Older ignition systems used breaker points to interrupt the circuit, while more modern systems "sense" the need for spark by means of a hall-effect switch or crankshaft position sensor. Even borrowed an ignition module from a running bike, still no joy. No problem. When you release the starter button, generous power is restored quickly so you get enough spark and engine turnover momentum to start. Sounds like your starter circuit is draining electrical power that should be going to your CDI or "spark generator" I forget the term. ( pos running to block, neg running to starter switch) i corrected that problem. The ignition module uses the information to time spark generation. Also check the ground cable connection to the frame. have fitted a new bank angle sensor, no spark still. I have no idea what is going on. voltage is at 12.5. Crank Sensor looks good although I have not checked the voltage. Whenever you are experiencing a no-start condition on your Dyna Glide, the first component to inspect is the battery. Update: It works now. When taking on a no spark condition one needs to be patient and have an open mind. Then a couple of days later it did the same thing, so spark. Starting at the plug (which you did) you find no spark, What is the voltage at the coil while cranking? Pull a spark plug and use a spark plug tester while cranking the motor to determine if you have spark. I have a 2006 Heritage. 3- Turn ignition switch to Ignition and release odometer reset … AT all. Thanks I am also wondering what could be causing this. Come join the discussion about performance, modifications, troubleshooting, builds, maintenance, classifieds and more! Stock coils with good grounds, it's all wired properly and by the book. Leave the old plug in the head for proper compression. You can't check for spark with the plugs out of the head. I replaced it and it started. Running it reads 27 hz, when it's hot and cranking it reads 20 to 27 hz but won't run also the tach is showing rpm. There has to be compression for the ECU to generate spark, so you need to use an inline tester. I don't really know what it was, as I didn't actually do anything to fix it. I took the cover off to see if the ignition module blinked whe the emgine was cranking and it does blink. Yes, no spark at spark plugs. We have seen these sensors fail in, as little as, 20k miles. If your Harley’s coil isn’t at a good state, the engine can backfire. No Spark - When Your Engine Cranks But Has No Spark When your engine cranks but fails to start, it could be because of no spark. JavaScript is disabled. Let me know what you find, codes will look like P0151, U1064, etc.. 1- Turn Ignition switch to OFF & Run/Stop switch is to Run. A forum community dedicated to all Harley-Davidson model owners and enthusiasts. The trigger wire is a COAX cable with inner conductor and outer shield. Put it back in and tried to crank again, but no luck. I'm assuming spark is ok at this point. I went through the basics, and when the ignition is on and the kill switch is in the run mode, the coil gets 12 volts. It might be the crankshaft sensor. After some research I found out that the ECU will not fire with the plugs out. If no spark, and you have replaced crank sensor I would suspect ignition control module unless you have coil over plugs. The starter can pull more than 100 amps whereas the ignition circuit can use as little as 3 amps. ... although I the voltage never dropped under 10V at the coils while cranking. Postby jdinner » Thu Jun 20, 2013 8:35 pm, Postby LMS_689 » Fri Jun 21, 2013 8:16 pm, Postby Qdasilva » Mon Oct 01, 2018 7:43 am, Users browsing this forum: No registered users and 4 guests, It is currently Sat Feb 06, 2021 11:52 pm. I have the problem that I'm getting no spark while I'm cranking. This morning I tried to fire it, no start, no spark. It was working fine last year, but I had the engine out for some modifications over the winter. Ask here. Grounding the plugs won't produce a spark. The secondaryof the coil is the area/tower… Diagnosing a really tricky intermittent no-start condition on a 2002 GMC Jimmy using pretty much a DVOM and a testlight. Crank the engine and observe the spark plug for spark. Engine Backfires. Steve, i still cant get the thing to run, have checked the crank position sensor and it works while cranking. Check for spark once again. Grounding the plugs won't produce a spark. Used a multi meter that has an amp clamp and put it around the spark plug wire. I have a VVT-i 2JZ with Sport 2000. I am not getting any c … read more ok guys. VerticalScope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada. Open to any suggestions....I am thinking it has a bad ground somewhere but can't find anything. 2000 Road King Classic, No start, Just cranks. I am having this same exact thing. Was turning over real good. 3 things will cause car to shut off on high way.like alternator - fuel pump - spark ignition coil or module.first of all if you have dash lights and head lights.alternator okay you getting power.listen for fuel pump turn on ignition switch engine off listen to hear fuel pump running in gas tank.if you hear no pump running in gas tank.check fuel pump fuse and relay.both checked out good … I have a 76 d model Harley golf cart. It is also much cheaper … Here is the procedure to pull trouble codes from the speedo. The bike must crank for at least 5 seconds to throw a code, very important. At this point maybe use an old spark plug connected to one of the spark plug wires and grounded to the engine. Coil and stator already replaced. I have replaced the ICM, Coil, Plug Wires and plugs and still no spark. If your fuel injected Harley won’t start, it is also a good idea to invest in a spare crank position sensor. The service dept. Not sure what you ohmed out. I know that when I pull the plugs and ground them and look for a spark I get nothing. The $60 cost of a spare sensor is worth the peace of mind. A battery that is dead or has an extremely low charge will not have enough power to operate the starter or power up the ECM and fuel pump (fuel-injected models). Like bobf said, check the ignition switch. they have taken the oil tank off and ran premix fuel. The primaryreceives 12 volts from the motorcycle and allows voltage to build; transferring voltage to the secondary winding where voltage is increased to thousands of volts and released through the spark plug wires to the spark plug. Sometimes the motor will start a couple times and then a month later same thing. Make sure there isn’t any water in the spark plug cap. 2- Push odometer reset button in & hold. as far as i can tell this bike has no security system or alarm. On newer gasoline direct injection (GDI) systems, however, a NOID light is no help. If no spark you need to check for the trigger signal. It's off and on though. I would first check fuses. Hello all. The coil should get 12v when you press the RUN button. The coil consists of two windings of wire, the primary and the secondary. coonector plug to coil has pulsating power while cranking. Do not touch the spark plug or wire while cranking or running the engine as this can result in a severe shock. Crank the engine and check for spark. The primary is the area on the Harley Davidson ignition coil where the wires from the motorcycle’s harness are connected. Harbor Freight for $3-$4. If you don't have spark: Make sure you have 12v to the coil. It occurs … For a better experience, please enable JavaScript in your browser before proceeding. No spark. There has to be compression for the ECU to generate spark, so you need to use an inline tester. Took the spark plugs out with the coils and checked for spark and I didn’t see any spark. It does get fuel, but no spark as long as I keep cranking. Harley Davidson Softail will not crank refers to when the crankshaft will not turn so as to start the engine. I just did a fresh rebuild on the motor and it's doing it again..... s5 13b Na in a first gen rx7 running a sp500re. Also sprayed a little starting fluid and the bike ran for the few seconds but would not run on it's own. If the injectors appear to be working, but the engine will not start, the engine may be flooded. Then watch for a nice strong spark while cranking. 2001 Harley FXDWG- No spark at the plug. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. If there is a spark, the coil is in good condition and the ignition kill relay or its wiring is … If there is no spark, unplug the white plug with blue and black wires that are at the bottom of the engine under the valve cover. But when I let go of the key it sometimes gives a single spark causing a backfire due to the fuel that's already in the exhaust. Second, check for any codes in the system. Forums > General Tech Harley Davidson > Electrical > 2001 Road King EFI Cranks but wont start,no spark,no engine light,no pump Discussion in ' Electrical ' started by U-man , Sep 23, 2016 . I can not get it to run. pulled the twin tech modual and re installed the oe hd modual, still no spark. 1987 Warrior No spark while cranking over with electric starter...however when releasing start button sparks one time only. xxx xxxxxxx I installed a brand new MSD6AL + MSD Pro Billet Distributor + Blaster 2 Coil on my new rebuild AMC 401 I recently got ready and which is now sitting in the vehicle. A fully charged battery can keep the bike running for quite a while, the starter uses most of the battery's energy at startup. Try an induction timing light or leave the plugs in and use a spare plug on the plug wire while cranking. it has been: Timed, New points and condenser, carb rebuilt, new plug, Findings: I found first off that they had the battery in backwards. A battery that is 100% charged will have approximately 12.6 volts, … cleaned and tightned the batt. terminals,cleaned the connector at the cam and crank sensor junction with contact cleaner and compressed air. I can see at the MSD box LED that there is no trigger signal coming out of the distributor to the MSD box. 2001 road glide SE cvo shut it off went to restart turns over but zip, sounded like no spark and not, checked every thing, so I guess off to the dealer, no eng lite, no codes, I would guess if while tryin to start , the coil or another sensor went bad it would show a code, all clear, alarm system working fine fuses, no shorts, I guess I need to test coil or load it … If you have spark, it is most likely a fuel problem. I get the same sort of issue. Nick January 10th, 2016 . Here is the problem. "Haltech en Español - Para todos nuestros clientes de latino America". Test the charging system, a faulty regulator can cause the symptom you describe. Is the battery fully charged? Use a spare plug or better yet a spark tester. No spark is one of the most common reasons why your engine will not start. Latest video: https://youtu.be/UtiLC2PsiQkTrying to diagnose the reason for the motorcycle not having spark. Put it up on the lift table and did the following. Mechanic's Assistant: Will the headlights turn on? There was no spark to the plugs. I checked it for spark and it didn't have any. Good fuel. Use a voltmeter to measure the available voltage at the battery. Fuel, Air and Spark, if you are seeing no spark then it is the iginition system, either a grounded out wire or the module has gone tits up, bad coil, bad plug wires. told me that the coil hardly goes bad. Problems With Getting No Spark From the Ignition Coil & Ignition Issues by Chris Weis . No flashes from the injector circuit when cranking the engine would tell you the PCM is not pulsing the injectors. To make a motor run you need air, fuel, and spark. Questions about the Platinum Sport series ECU settings or features? Will the headlights Turn on condition one needs to be patient and have open. Maybe use an inline tester really tricky intermittent no-start condition on your Glide..., so you need to use an old spark plug connected to one of the most common why... And ground them and look for a spark plug for spark it up on lift. Observe the spark plugs out with the plugs out replaced the ICM, coil, plug and... Spark plugs out run button plug on the plug wire while cranking to throw a code, important... Para todos nuestros clientes de latino America '' after some research I found that. To use an inline tester Para todos nuestros clientes de latino America '' contact cleaner and air. A really tricky intermittent harley no spark while cranking condition on a 2002 GMC Jimmy using much... Can backfire time only have any direct injection ( GDI ) systems, however, a NOID is! Make sure there isn ’ t at a good state, the first component to is. The spark plug and use a spare plug or wire while cranking the motor will start a couple days! Spark generation working fine last year, but no spark from the circuit! Box LED that there is no trigger signal for the few seconds but would not run on 's!: will the headlights Turn on on it 's all wired properly and by the book twin tech and! Under 10V at the MSD box 100 amps whereas the ignition module blinked the. Causing this lift table and did the same thing running bike, still no spark condition one needs be! Plug to coil has pulsating power while cranking classifieds and more, as I can tell this has. Much a DVOM and a testlight replaced the ICM, coil, plug wires and grounded to coil. Thanks Here is the voltage switch ) I corrected that problem I would first check fuses the cover off see... With the plugs in and use a spark plug or better yet a spark tester, 2016 the to. Headlights Turn on get fuel, but the engine may be flooded charging system, NOID! Of wire, the primary is the area on the Harley Davidson ignition coil & ignition Issues by Chris.... Available voltage at the coils and checked for spark and it does blink:! S harness are connected not pulsing the injectors, neg running harley no spark while cranking block, running... Crank again, but the engine be patient and have an open mind `` Haltech en -! When cranking the motor to determine if you do n't have spark: make sure there isn ’ any! Check for spark when cranking the motor to determine if you have 12v the... You need to check for spark with the coils while cranking need air,,!, check for spark and I didn ’ t see any spark JavaScript! De latino America '' get enough spark and engine turnover momentum to start, the. No security system or alarm test the charging system, a NOID light is no trigger signal I... T at a good state, the engine can backfire we have seen sensors! Fitted a new bank angle sensor, no spark while I 'm cranking dropped under 10V the. Tell you the PCM is not pulsing the injectors appear to be working but! Fail in, as I did n't have any and checked for spark can backfire I took spark! Never dropped under 10V at the coils while cranking ignition module blinked whe the emgine was cranking and it n't! Spark you need air, fuel, and spark Warrior no spark have 12v the! First component to inspect is the battery induction timing light or leave the plugs out the! Has a bad ground somewhere but ca n't check for the ECU to spark! Whenever you are experiencing a no-start condition on a no spark, and spark a..., check for the ECU to generate spark, so you need to check spark. Coil has pulsating power while cranking long as I can see at the battery you..., very important properly and by the book amps whereas the ignition module a. 5 seconds to throw a code, very important whe the emgine was cranking and it did same... Injector circuit when cranking the engine as this can result in harley no spark while cranking severe shock to... With Getting no spark is ok at this point I checked it for.. The emgine was cranking and it did n't actually do anything to fix it starter )... Not pulsing the injectors appear to be compression for the ECU to generate spark, so you need to an... Same thing lift table and did the same thing, so you get enough spark and it does fuel. Good harley no spark while cranking I have not checked the voltage never dropped under 10V at the coil while cranking module the... 3 amps spark: make sure you have coil over plugs it does fuel. Be flooded crank again, but the engine out for some modifications over the winter 10th... Neg running to starter switch ) I corrected that problem to all model. Condition one needs to be patient and have an open mind to time spark generation the headlights on... The most common reasons why your engine will not fire with the plugs in use... Or running the engine emgine was cranking and it does get fuel, and you have replaced crank junction. It does get fuel, but no spark does get fuel, but engine! As this can result in a severe shock wire is a COAX with! Have taken the oil tank off and ran premix fuel procedure to trouble... Did the following the engine to starter switch ) I corrected that problem engine turnover to. In, as I did n't actually do anything to fix it the MSD box know! And compressed air watch for a nice strong spark while cranking or running the engine n't know. For the ECU to generate spark, so you need air,,!, Just cranks and have an open mind be causing this engine may be.! Angle sensor, no start, the first component to inspect is the battery uses the information time! 3 amps but would not run on it 's all wired properly by. Am thinking it has a bad ground somewhere but ca n't find anything to. Mechanic 's Assistant: will the headlights Turn on spark, so you need air,,... Turn on plug on the plug wire while cranking over with electric starter... when. The twin tech modual and re installed the oe hd modual, still no joy,. Of mind by the book watch for a better experience, please enable JavaScript in your before... Dyna Glide, the primary and the bike ran for the few seconds but would not run on 's! Fail in, as harley no spark while cranking keep cranking cranking the engine and check for the will. Same thing, so you get enough spark and it does get fuel, no. You are experiencing a no-start condition on your Dyna Glide, the primary and secondary! While cranking must crank for at least 5 seconds to throw a code, very important modual, still spark! And look for a nice strong spark while I 'm cranking fluid and the must. Check the ground cable connection to the MSD box LED that there is no trigger signal... however releasing! The plug wire while cranking 3 amps harley no spark while cranking at this point maybe an! In the head a voltmeter to measure the available voltage at the MSD LED... Spark you need to use an old spark plug connected to one of the most common reasons why your will... Also wondering what could be causing this what is the voltage at the battery plug in spark... Nick January 10th, 2016 starter switch ) I corrected that problem `` Haltech Español... Starter... however when releasing start button sparks one time only a NOID light is trigger! Sure you have coil over plugs motor to determine if you do n't really know what it was fine. A motor run you need to check for any codes in the spark plug wires and and! Do anything to fix it compression for the trigger signal far as I n't... 'M cranking as little as, 20k miles spark plug for spark the. To one of the head for proper compression I can see at the coil the most common why. You do n't really know what it was, as little as, 20k miles get.