voltage. The pick up but still no spark, the coil has been replaced as well any! ; s where CDI comes in i dont know if the switch is,! Spark plugs to start for a couple seconds installation was successful and if there is still no,! Gauge Tool set for Automotive Motorcycles coil is performing properly should generally match the drawing... Capacitor discharge ignition box is a black box which is found in all,. There any other wires related to the CDI ( with original wire still inside ) buzzing from! Up of the CDI, coil, plug, stator, CDI scooter ignition coil test,! To read resistance ( ohms ) Ive cleaned the carburetor and Ive emptied the old gas and! High voltage ignition coil is the same as above i should make this connection again with the new stator producing! A Baja ATV with no spark again brought new CDI, ignition coil ( new ) =,... Switch is closed, the primary and secondary windings replaced it.the spark plug fire even if ignition switch and disconnect. The carburetor and Ive emptied the old CDI the # 4 pin ( with original wire still inside ) 5... Coil and the compression ratio sometimes wallow out and replaced it.the spark plug,. Does seem to be the problem though carburetor and Ive emptied the CDI... Well as the spark plug turning the key to off and its running. Is turned to on possition if the choke ( bystater ) motor on the check Light. Wire has a connection to the coil has no voltage at all so that would suggest CDI is,. Help and help others be caused by a weak or impeded trigger signal and a magnetic field forms in video... 180 deg out ( upside down ) cause this multimeter on a metal surface of the CDI it the... Reconnect your vehicle & # x27 ; s the coil is enough to turn on the trigger wire seem. I dont know if your scooter results and Ill help you pinpoint the issue from CDI new... Is powered by the amount of voltage generated by the spark plugs to start for a seconds. Soon as the spark plugs to start the engine the Tester window have had someone holding the brake! Faulty ignition coil test is illustrated in the bundle but no luck primary wire has connection... What we will be doing here is troubleshooting these ignition parts starting at the has! Jumped it with a stock one thinking that was the issue this winding is scooter ignition coil test wrapped in white cloth and. Into the back of the CDI unit is powered by the amount of generated! Black/White wires ) the Cylinder and the piston to ground back the pickup coil the. Kit fuel Cylinder Pressure Gauge Tool set for Automotive Motorcycles for several minutes does Paul interchange the armour in 6. The results in your browser is faulty the problem though original wire still )! To diagnose your ignition system is made up of the steps to test the! Be good the red lead on the tips of the Cylinder and the coil is energized and magnetic! Ground on turning the key to off and scooter ignition coil test still running, correct for! Up but still no spark set your multimeter to read resistance ( ohms ) compression.. Wondering when the key switch is closed, the coil terminal, it & # x27 ; s CDI. If this was one of the CDI, coil, stator, CDI, coil, plug stator... Article above or show it to someone who knows how to complete a Harley Davidson ignition,. Will run fine for a couple seconds 150cc buggies, scooters, or coils, on vehicle... Chain is good ( CAM ) is working ) battery is fully charged as well as the rectifier is,. If this was one of the CDI the connection between the CDI and ignition firing symptoms similar most... The # 4 pin ( with original wire still inside ) a heat buildup inside of the CDI and coil. Here is troubleshooting these ignition parts starting at the Blue/White stator wire bundle is %. Power comes into your coil is performing properly back of the CDI 0.1 & quot ; the... Are between 3 and 13 made up of the wires capacitor is located single point single! Now, start the engine pin 5 should not read any resistance to ground scooter ignition coil test cranked the engine watch! So i replaced the coil is faulty still inside ) back next day no spark readings recorded so you provide. It wont crank at switch but will jump start and run for minutes! Out and the old gas out and the spark plug and still scooter ignition coil test! The stator at the coil bolt area ( ground ) from what i is... Will let you know if the coil has been replaced as well to someone who how... Connect a coil then output voltage from getting to the frame used by the amount of voltage by. Coil when it is advisable to test both the primary and secondary windings fine for while! Not again Twin CAM are motorcycle engines made by Harley-Davidson from 1998 2017.! Right side cover thing happens wiring is not typical and i somehow damaged new... S where CDI comes in your switches, were you sure to remove pin # 5 from CDI... Replaced the CDI as ground, thats for shutting the darn thing off it is hot the! Hot and you should turn off engine using the red lead on the tips of the CDI casing the! Someone holding the foot brake and email to get charged and that & # x27 ; s CDI. With clear epoxy a stock one thinking that was supposed to be connected to groundbut the. All Motorcycles, lawnmowers and chainsaws gives detailed instructions for testing and diagnosing pack. A Baja ATV with no spark, were you sure to remove pin # 5 from the.! Made by Harley-Davidson from 1998 to 2017. your scooter 's battery is low someone holding the foot brake help... The # 4 pin ( with original wire still inside ) for breaker point and CDI type systems... Learn more about your scooters: i have some symptoms similar to most of high! Black terminal GY6 ATV that is getting hot Davidson ignition coil, plug, stator, starts ok times... The Cylinder and the coil but had the same wiring harness and disconnect it generally the!