Damage to the coil and ignition will result and will NOT be warranted. The coil fires because the ign applies a momentary ground to the coil. I tested everything and it's down to bad coil or bad ignition module. Compatible Coils for Use with Hot Spark ® Ignition. How is it measured? so if the pick-up coil is suppose to be 130-190 ohms and i get a reading of 145.6 k-ohms then this is out of range and the part is bad… no?? Canister Coils are designed for those stock or street/strip applications while E-Coils are engineered to suit high-vibration, high-performance applications and Direct OEM replacement FORD COP and GM LS Coils round out the line. See if the reading is within this range. The coil is probably the easiest thing to check and therefore the first thing to check when embarking upon ignition system troubleshooting. Final Thoughts. Coil Ohms are describing inductance. Set the meter to 20K Ohm setting, and attach the leads to the ignition coil's center terminal. Ignition coil’s primary resistance should be ranging between 0.4 and 2 ohms. book says 130-190 "ohms" Battery: Still 12.17 ohms. Use coil with 3.0 ohms primary resistance. I'm looking for an ignition miss. So, I'm testing the primary windings on both ignition coils to find resistance around 3.2 - 4.2. You can't see this happen with a test lamp. Step 1. Dynatek Twin Fire Ignition Coils will enhance the benefits of, and is the perfect compliment to the DD2000-HD1EP* Digital Ignition System. In checking my coil I have readings as follows: Primary side: 1.1 ohms Secondary side: 4.65 K ohms I've read readings should be .7 ohms (primary) & 4.7K ohms (secondary). Plugged the ignition coil back in. Also r educes burning and pitting of contact breaker points. Rather than get into the specifics of every application we make the general recommendation - 5 ohm for street, 3 ohm for race. I am getting about 18K ohms, on the secondary, measured are the plug cap. Coil Warning: DO NOT use a low-resistance or an HEI-style coil. The FCC will come after you. Step 2. If you are reading 0.0 between the tower terminal and either of the 2 other terminals, the coil is bad No continuity to chassis ground. It’s advisable to check at the manufacturer’s specifications for correct readings. The pick up in the nose cone, the modual, and all the wiring in between. Step 1. ? Primary resistance is the measure of how hard it is for current to flow through the primary windings. I later discovered the correct Nology coil for the Thunderbird Sport is their model number PFC-06S. When testing your Harley Davidson ignition coil you will be testing ohms resistance. I have about 2 ohms on the primary I was able to find the spec for that and it is good. Spin the engine over (at least 250 RPM) and watch for spark in the tester window. With the ignition switch off and the points open, touch the ohmmeter leads to # 1 and # 15 of the coil, repeat on the other coil. I think (correct me if I'm wrong) the stock coils are 5.8 Ohms. Ignition coil: Primary: 1.7 ohms (out of range) Secondary: 10.64kohms (in range) Pick-up Coil: 145.6 k-ohms, “Infinity” ohms, and 0.957 M-ohms. If the coil fires when you cause a momentary ground, then the ignition would be suspect. Ignition Coil, Round, Female/Socket, 3.0 ohms, Yellow, Coil Wire, Mounting Bracket, Harley-Davidson®, Kit. Touch your positive lead to each of the terminals on the ignition coil a good coil should read close to 9k Ohms, If your coil has more then 12-14K Ohms resistance then this is likely it needs replacing. Part Number: ALM-140405 Not Yet Reviewed However, it is more common for coil problems to show up as hard starting, a repeated high-speed miss or a gradual decline in ignition system performance. That will show a completely open coil, replace them. Many riders face issues with the coil. Post Reply . The normal, acceptable range for a standard 12-volt car is 1.5 to 1.7 Ohms. It is used to show the relative power of a coil. But that's a whole nother set of stuff to work through. A working ignition coil will give a reading of between 2.5 – 5 k ohms. 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. After checking the readings, if a zero reading is displayed, it means your ignition coil has a problem within the primary winding. Since the coil is the center of the system, it has to be working right or the car will not run right. Of course the vapor tends to get warmer and warmer as you go from 2.0 Ohms to 1.0 Ohms, however not as warm as with sub ohm coils. Standard ignition coils will have a primary resistance close to 3 ohms while ballast ignition coils are typically between 1 ohms and 2 ohms. The ignition coil also called ignition armature, is a crucial functional tool in the power system of a leaf blower, especially the one powered by gas. Consider 1.83 ohm auto-replacement ballast per above discussion for improved performance at the expense of accelerated points wear and slight increased potential for premature early coil failure Inductance is about electromagnetic force. Step 2. Setting multimeter on 200 ohms: the primary is bouncing between 0.8 and 0.9. Cylinder ignition coil (electronic ignition system with map-controlled ignition) Primary: 0.5 Ω–2.0 Ω/Secondary: 8.0 kΩ–19.0 kΩ Single-spark or dual-spark ignition coil (fully electronic ignition system) Primary: 0.3 Ω–1.0 Ω/Secondary: 8.0 kΩ–15.0 kΩ Testing or checking an ignition coil can tell you a lot about the health of your ignition system. Ignition coils take energy from the battery (usually 12 volts) and convert it to a high enough voltage (50,000 volts or more) to create a spark. Setting multimeter on 20k ohms: the secondary reads 5.74. Measure resistance between coil tower and each terminal of distributor 2-pin connector. Recommended - DC1-1. If resistance is not .6-.8 ohm, replace ignition coil. So, if you are a smoker trying to make the switch or a vaping beginner then a device with 1.5 – 1.8 Ohm coils would be advisable, however, in the end everything depends on personal preference. Testing the coil requires an ohms meter. Ignition Type: Coil Type : Ballast Resistor Requirements : OEM Breaker points: OEM coils (2.0 ohm primary resistance) Retain stock 3.0 ohm ballast. The correct amount of resistance is less than 5 ohms. It first acted up when my battery went bad. Using a standard coil on a ballasted ignition system will result in low spark voltages potentially leading to running problems. The secondary resistance will be in the thousands of ohms. Ignition designs that use the electromagnetic field of an ignition coil to store spark energy are technically known as "Kettering" ignition systems, named after its original designer 75 years ago. Resistance can be measured with a Multimeter. A Q45 forum / Cima forum for the President of Infiniti's lineup. Install the 19368 spark tester between the high-tension lead and a good engine ground. The plug caps, plug wires or the spark plugs themselves must have about 5K Ohms or you will be generating RF energy. Ignition Coil Primary Resistance Definition & Description. Product Overview II . Brought to you by Infiniti Parts USA, your OEM source for Q45 parts! With this primary reading, is this coil suspect? (4- and 6-cylinder) engines: Use a coil that has resistance, measured between the + and - terminals of the coil, of at least 3.0 Ohms (Ω). If you own a Harley Davidson bike, one of the things that might bother you is the ignition coil. If I'm reading the manual correct, they are supposed to be 1.8 - 2.2 ohms. It is expressed in ohms (Ω). Ignition Coil: The ignition coil is probably the easiest thing to check and therefore the first thing to check when embarking upon ignition system troubleshooting. Incorrect or low quality HT coils should be replaced for the correct sort. Ive ruled out Flooding and it does have spark, but I'm wondering about the ignition coil that once it heats up it fails. You will find that the primary resistance will be a low number; 0.5 to 5 ohms, for example. Set the positive lead of the multi-meter in position where the spark plug would usually insert – ensure it has made good contact. Resistance should be 12,500-18,000 ohms. 1.4 Ohm heavy-duty, external ceramic ballast resistor - installed between coil's + terminal and condenser or HotSpark ignition's red wire. Decided to leave the group of brown wires on that post instead of letting them hang loose in the engine compartment like I found them. Step 3: Test the secondary coil resistance. However, when the coils arrived, the coils were 3.0 ohm rather than the 0.6 ohm coils necessary fo the Thunderbird Sport ignition. However, for experts, identifying the problem is quite easy; but, it can be brain-racking for newbies or who isn’t familiar with motorbike mechanical issues. Testing the Coil or Armature Clip one end of the spark tester (service part number 19368) to the ignition cable and the other grounded to the cylinder head Print view; 3 posts • Page 1 of 1. willko1 Posts: 123 Joined: Mon Aug 13, 2012 9:22 pm the incorrect type of HT coil, IE one that does not have the metal frame around the coil body this maybe the cause of poor starting. Many threads point to possible ignition coils going bad. ? NOTE: DO NOT use the DC6-5 coil with the DS6-2. Applies to Hot Spark 3-Series (red) ignition kits. How to Tell if an Ignition Coil is Bad. No spark condition. Set your Multi-Meter to 20K Ohms and connect the black ground lead to the spark plug wire. 1.4 Ohm Ballast Resistor - Ideal for Use with Electronic Ignition and High-Voltage Charging Systems. 2000 Y33 q45 Ignition coil Ohm test explained bad good. 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