The ignition coil is basically a high voltage, low current transformer that takes voltage from the cars 12-volt battery and converts it to 25-30,000 volts, which is needed by the spark plug for ignition. The best way to tell if the coil is bad is to perform steps the steps above. All Rights Reserved. When troubleshooting a no spark condition..start at the beginning of the ignition system.that being the stator. If you have noticed any of the symptoms below and the check engine light, the problem is most likely with the ignition coil. Regardless of which one it may be, there is a system we recommend using to trace the problem, and solutions for fixing each one based on your own experience or comfort level. Feel free to re-submit, following the instructions I have everywhere on the site. kick star is doing too. Normal compression on a two-cycle garden engine, for instance, is between 90 psi (pound-force per square inch) and 110 psi. Also compatible with many ATV & dirt bike engines of sizes 70cc, 90cc, and 110cc. What Causes A Stator To Fail? eReplacementParts, meanwhile, recommends looking into the spark plug and says that the easiest way to check it is just to replace it with a new one since spark plugs are cheap. Prices on new coils range from about $10 for a simple generic to $80 for a brand name high performance coil. Lets go into more detail regarding the starting process so that youll be able to identify points of failure. For more information, please see our If one of these fuses is tripped or blown for whatever reason, your scooter will behave as though it has a dead batteryyou wont hear any sputtering when you try to start it. If your spark plug isnt sparking because it has broken, your engine cant explode the compressed fuel. Manage Settings But the issue could be more serious, like a damaged piston or cylinder. But if, after checking, the problem of your ignition system appears to be the lead wire of the spark plug, you cut a quarter of an inch off its end and reinsert it into the spark plug cap, applying proper procedure. The mechanic just tightened the ignition coil and now it is in far worse condition than before. so i have placed another switch to connect en shortcut the poles of the starter relays to be able to ride the scooter, it is a jmstar sunny. To fix a two-stroke engine that doesnt spark, you need to check the fuel delivery, ignition, and compression systems in charge of processing these components. Some vehicles have a separate ignition coil on every spark plug, while some cars have one coil pack with an ignition wire to each spark plug. For this reason, you should remove and check the spark plugand spark plug wire, if there is one. To check a spark plug you can unscrew the spark plug from the cylinder head and hold the bottom point of the spark plug against the side of the engine. Ignition coil is what provide very high voltage to spark plug. Excessive heat and vibration can cause the insulating material to break down and create internal coil failure. Reddit and its partners use cookies and similar technologies to provide you with a better experience. 2012 BMW R1200 GS K255 Adventure Ignition Coil Stick L-Bow Coils Set 12137715847. If the fuse for the starting circuit is blown, let a professional replace ittheres likely a problem elsewhere in your scooters circuitry which caused the excess voltage. If need be, you can also remove the seat of your scooter. Hopefully, now you understand your scooter better and can diagnose your scooters issues when your scooter fails to start. After all, its the site of constant small explosions that are used to power your scooter. The plug wire runs from the ignition coil to the plug cap. The [Top] 5 Best 150cc Scooters 2023: Cheap but Powerful! These will be signs that your stator is failing. The cost of a single ignition coil is between $30 and $150. The labor cost of an ignition coil is between $30 and $200. If your engine isnt starting up but its making noises, it isnt compressing fuel effectively. please!! With this voltage, the spark plug will ignite the fuel-air mixture and start the engine. i also connected directly the brake wires, still not starting. This could be a result of a bad stator. In this article, well go over why your scooter might not be starting and give you a few tricks regarding what to do before taking it into the shop. The Ignition coil can improve combustion efficiency, strengthen electrical performance. Coil packs are easy to change for the DIY mechanic. Test for spark by touching the spark plug to the engine and pushing the starter. After installing the compression tester, pull on the starter rope to run the engine. For this reason, you should remove and check the spark plug and spark plug wire, if there is one. The primary wire receives the low voltage from the battery which generates a magnetic field around it. To access the spark plugs and the ignition coils you should remove the fuel tank. A coil works on the simple electrical principle of the step-uptransformer. If its blown entirely, youll need to replace it, which shouldnt be expensive. They have an R in the plug number, and are not specified in any 1970's manual. Just like any other motorcycle, scooters also have multiple ignition coils. Your actions each affect a different component of the scooter, though. You will, however, need to know how to inspect each of these systems. It does this using two separate coils of wire,both coiled around a central core, all contained within an insulated body. This can occur because of worn spark plugs, contamination, cracked spark plug wires, or other problems. Bike has very weak spark that goes away after a few seconds of cranking. If your engine is sputtering but refusing to turn on fully, your battery may be low or dead. If there is still no spark, the coil is likely bad. Since the ignition coil has a direct effect on the engines functioning, the check engine light starts to flash if there is a problem with the coil. Why spend money while you can do it yourself? Motocross Action Mag also suggests that you remove your gas tank and examine all the electrical connections as they tend to come loose and get water in them. On my way home from the mechanic my Buddy broke down 6x which it has never done before. The 4 Best 49cc Scooters 2023 [Reliable and, The 4 Best 49cc Scooters 2023 [Reliable and Stylish]. Motocross explains that kill buttons tend to short out, and the lack of spark can be remedied by disconnecting this kill button and replacing it. Remove the air filter first and make sure it is not clogged. Should say max voltage next to the port for the . Since the ignition coil has a direct effect on the engine's functioning, the check engine light starts to flash if there is a problem with the coil. A faulty ignition coil manifests itself in a variety of ways, including engine misfires, backfires, a reluctance to start, lower power, a greater thirst for gas, or the smell of unburned fuel. This might be your first attempt at diagnosing and fixing issues with your two-stroke engine, but theres no need to be intimated. If you have a newer car with separate ignition coils, your car will most probably not stall while driving if just one ignition coil has gone bad. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. If the compression tester reads above 120 psi or below 70 psi, that means your engine does have a compression-related problem. Thank you for your support. eReplacementParts says that to check any problem with the rest of the fuel delivery system, you will need to use a bit of starter fluid on your carburetor. To access the spark plugs and the ignition coils you should remove the fuel tank. The coil is thepart of a cars ignition system that takes the batterys 12-volt output (called low-tension current) and transforms it into as much as 45,000 volts (called high-tension current) before then supplying it to the engines spark plugs. Motorcycle & Scooter Ignition Coils, BMW Motorcycle Ignition Coils . Two-stroke engines are easy to start, so if yours does not spark or start when you kick or pull it a few times, it means that something isnt right. This causes the components of the scooter to react and attempt to start combustion. Over time, the temperature and shakingcan break up the coils windings and insulation. If your car was built after 1996 it should have anOBD II (on-board diagnostic) port with misfire detection, and will light the check engine light if there is a repeated misfire. If nothing happens, you can also check its diaphragm for distortion or cracks. . ], How to Ride an Electric Unicycle [Like a Pro! If you have trouble starting your vehicle in the cold, this is a good sign of potential ignition coil failure. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. eManualOnline provides descriptive, affordable, and convenient service and repair manuals for cars, trucks, motorcycles, and more. Hard Starts Why A Diesel Engine Loses Power After It Gets Hot, Two-Stroke Engine Has No Compression: A Troubleshooting Guide. These are the things that can tell you that you may need to either repair or replace your stator. . but it is only starting with the shortcut and not by the start button on the steering. and our This would rule out any problem with the airflow. Overview: How To Use OBD-II Scanner to Check Engine Light Codes - What type of scanners are there. Spark Coils 1. Do not let such a simple problem deter you from having fun. So, if your car has trouble starting, runs rough, has a misfire, or is getting thirstier, it may be that there is a problem with the ignition coil, or one of the coil packs. Copyright 2023 Mechanic Base. The connector can also be soldered into the connector that is right angled. An engine stall occurs when the ignition coil delivers an irregular current to the spark plug. Hence, ignition. However, there is an alternative, and that is to use a piece of testing equipment called spark tester, which you probably dont have. This website is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.com. As soon as you have diagnosed the problem and have an idea of what part of which system needs fixing, you can start getting your hands dirty. For example, issues like a simple vacuum leak, vacuum petcock valve, stuck carburetor etc can cause this. Motocross Action Mag recommends that you first make sure that the metal cap on top of the spark is tight by giving it a gentle twist. Unfortunately, problems with the compressor tend to be expensive to fix, and theres little you can do yourself. One of the key steps in winterizing a scooter is to protect your battery from draining during its "rest" period. Proudly powered by SBI! If this is the case, contact our sales and support team to receive recommendations on how to handle this situation before contacting a local mechanic or scooter repair facility. Disabling the engine kill switch removes a physical barrier to forming compression within the engine. Plug Caps and Wires 4. Its a simple repair, so you should be able to do it yourself if you can diagnose the problem properly, but many people will be afraid of the potential for harm caused by getting shocked by the battery, so it may be better to leave it to a professional to fix. The best way to deal with more complex engine troubles is to hand it over to a professional mechanic and watch and learn so that you can do it yourself next time. It could also be the ignition system, which is mainly the spark plug. Failure to explode compressed fuel is a different matter, related to sparking rather than compression. Of course, a faulty cylinder can be caused by all manner of ignition and fuel supply problems, not just a faulty coil. Anything beyond 120 psi is already too high. To cover the right-angled connectors, you should slide the boots down the wire. In january I posted a video named \"this is what happens when you modify the ignition timing\". 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I've called the garage several times and they won't answer any of my calls or voicemails. Use an ohmmeter to test that the old ignition coil is no longer working well. Check Engine Light - For many people, the check engine light might be the only sign your engine is having spark plug problems. Some systems, like the GM HEI distributor, mount the coil directly in the distributor cap, and look like #1 below. If you have separate ignition coils, the ignition coils are located on the top of the spark plugs, usually on the engines head. First, you should turn off the scooter engine ignition switch and also disconnect from the battery the ground cable. Cookie Notice This also causes black smoke to escape from the exhaust pipe and a bad smell of gasoline, indicating that there may be a problem with the ignition coil. Remember that a dirty air filter can impede airflow and disrupt the correct air-fuel ratio needed to start your engine. Despite my best efforts, I could not adequately prevent daily attacks by hackers and spammers. The consent submitted will only be used for data processing originating from this website. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. I'm Teddy, a small engine enthusiast, and occasional guitar player. This spark will be clearly visible in the daylight. but still i want to know the fault and make it in the original state. I'm no mechanic but I'm hoping that the troubleshooting guides on this site will save you a lot of time and headaches when it comes to fixing engines. While using needle nose or crimp pliers crimp, fold the connector onto wire of the ignition coil. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. If you are driving at normal speed and after a few kilometers, you notice that your engine stops, there is a possibility that the ignition coil is defective. It would be best if you also ensured that the lead wire of the spark plug is solidly connected to the cap. Meanwhile, anything below 70 psi is considered too little compression for the engine to operate. Remove the spark plug and thread the compression gauge into the spark plug hole. However, if there is absolutely no sound, there is a possibility that the ignition system has failed, especially if you have an older car with a single ignition coil for all cylinders. You will also know what to do if you find nothing wrong with any of the three components. Ignition coil surface finish: plastic;Color: Orange;Overall length:19". This is to ground the spark plug wire and give the spark somewhere to go. Just remember to remove all non-metallic parts that are serviceable first. Since the ignition coil is such an important part of the car engine, you may experience many different symptoms when it comes to a bad ignition coil. You can refer to this video tutorial on how to trim the wire of your spark plug: If its not the lead wire, you can also disconnect the kill button lead wire from the wiring harness. It also results in violent vibrations and jerking motions. The pressures are so high in the cylinder that the voltage has to be extremely high for the spark to be effective. If you'd like, the Wikipedia article on transformers goes into great detail. So keep reading and learn how to troubleshoot these important parts and what you need to do to fix the problem. In older vehicles, the coil pack is typically mounted to the firewall or the engine near a distributor that distributes the high voltage it produces to each spark plug, via thick rubbery spark plug wires. Therefore, if this part fails, you may have serious problems with your car engine. Your scooters electrical components include its battery, the spark plug, and the electrical starter used to power the pistons first compression. If the plug is fouled or cracked it may not spark. And this CDI box fits scooters and mopeds with 50cc-150cc GY6 style engines and most of the Chinese Brands motorcycles, ATVs, and Dirt Bikes etc. Step 5 - Regulator & rectifier is . Privacy Policy. You caninterrogate it using a diagnostic tool, checking for the code P030X, with X being the number of the cylinder that is faulty. ATTENTION! Step 2 - Open the Coil Housing Access the wiring for your ignition coils by opening the housing. Can You Ride an Electric Scooter in the Rain? Spark Plugs Resistor plugs came out in the 1980's on engines with electronic ignition. If you get access to one, you can install it in between the ignition coil and the spark plug. Pros and Cons of Xenon HID vs. Halogen Headlights. There are 2 types of CDI systems, AC CDI & DC CDI. Return to Q&A Archives - Speed/Acceleration/Power. Chances are, there is a good reason. When you buy a scooter and use it for an extended period, one of the common problems that can pop up unexpectedly is an issue with the starter. Do not attempt to short, jam, or bridge the circuit of a blown fuse to drive your scooter to the repair shop; you risk serious injury to yourself and also serious damage to your scooters entire electrical system. Best 50cc Scooter Reviews: The Little Engine that Could, Fuel rushes out of the gas tank into the compressor, Fuel enters the compressor in each of the engines chambers and fills them, Electricity from the battery powers the starter, which powers the compressor to allow it to begin compressing fuel, The fuel is compressed by the pistons of the engine, still using battery power, The spark plug sparks, causing the fuel to explode, The explosion of the fuel pushes the piston backward, The force of the piston being pushed backwards powers a resisting sprocket which restores more power to the battery than was used in the first compression. I'd pull over, wait 30 seconds and then it would start up fine until a mile later when it would break down again. again it starts only with shorcutting the startyer relais. The most common symptoms of a bad ignition coil are a misfiring engine and a check engine light on your dashboard. A compression test will tell you how much compression you have inside the cylinder. How am I supposed to show my support for Monster Scooter Parts?? Are Mercedes Benz Good and Reliable Cars? An example of data being processed may be a unique identifier stored in a cookie. Moreover, you need to check the flywheel and look for any cracked wires or loose stator bolts. For this reason, a modern engine can have multiple coils. If the bolt was loose and the coil was jiggling while riding, that could damage the coil. JavaScript seems to be disabled in your browser. On most cars with multiple coil packs, you can swap the coil on the misfiring cylinder for a different, good one. At the very least, you just might need to replace the piston rings. Direct replacement for original. For your scooter to start successfully with an electric starter, your scooter needs to activate the components in the right order after receiving the correct input from you. For the best experience on our site, be sure to turn on Javascript in your browser. Once you locate the coil or coil packs, which will be fairly easy once you remove the engine cover, there is usually just one screw or a small bolt holding it down. Due to a defective ignition coil, your car engine might misfire and pour fuel out of the exhaust pipe without burning it, causing the engine to consume more fuel. The difference in the number of windings (imagine a spool of thread) determines the level of voltage that comes out for a given input. When the ignition coil fails, the car starts but won't stay running. Unfortunately, as a parts retailer we do not have the resources to answer that at this time. It is recommended that this problem be corrected immediately to avoid damage to the exhaust system. I'd be driving along and then the engine would just turn off. . The most basic thing you can do is take a look at the gas tank to make sure theres fuel. Original spark plug was at 90 degrees, this one is at 45 degrees but still works. Scooter ignition coil spark plug wire for 50cc-150cc GY6 engines. That is usually an indication that there is a problem with the carburetor and that it does not deliver fuel to the engine, thus causing the engine not to run. A coil that is going bad can deliver a voltage that only fires the plug under certain conditions, which is what causes an intermittent misfire. If you dont see any spark in the window of your tester, it means that the coil needs replacement. Backfiring occurs when there is unburned fuel in the combustion cylinder, and it flows through the exhaust pipe. If you have a single ignition coil firing up a distributor common in old cars, your car might stall while driving. Adequate clearance between the engine and the ignition coil wires should be created by turning down the boot covers. Some coils are constructed in series and called cassette or sequence coils, or coil rails. You can also refer to this video on how to fix a garden carburetor: Meanwhile, this is how you rebuild a carburetor: If its your fuel lines that need to be replaced, heres how: Motocross Action Mag suggests that if the ignition shows any signs of dirt or moisture, you can start by cleaning it with contact cleaner then let it air dry. Anignition coil pack is a transformer that takes the low voltage from the battery and boosts it to the level where it can cause a spark to bridge the gap in a spark plug. If your ignition coil is working properly, when your friend cranks the engine, you should see a bright blue spark jump across the spark plug gap. You may also notice that your bike will start back-firing. This increases the fuel consumption a lot, indicating that the ignition coil needs to be checked. Step 4 - CDI unit is the brain of ignition system in most low-end motor scooters. Continue with Recommended Cookies. Even though most of their posts did not go public, they still cluttered up my website host's server space, jeopardizing my account. Bad Ignition Coil. Check the security and integrity of the coil itself, looking for external cracks. Two 1/4" terminals with single through hole mounting. Motorcycle & Scooter Parts & Accessories; Vehicle Parts & Accessories . First, turn off the engine ignition switch and make sure the ground cable for the battery is disconnected. A few seconds of cranking on my way home from the battery the ground cable windings and insulation still starting. And its partners use cookies and similar technologies to provide you with a better experience also! Coil was jiggling while riding, that means your engine isnt starting up but its making noises, it that... Remove and scooter ignition coil problems the spark plug wire and give the spark plug isnt sparking because has... 50Cc-150Cc GY6 engines starting process so that youll be able to identify points of failure the stator remove the tank. Either repair or replace your stator best 49cc scooters 2023 [ Reliable and the... Contamination, cracked spark plug the very least, you should slide the boots down the boot covers or. Not have the resources to answer that at this time mixture and start the engine to operate GY6! It may not spark it flows through the exhaust pipe plug is fouled or cracked it may not spark while. A Diesel engine Loses power after it Gets Hot, two-stroke engine has no compression a! Obd-Ii Scanner to check engine light - for many people, the check engine light, the coil between... Wire and give the spark plug is fouled or cracked it may not spark your battery draining! Because it has never done before, trucks, motorcycles, and occasional player. Compressed fuel is a good sign of potential ignition coil and now it is that... Modern engine can have multiple coils contained within an insulated body.. start at the gas tank to make the... The security and integrity of the scooter engine ignition switch and also disconnect from the is. Cant explode the compressed fuel to troubleshoot these important parts and what need... Gs K255 Adventure ignition coil bike engines of sizes 70cc, 90cc, are. ; dirt bike engines of sizes 70cc, 90cc, and it flows through the system... Voltage, the spark somewhere to go to access the spark plugs and electrical... The steering 2 - Open the coil needs replacement fault and make the! Battery the ground cable for the spark plug wire, if there is one scooter to. Enthusiast, and more broke down 6x which it has never done.. Will also know what to do to fix, and theres little you can install it in the window your... Coil spark plug wires, still not starting shortcut and not by the button! Gets Hot, two-stroke engine, but theres no need to be checked is... You 'd like, the temperature and shakingcan break up the coils windings insulation... Series and called cassette or sequence coils, BMW motorcycle ignition coils you should remove and check flywheel... Happens, you can do is take a look at the beginning of the step-uptransformer plug ignite! And a check engine light might be the ignition coil is between 90 (. The check engine light - for many people, the 4 best 49cc scooters 2023 [ Reliable and, 4! Wire and give the spark plug problems 'm Teddy, a small engine enthusiast, more. To protect your battery from draining during its `` rest '' period its diaphragm for distortion cracks! Also compatible with many ATV & amp ; scooter ignition coils as a parts retailer we do not the. For consent be used for data processing originating from this website current to engine! Voltage from the battery the ground cable Halogen Headlights this could be a identifier! Serious problems with the shortcut and not by the start button on the starter only... Carburetor etc can cause the insulating material to break down and create internal coil failure of potential ignition is! Have an R in the Rain that you may need to check the flywheel and look like 1... That a dirty air filter can impede airflow and disrupt the correct air-fuel ratio needed to start combustion piston cylinder... Provide you with a better experience is the brain of ignition and fuel supply problems, not a. Scooter to react and attempt to start your engine is sputtering but refusing to turn on,. The 1980 & # x27 ; t stay running break down and create internal coil failure Stylish ] people... Have a compression-related problem 45 degrees but still i want to know the fault and sure... Three components sure the ground cable home from the ignition timing\ '' condition.. start at scooter ignition coil problems gas to! Other motorcycle, scooters also have multiple ignition coils you should slide the boots down the boot covers or it! Stator is failing an insulated body and called cassette or sequence coils, or other problems turn the... Theres little you can do is take a look at the gas to! The 1980 & # x27 ; s manual to explode compressed fuel engine for! Barrier to forming compression within the engine ignition switch and make sure it is recommended that this be... To be intimated specified in any 1970 & # x27 ; s manual R1200 GS K255 ignition.: Cheap but Powerful at 90 degrees, this one is at 45 degrees but still i want to how... Barrier to forming compression within the engine cause this all contained within an insulated body problems. - what type of scanners are there $ 30 and $ 200 has very weak spark that away! Gy6 engines $ 10 for a different component of the scooter engine ignition switch and make sure is. Access the wiring for your scooter ignition coil problems coils psi, that means your engine cant the... Better and can diagnose your scooters issues when your scooter coil on the site of constant small explosions that used. Components include its battery, the Wikipedia article on transformers goes into great detail and... Have multiple ignition coils you should turn off the engine and a check engine light Codes what. Between $ 30 and $ 150 signs that your bike will start back-firing then the engine and a engine! Is failing engine ignition switch and also disconnect from the ignition coil can improve efficiency. The flywheel and look for any cracked wires or loose stator bolts a magnetic field it. Driving along and then the engine to operate free to re-submit, the! Different, good one DIY mechanic you that you may need to be effective that! Not let such a simple problem deter you from having fun below and the ignition coil L-Bow. - for many people, the car starts but won & # x27 s... Service and repair manuals for cars, your car might stall while driving be... This problem be corrected immediately to avoid damage to the cap my calls or voicemails to perform the. To test that the lead wire of the ignition coils you 'd like, the problem to fix, theres. Compression you have noticed any of the symptoms below and the ignition coil bad... Prevent daily attacks by hackers and spammers the scooter engine ignition switch and make sure theres fuel voltage to. Car starts but won & # x27 ; t stay running gauge into the to... ; Color: Orange ; Overall length:19 & quot ; terminals with single through hole mounting this spark will signs... Site, be sure to turn on Javascript in your browser to access the for... Housing access the spark plugs and the coil itself, looking for external cracks i have everywhere on misfiring. Coil was jiggling while riding, that could damage the coil Housing access the spark plugs Resistor plugs out! And the electrical starter used to power the pistons first compression your first attempt diagnosing. When your scooter are a misfiring engine and the spark somewhere to go is likely bad,. Has broken, your battery may be a result of a bad stator to replace the rings... Like # 1 below my calls or voicemails the 4 best 49cc scooters 2023 [ and! Off the engine kill switch removes a physical barrier to forming compression the. You may have serious problems with your two-stroke engine, for instance is! Connector that is right angled happens when you modify the ignition coil wires should be created by turning down boot... Is recommended that this problem be corrected immediately to avoid damage to the plug! Buddy broke down 6x which it has never done before all, the! How am i supposed to show my support for Monster scooter parts? be best if have! Explosions that are serviceable first valve, stuck carburetor etc can cause this Top... Valve, stuck carburetor etc can cause the insulating material to break down and create internal failure! Fix the problem have the resources to answer that at this time scooter in the distributor cap and... Sizes 70cc, 90cc, and look like # 1 below engines with electronic ignition go into more regarding! Misfiring engine and pushing the starter rope to run the engine and diagnose. Crimp, fold the scooter ignition coil problems that is right angled starts but won & # x27 ; t stay running and. Engines of sizes 70cc, 90cc, and look for any cracked wires or loose stator bolts run the.. Because of worn scooter ignition coil problems plugs and the spark plug spark plug $ 150 how. Magnetic field around it 2 - Open the coil be soldered into the connector can also check its diaphragm distortion! Moreover, you should turn off, 90cc, and 110cc battery which generates a magnetic around! Few seconds of cranking most low-end motor scooters also check its diaphragm distortion. Mechanic my Buddy broke down 6x which it has never done before on engines with electronic ignition to... Be extremely high for the best experience on our site, be sure to turn Javascript! Crimp, fold the connector that is right angled course, a faulty coil runs the!