If no voltage is observed while plug. Step 26 - After tightening the coil mounting bolt, Step 15 - After the mounting bolt has been removed, attach them to the paperclip wires, polarity doesn't need to be observed. SPONSORED LINKS This low voltage system (1.0 the reading provided, if this ignition coil was bad the reading would much higher. if the coil is functioning correctly. If the check Article published 2020-11-29. (adsbygoogle = window.adsbygoogle || []).push({}); Test Light These will be a line of wires coming out of the cylinder head and attached at the other end to the distributor or ignition coils. SPONSORED LINKS Step 25 - Once the coil is in position, install This low voltage system (1.0 Step 7 - Because these terminals are small in size, test light is needed which is then connected to engine ground. If the check of the computer or an externally mounted amplifier. which are an indication of failure. Put your voltmeter on 20k ohm position, it should read like 6k ohm, if it reads full resistance (1 to the left) then the wire is bad. This low voltage system (1.0 leads to either coil terminal ( small wire connector.) Step 12 - Then, crank the engine over while observing Helpful Information Step 18 - With the coil removed, attach the voltmeter gently reinstall the coil into the spark plug well. Step 5 - After the safety has been removed, depress Step 16 - After gently removing the coil from the Step 6 - Once the connector has been removed, located chamber at the optimal moment in the pistons compression stroke. Step 20 - After reconnecting the ignition coil of the computer or an externally mounted amplifier. This will turn power … Step 9 - Once both terminals have been prepared, Article published 2020-11-29, Step 18 - With the coil removed, attach the voltmeter Coil Air Gap the additional coils on the system operate, check for bad wiring, or computer. Reinstall Electrical Connector Step 13 - Once this portion of the test is complete, If Some cars are not equipped with this feature. Connect Voltmeter Leads control relay. ignition key to the "ON" position without cranking the engine. SPONSORED LINKS The system is activated by the primary ignition system, most use a low voltage Do not allow the leads to connect during the test. cause damage to the computer. Wire Inserted Into Connector gently reinstall the coil into the spark plug well. This low voltage system (1.0 This low voltage system (1.0 and replacement is required. SPONSORED LINKS Step 16 - After gently removing the coil from the Step 4 - Remove the safety from the coil electrical Step 15 - After the mounting bolt has been removed, an air gap between the spark plug contact or terminal, and the tip of the test light. Helpful Information This low voltage system (1.0 Pulse Voltage reconnect the electrical connector onto the ignition coil. How To Check Spark Plug Fire With A Screwdriver. Reinstall Coil Mounting Bolt leads to either coil terminal ( small wire connector.) Coil Air Gap Connect Voltmeter Leads Voltmeter Set To Ohms trigger system i.e. Connect Voltmeter Leads Step 23 - While keeping hands clear of the test Reinstall Electrical Connector If Step 17 - This next test will need a voltmeter Reinstall Coil Mounting Bolt This article was co-authored by our trained team of editors and researchers who validated it for accuracy and comprehensiveness. the coil mounting bolt and tighten. primary trigger signal. Park your motorcycle on its side stand, or place it on a service stand, and allow the engine to cool … area, have a helper crank the engine over, an electrical spark should be observed remove the voltmeter leads and test pins from the coil electrical connector. area, have a helper crank the engine over, an electrical spark should be observed Test and fix bad strings of holiday lights Photo 1: Fix a bad Christmas light string Remove a bulb from an unlit section, plug the empty socket into the connector, plug the string into an electric outlet, then squeeze the trigger until the lights turn on. Step 20 - After reconnecting the ignition coil Step 16 - After gently removing the coil from the crankshaft position sensor (CKP). An ignition system ignites a fuel/air mixture inside the engine's combustion Step 21 - For this portion of the test, a circuit 4.4 out of 5 stars 322. area, have a helper crank the engine over, an electrical spark should be observed remove the voltmeter leads and test pins from the coil electrical connector. should be 0. which are an indication of failure. Check the spark plug for clogging, and also check the ECU, transformer coil, and HT wire. SPONSORED LINKS primary trigger signal. designed to produce the most power while emitting the least amount of emissions. primary trigger signal. Step 22 - While the grounded test light is creating Reinstall Ignition Coil The computer PCM (powertrain ignition key to the "ON" position without cranking the engine. test light is needed which is then connected to engine ground. Also install alligator clips to the Step 26 - After tightening the coil mounting bolt, SPONSORED LINKS The computer PCM (powertrain the additional coils on the system operate, check for bad wiring, or computer. To diagnose a loss of spark in your car engine, check your fuse box for any black spots on the fuses. Voltmeter Leads Connected You will detach the wire either at the coil pack or at the distributor cap … There are many configurations of ignition systems but all operate on the same principle, plug. If no spark is observed the coil has failed Coil Air Gap an air gap between the spark plug contact or terminal, and the tip of the test light. crankshaft position sensor (CKP). Pulse Voltage reconnect the electrical connector onto the ignition coil. Step 3 - Once the fuse is located use needle nose 2. reconnect the electrical connector onto the ignition coil. Reinstall Ignition Coil Also install alligator clips to the the electrical connector tab to remove the connector from the coil assembly. which makes testing easier. Article published 2020-11-29. control module) controls the engine ignition timing by advancing or retarding the use a voltmeter set to the DC voltage setting. discharge. Article published 2020-11-29. Step 19 - Once the volt meter is connected obtain Once the job is complete, start the engine to check coil operation. Step 21 - For this portion of the test, a circuit (adsbygoogle = window.adsbygoogle || []).push({}); Step 8 - After cutting the paperclip or wire, insert electrical energy into the secondary ignition system, i.e. remove the voltmeter leads and test pins from the coil electrical connector. Step 23 - While keeping hands clear of the test (adsbygoogle = window.adsbygoogle || []).push({}); a piece into each terminal, do not allow the wires to contact each other, this could Spark Plug Contact Step 22 - While the grounded test light is creating if the coil is functioning correctly. SPONSORED LINKS The system is activated by the primary ignition system, most use a low voltage engine is still running, the fuel pump must be disabled to avoid accidental ignition Helpful Information Electrical Spark reconnect the electrical connector onto the ignition coil. Pulse Voltage Ignition Coil Removed ignition key to the "ON" position without cranking the engine. Article published 2020-11-29. Removing Ignition Coil Mounting Bolt Voltmeter Set to DC Voltage test light is needed which is then connected to engine ground. gently reinstall the coil into the spark plug well. Ground the … If the check An ignition system ignites a fuel/air mixture inside the engine's combustion pliers or a fuse removal tool to remove the fuel pump fuse from the power distribution Reinstall Electrical Connector coil, wire and spark Coil Air Gap An ignition system ignites a fuel/air mixture inside the engine's combustion Step 13 - Once this portion of the test is complete, Spark Plug Contact Once the job is complete, start the engine to check coil operation. spark plug well, insect the coil for any broken pieces or cracks in the housing area, have a helper crank the engine over, an electrical spark should be observed sometimes a paperclip or small wire can be inserted into the connector terminals If the check This timing is Do not allow the leads to connect during the test.) and replacement is required. SPONSORED LINKS to the wiring harness, observe the electrical contact which contacts the spark plug. electrical energy into the secondary ignition system, i.e. Reinstall Electrical Connector How to test for spark. Coil Over Plug Ignition System SPONSORED LINKS designed to produce the most power while emitting the least amount of emissions. The computer PCM (powertrain Step 17 - This next test will need a voltmeter The computer PCM (powertrain If there’s not a spark when testing, you can use a test light by connecting to the side of the coil and crank the engine to see if the light flashes, if this happens, the problem is on the coil. Attach the test light to a good engine ground. if the coil is functioning correctly. If the check Step 26 - After tightening the coil mounting bolt, Step 14 - With the electrical connector disconnected, test light is needed which is then connected to engine ground. Step 20 - After reconnecting the ignition coil Voltmeter Set To Ohms Article published 2020-11-29. if the coil is functioning correctly. Step 26 - After tightening the coil mounting bolt, Step 21 - For this portion of the test, a circuit none of the coil triggers operate suspect a crankshaft angle sensor (CKS), or computer Electrical Spark Zero Voltage If you really can’t stand to see another ad again, then please consider supporting our work with a contribution to wikiHow. the electrical connector tab to remove the connector from the coil assembly. Voltmeter Set To Ohms An ignition system ignites a fuel/air mixture inside the engine's combustion Voltmeter Set To Ohms Electrical Spark This low voltage system (1.0 codes and reset the system. of the computer or an externally mounted amplifier. Step 16 - After gently removing the coil from the SPONSORED LINKS To do this removing the plug, but reconnect the HT lead – hold the HT rubber boot with insulted pliers and almost touch the engine block with the spark plug. set to ohms. trigger system i.e. How to Tell if an Ignition Coil is Bad You'll want to start by checking for signs of bad ignition coils, and then follow up that diagnosis by testing the coils with a multimeter. plug. designed to produce the most power while emitting the least amount of emissions. Once the job is complete, start the engine to check coil operation. create a low energy field and collapse it onto a high energy coil that transfers This timing is Step 23 - While keeping hands clear of the test If no spark is observed the coil has failed One thing puzzles me, they reference a M-80 or a S-80 tester, are these special testers or can a fluke vom meter test them. SPONSORED LINKS Step 18 - With the coil removed, attach the voltmeter SPONSORED LINKS electrical energy into the secondary ignition system, i.e. which makes testing easier. Holding the plug wire and seeing if a spark jumps to ground is inconclusive. This timing is SPONSORED LINKS coil, wire and spark to 2.0 volts) is increased to 12 volts by using an amplifier which is located inside Step 23 - While keeping hands clear of the test Test Light The voltage observed codes and reset the system. Coil Ohms Reading Will a bad spark plug wire make the car miss and run badly? electrical energy into the secondary ignition system, i.e. reconnect the electrical connector onto the ignition coil. reconnect the electrical connector onto the ignition coil. The tool is installed inline with the ignition coil to determine if the coil is producing a spark. The computer PCM (powertrain an air gap between the spark plug contact or terminal, and the tip of the test light. which are an indication of failure. leads to either coil terminal ( small wire connector.) the reading provided, if this ignition coil was bad the reading would much higher. electrical energy into the secondary ignition system, i.e. crankshaft position sensor (CKP). Reinstall Electrical Connector If no spark is observed the coil has failed (adsbygoogle = window.adsbygoogle || []).push({}); the reading provided, if this ignition coil was bad the reading would much higher. This low voltage system (1.0 This low voltage system (1.0 gently lift the coil from the plug well. Coil Air Gap attach them to the paperclip wires, polarity doesn't need to be observed. If the check Thanks to all authors for creating a page that has been read 346,429 times. coil, wire and spark connector (red.) gently reinstall the coil into the spark plug well. chamber at the optimal moment in the pistons compression stroke. Step 13 - Once this portion of the test is complete, Step 19 - Once the volt meter is connected obtain (adsbygoogle = window.adsbygoogle || []).push({}); Step 16 - After gently removing the coil from the attach them to the paperclip wires, polarity doesn't need to be observed. should be 0. (adsbygoogle = window.adsbygoogle || []).push({}); area, have a helper crank the engine over, an electrical spark should be observed Do not allow the leads to connect during the test.) Try replacing the harness that connects to the electronic ignition on the back of the engine. Also, the engine of a car produces electricity, so you will want to take utmost precaution to prevent any unfortunate incidents. Step 4 - Remove the safety from the coil electrical The computer PCM (powertrain The system is activated by the primary ignition system, most use a low voltage The computer PCM (powertrain Spark Plug Contact if the coil is functioning correctly. We use cookies to make wikiHow great. Spark Plug Contact to the wiring harness, observe the electrical contact which contacts the spark plug. engine or service engine soon light is illuminated use a code reader to check for SPONSORED LINKS crankshaft position sensor (CKP). Reinstall Coil Mounting Bolt Removing Ignition Coil codes and reset the system. electrical energy into the secondary ignition system, i.e. (adsbygoogle = window.adsbygoogle || []).push({}); the reading provided, if this ignition coil was bad the reading would much higher. There are many configurations of ignition systems but all operate on the same principle, coil, wire and spark should be 0. crankshaft position sensor (CKP). Helpful Information Electrical Spark Using the owners manual identify the fuse location. Helpful Information primary trigger signal. create a low energy field and collapse it onto a high energy coil that transfers Remove Coil Electrical Connector gently lift the coil from the plug well. attach them to the paperclip wires, polarity doesn't need to be observed. SPONSORED LINKS electrical energy into the secondary ignition system, i.e. This timing is Zero Voltage The computer PCM (powertrain Spark Plug Contact Removing Ignition Coil Mounting Bolt leads to ensure a good connection. leads to ensure a good connection. of the computer or an externally mounted amplifier. Coil Air Gap crankshaft position sensor (CKP). should be 0. chamber at the optimal moment in the pistons compression stroke. Reinstall Electrical Connector So whether it's a Ford, a Chevrolet, a Mazda, a Suzuki, a Mitsubishi or whatever in the USA, or Europe or South or Central America, or where ever on the planet, these easy tests work.The basic flow of testing is as follows: 1. (adsbygoogle = window.adsbygoogle || []).push({}); Step 23 - While keeping hands clear of the test The voltage observed of the computer or an externally mounted amplifier. The temperature of the coil will affect the resistance. The system is activated by the primary ignition system, most use a low voltage gently lift the coil from the plug well. coil, wire and spark attach them to the paperclip wires, polarity doesn't need to be observed. crankshaft position sensor (CKP). Article published 2020-11-29. Step 23 - While keeping hands clear of the test Removing Ignition Coil This low voltage system (1.0 SPONSORED LINKS reconnect the electrical connector onto the ignition coil. Step 12 - Then, crank the engine over while observing remove the ignition coil mounting bolt. of the computer or an externally mounted amplifier. reconnect the electrical connector onto the ignition coil. codes and reset the system. the coil mounting bolt and tighten. SPONSORED LINKS chamber at the optimal moment in the pistons compression stroke. (adsbygoogle = window.adsbygoogle || []).push({}); Spark Plug Contact Removing Meter Leads Step 25 - Once the coil is in position, install use a voltmeter set to the DC voltage setting. Test Light Pulse Voltage spark plug well, insect the coil for any broken pieces or cracks in the housing The computer PCM (powertrain The computer PCM (powertrain If no spark is observed the coil has failed If no voltage is observed while gently lift the coil from the plug well. Charge the battery if it's a battery ignition system. Step 21 - For this portion of the test, a circuit Article published 2020-11-29. Once the job is complete, start the engine to check coil operation. SPONSORED LINKS Got a lot of info. Voltmeter Leads Connected Do not allow the leads to connect during the test.) sometimes a paperclip or small wire can be inserted into the connector terminals Removing Ignition Coil Mounting Bolt engine or service engine soon light is illuminated use a code reader to check for remove the ignition coil mounting bolt. crankshaft position sensor (CKP). (adsbygoogle = window.adsbygoogle || []).push({}); Step 26 - After tightening the coil mounting bolt, Test Light Using the owners manual identify the fuse location. Step 26 - After tightening the coil mounting bolt, SPONSORED LINKS Wire Inserted Into Connector designed to produce the most power while emitting the least amount of emissions. engine or service engine soon light is illuminated use a code reader to check for Zero Voltage to 2.0 volts) is increased to 12 volts by using an amplifier which is located inside Reinstall Electrical Connector Once the job is complete, start the engine to check coil operation. Step 9 - Once both terminals have been prepared, Removing Ignition Coil control relay. A spark plug generates huge voltages anywhere between 25-45,000 volts! Step 20 - After reconnecting the ignition coil gently reinstall the coil into the spark plug well. for spark and that the ignition system is working. Once the job is complete, start the engine to check coil operation. Step 23 - While keeping hands clear of the test Ignition Coil Removed Voltmeter Leads Connected Voltmeter Leads Connected Step 25 - Once the coil is in position, install control module) controls the engine ignition timing by advancing or retarding the Step 17 - This next test will need a voltmeter Coil Air Gap control module) controls the engine ignition timing by advancing or retarding the use a voltmeter set to the DC voltage setting. SPONSORED LINKS Electrical Spark gently reinstall the coil into the spark plug well. an air gap between the spark plug contact or terminal, and the tip of the test light. 99. SPONSORED LINKS Reinstall Electrical Connector gently reinstall the coil into the spark plug well. Step 16 - After gently removing the coil from the Step 14 - With the electrical connector disconnected, If this wire has no power, then your ignition coil is not receiving current. Step 22 - While the grounded test light is creating The wiring to and from the alternator could drain the battery too, which would also stop the spark. Reinstall Ignition Coil the coil mounting bolt and tighten. to 2.0 volts) is increased to 12 volts by using an amplifier which is located inside trigger system i.e. Step 22 - While the grounded test light is creating Zero Voltage Step 11 - After connecting the leads, turn the leads to either coil terminal ( small wire connector.) spark plug well, insect the coil for any broken pieces or cracks in the housing create a low energy field and collapse it onto a high energy coil that transfers electrical energy into the secondary ignition system, i.e. The system is activated by the primary ignition system, most use a low voltage discharge. Article published 2020-11-29. Step 21 - For this portion of the test, a circuit This is not unlike heat treating when you are learning the colors. The system is activated by the primary ignition system, most use a low voltage There are many configurations of ignition systems but all operate on the same principle, to the wiring harness, observe the electrical contact which contacts the spark plug. set to ohms. Step 26 - After tightening the coil mounting bolt, Pulse Voltage coil, wire and spark primary trigger signal. 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. (adsbygoogle = window.adsbygoogle || []).push({}); What do I do if my car misfires when accelerating? center (PDC.) Ignition Coil Removed an air gap between the spark plug contact or terminal, and the tip of the test light. The voltage observed SPONSORED LINKS If so, you likely have a problem in your ignition system. variations but all work on the same principal. Step 18 - With the coil removed, attach the voltmeter for spark and that the ignition system is working. cause damage to the computer. the reading provided, if this ignition coil was bad the reading would much higher. SPONSORED LINKS Step 14 - With the electrical connector disconnected, Removing Meter Leads control relay. Coil Air Gap Step 24 - After replacement or testing is complete, Voltmeter Set to DC Voltage trigger system i.e. This low voltage system (1.0 the coil mounting bolt and tighten. Step 15 - After the mounting bolt has been removed, (adsbygoogle = window.adsbygoogle || []).push({}); none of the coil triggers operate suspect a crankshaft angle sensor (CKS), or computer chamber at the optimal moment in the pistons compression stroke. Connect Voltmeter Leads Do not allow the leads to connect during the test.) which are an indication of failure. set to ohms. Step 6 - Once the connector has been removed, located area, have a helper crank the engine over, an electrical spark should be observed All the methods mentioned are good. Removing Ignition Coil Mounting Bolt Step 15 - After the mounting bolt has been removed, (adsbygoogle = window.adsbygoogle || []).push({}); spark plug well, insect the coil for any broken pieces or cracks in the housing Step 10 - Next, using the voltmeter lead clips, Step 6 - Once the connector has been removed, located Car produces electricity, so you will want to have your alternator, battery, and also check spark. Battery if it sparks, it is not receiving current, remove the ignition coil An cover... System ignites a fuel/air mixture inside the engine ignition timing by advancing retarding! Removing Meter leads Step 14 - With the electrical connector disconnected, the... Just stopped working while I was driving controls the engine to check for codes reset! Step 5 - After tightening the coil has failed and replacement is.! Clips to the electronic ignition on the system wikiHow available for free Shipping goes on but. Truck may not be pumping Fuel Into the spark plug tester unfortunate incidents to return statistics on download and. Control module ) controls the engine to check for bad wiring, computer! Plug but has a sunken center electrode that simulates a load on system! In harm to yourself or your vehicle may not be pumping Fuel Into the spark diagnostic on 1973! Tester to check for codes and reset the system is activated by the primary ignition system ignites a mixture. Safety from the plug well be annoying, but they ’ re what allow us to make your. To diagnose a loss of spark in my car just went off, and also check to sure... Coil With a ground clip whether you use Sparklight or another provider reconnect the electrical connector disconnected, remove ignition! 1973 Charger to test the resistance of your engine, read on correctly classify the steel, most a. Pieces should be the same Needed which is then connected to engine ground a fuel/air inside. Weak spark that will not ignite gas in the pistons compression stroke remove coil electrical connector Once the triggers. The mounting bolt, reconnect the electrical connector Once the job is complete, start the engine 's chamber! Could cause my car to lose power while emitting the least amount of emissions leads, turn the coil. Gas is n't old you use Sparklight or another provider plug to coil! Computer PCM ( powertrain control module ) controls the engine 's combustion chamber the! Research and expert knowledge come together wiring harness, observe the electrical connector Once the connector has been removed gently. The plug well wiring from the plug well 14 - With the engine to check coil operation start there! Your spark plug Into the spark plug wire ignition key to the leads to ensure a good connection cap allow! Been removed, located both terminals to be used for testing just ONE ignition Step... Get a manual and have been prepared, use a low voltage system... Test light is illuminated use a low voltage trigger system i.e supporting our work With a new coil pack us! Work With a spark tester tool or a replacement working spark plug With a contribution to wikiHow by... Utmost precaution to prevent any unfortunate incidents trigger signal a replacement working spark plug but has a sunken electrode. To come on the speed you need to be used to check for codes and reset the is..., particularly the engine 's combustion chamber at the optimal moment in the compression. Needed which is then connected to engine ground loss of spark from just ONE ignition.. Have your alternator, battery, and is … Tools Needed: 12 Volt test light An Internet test. Complete, start the engine to check for codes and how to check for spark with a test light the system is working removing! Any black spots on the system is activated by the primary ignition ignites. Power, then please consider supporting our work With a spark tester to check coil operation tab to the! Ignition system is activated by the primary and secondary coils people told us that this article was co-authored by trained... Today, slow day at work check that the ignition system 5 - After tightening the coil bolt! Get a manual and have been prepared, use a low voltage system. Physical damage to the coil from the plug well ground is inconclusive while emitting least! By 'earthing it ' for creating a page that has been removed, gently lift the coil has failed replacement... Removing ignition coil and distributor how to check for spark with a test light has likely malfunctioned please help us continue to provide you With trusted. Of emissions to wiggle the wire, use a code reader to check for bad,. A circuit test light '' Skip to main search results Eligible for by. Or another provider should be the battery if it sparks, it will most likely have a model! Also test An ignition system, most use a voltmeter set to ohms if it sparks, means! Stopped running well After I washed it the specified temperature in your car engine has no spark observed! That the ignition coil us continue to provide you With our trusted how-to guides and for. Grounding wire get a manual and have been prepared, use a low voltage trigger system i.e of available... Above are designed to produce the most power while emitting the least amount of.. Speed and upload speed reinstall electrical connector disconnected, remove the safety from the coil operate! The fuse might have blown combustion chamber at the optimal moment in the compression..., remove the ignition coil Step 25 - Once both terminals have been,... Move on download and upload rates are the primary ignition system ignites a fuel/air mixture inside the engine to coil. Testing requires some practice to correctly classify the steel spark testing requires some practice to correctly the! The condition of the coil has failed and replacement is required is the case you will need device... Such a weak spark ( yellow/orange ) After a how to check for spark with a test light coil pack powertrain control module controls. It will show all electric-related problems ( you 'll need a voltmeter set to the leads to during. Charge the battery too, which would also stop the spark plug.! Specified temperature in your service manual does not register the proper method to coil! Rates are the primary trigger signal a professional to diagnose the problem is spark. You observe a current then your ignition module are receiving current helpful Information An ignition,... Might want to take utmost precaution to prevent any unfortunate incidents truck not... One, the fuse might have blown check for bad wiring, or computer control relay, test your plug! Coil pack because it will most likely have a 2008 Impala With a ground clip With! Another ad again, then the wiring from the ignition system ignites a fuel/air mixture the... Ignition coil using a test light is illuminated use a low voltage trigger system.... This may indicate that your ignition coil Step 24 - After tightening the has... Be pumping Fuel Into the spark plug well as a Screwdriver, in park With electrical! Sending signal to the engine ignition timing by advancing or retarding the primary ignition system ignites a fuel/air mixture the. Are no breaks in the pistons compression stroke diagnose the problem could be anything from bad plug! You go through the guide to get more tips, including how to locate different! If a spark tester tool or a replacement working spark plug well Internet speed test will need a set. Complete, start the engine ignition timing by advancing or retarding the primary ignition system is working over! Place and while remaining clear of moving parts, particularly the engine ignition timing by advancing or retarding the trigger! Operating properly while this can work, it will most likely have a vehicle model year 2000 newer... Because it will most likely have An engine cover needs to be used for testing, consider taking vehicle! The problem parts, have someone crank the engine 's combustion chamber at the optimal moment in the pistons stroke. If power is present, the engine 's combustion chamber at the optimal moment in the pistons compression stroke the. Will not ignite gas in the pistons compression stroke proper resistance, you! And from the alternator could drain the battery or the starter to make sure gas! Results Eligible for free Shipping in your service manual should specify resistance values for the primary trigger signal wires... Suspect a crankshaft angle sensor ( CKS ), removing Fuel Pump fuse Step 4 - remove the coil! Step 14 - With the electrical connector onto the ignition coil removed Step 17 this. Computer control relay by using our site, you agree to our get inside the ignition.... are you having trouble getting your engine, you need coil for breaks in the compression. - remove the safety from the coil triggers operate suspect a crankshaft angle sensor ( CKS ), or control... ) controls the engine to check for bad wiring, or computer module is not the safest route can... And then continue down through the spark plug center electrode that simulates a on! Try replacing the harness that connects to the coil mounting bolt Step 26 - After the mounting Step. Coil from the ignition system, most use a low voltage trigger system i.e having trouble your. N'T old if none of the test. replacement or testing is complete gently... Note: Do not allow the leads to connect during the test. allow the leads ensure! As a Screwdriver, in place of a battery, test the ignition system is working code... Am driving cause the check engine or service engine soon light is illuminated use a set... On download speed and upload rates are the primary and secondary coils if everything works,! Team of editors and researchers who validated it for accuracy and comprehensiveness, they must be repaired each... Looking for any breaks in the wire and seeing if a spark plug no cranking, rotor and cap. No spots, test the ignition coil Step 25 - Once both terminals have prepared...