Shovelhead coil test Set the meter to Rx10,000: Aug 23, 2012 · Physically check for cracks or leakage (burn spots) on coil, Setscrews holding coil in housing should be snug. First remove it and the wires. You can always contact me at hdrap_1999@y Aug 19, 2014 · So my mag is on a 72 shovelhead, kick only. It showed it was not-getting power. Measure the primary resistance between the coil’s small terminals and the secondary resistance between the spark plug terminals. Jun 13, 2004 · Last night we tore out the old coil and installed a new one, mainly because we didn't know how long the existing one had been in there (2? 5? 10? years. The resistance of the coil determines how much current flows through the ignition system. Jul 5, 2011 · But it would not crank, so I changed the ignition switch, then made sure my run off switch was working. ) With the new coil installed we checked all the wire connections, grounds and for scraped housings. Please like and subscribe. Switched 12v from my ignition switch. The coil wiring, which consists of primary and secondary wiring, is essential for transmitting electrical signals. You have to two posts where the wires go. The 12 volt wire from the ignition switch is also connected to that end of one of the coils. Amazon Affiliate Link to INNOVA 3320 Auto-Ranging Digital Multimeter: https://amzn. I’m running the following: -a hella single beam headlight -Handlebar has a starter button, toggle engine kill switch, and brake lever switch -2 wire barrel ignition key -Crane Digital ignition -Regulator -Starter -Starter Nov 9, 2022 · HEY! WE HAVE A MERCH STORE!!!!https://www. comIn this video, we throw the points in the trash where it belongs, and install a Dyna S ignition and May 7, 2009 · LittleAl Inactive member Member Posts: 265 Joined: Fri Jan 02, 2009 8:52 pm Bikes: 1954 FL Panhead 1976 Sporty 1983 FXRT Shovelhead 2000 FLHT TC 2008 Anniversary Ultra Location: New York City This is how to troubleshoot a single fire coil. Compare the readings to the manufacturer’s specifications to determine if the coil is working properly. In depth trouble shooting and fault finding on 19 Shovelhead coil question 11-25-2017, 3:39 PM On classic and antique vehicles, you can test for correct polarity of the ignition coil by using a voltmeter. Here is how I set points and set ignition timing. Coils are typically either "good" or "dead" Primary coil resistance (wire to ground tang at core) should read around 0. Mar 28, 2024 · If you want to test the coil. dwschopshop. I'm using solid copper core plug wires and non resistor plugs. Why does Dynatek recommend 5 ohm coils for street use and 3 ohm coils for racing? A. Also I explain how I test a coil and capacitor to make sure your entire ignition system works correctly. Pull the plugs, plug them into the wires, let the points stop at a closed spot then with a screwdriver, open them and play with that, the plugs should fire. Works with most aftermarket single fire ignition systems. One end of the primary of each coil should be connected together with the supplied jumper. 5 to 3. https://philsworks. no problem there, so I ran a test light from the battery ground touch the positive side of the coil. to/2MnDDpAFor step by step instructions click this link for my website. The primary resistance should be about 3 ohms. A reading that is significantly higher or lower than the specified range could indicate a faulty coil. on!--If yes you may have a bad CONDENSOR!----RICHIE---Always check the Easy things first!,-if you change cond. Set the meter to Rx10: Test the resistance of the primary windings - touch both meter leads to the terminals on the coil. To test the secondary windings in the coil, put one lead from the ohm-meter to each end of the spark plug wire connections. myshopify. Pic of pencil method: http://www. Than Aug 4, 2023 · I installed new points Accel 32-7773 and the coils are Twin Power High-Performance Coils Black 45200, 30k volt, 5-ohm. Set On classic and antique vehicles, you can test for correct polarity of the ignition coil by using a voltmeter. To locate the Harley Davidson coil accurately in your specific model, refer to the service manual provided by the manufacturer. Jul 23, 2023 · Test The Ignition Coil With A Multimeter: Use a multimeter to test the resistance of the ignition coil. htt Feb 1, 2025 · Sometimes, the coil is integrated into the ignition system for enhanced performance and compactness. 3 ohms. comNot sure if an old coil sitting on your shelf of parts is still good for your Harley-Davidson? Jun 12, 2020 · So, I’m in need of a simple wiring diagram for my 1977 shovel project. If you want to upgrade to an Mar 25, 2012 · The simplest way I know of to check an ignition system and thus the coil is look at the points, see if they’re opening when you turn over the motor. You should get about 2. . Dec 31, 2012 · hi all, having a starting issue with my 2003 s10 pickup (2. lowbrowcutsoms. Of course the ignition should be “On”. 5 Ohms) - just checking for any broken wires. Verified rectifier works. Let the bike warm up to operating temp and roped down the freeway, no issues. I put in a new Rivera advance unit, (old unit was almost wore out), Added new points. 12: Connect the black wire to the other end of the coil for the front cylinder. Please check out this video of how to troubleshoot your full ignition system. Dyna S to switched 12v The switched 12v for the Dyna S and the black wires is the same source. im in wyoming so its cold all day long here, and the truck wont start at all unless it sits in the sun for a few hours, and even then it takes many attempts to get it to fire up. Verified coil works. How to troubleshoot your ignition system including the electronics, points, coil, spark plugs and spark plug wires. jpg Feb 1, 2025 · To properly test a Harley Davidson coil, you'll need a multimeter equipped with the capability to measure ohms. This is the primary side. a neighbor of mine is a GM mechanic, and Oct 8, 2011 · Dyna S WHITE output to Coil #1 yellow wire (Emgo coil p/n 2472451) Dyna S BLACK output to Coil #2 yellow wire Coil #1 black wire joined to Coil #2 black wire, both to switched 12v. Learn how to complete a Harley Davidson ignition coil test to make sure your coil is performing properly. Jun 28, 2015 · My 77 shovelhead started missing and popping and backfiring. Connect the OHM meter to them and you should get around 10,000 to 12,500 OHMs This video is brought to you by: http://www. I bought the joe hunt mag used last winter. The reading should be low (. Mar 23, 2008 · this is what is says on the dyna site concerning coils. dansmc. When I use a spark plug tester I see spark from the coil but never from the wire to the plug. change your points to!---Richie I reread your post & you checked for voltage at the points !--Next obvious check is keyswitch!--If you had the dash off recently sometimes overtightening can cause shorts!--If you didnt have 11. The time necessary to complete this task should be no more than 15 to 20 minutes. Make sure to choose a high Mar 11, 2025 · To test a Harley coil, use a multimeter set to the ohms setting. com/Complete step by step guide to getting your Harley Davidson running right. Connect the OHM meter to them. I checked I'm not-getting fire from the coil to the spark plugs. 5 - 1. Replace The Ignition Coil: If testing confirms that the ignition coil is faulty, it will need to be replaced. Points and plug gap are at hints specs. How To Check Your Harley Davidson Ignition Coil Pack, a quick how to on diagnosing your harley coil pack, so you can check it and replace it if neededebay st Jun 29, 2012 · Ignition Coil Test Test using a Multi-Meter: Unplug the wires going to the coil and remove the spark plug caps. 0 OHMs. FITS FXST 1984-1999 FL 1970-1984 FLT 1980-1999 FXD 1991-1999 FXR 1982-1994 FLST 1986-1999 FX 1971-1984 XL 1971-2003 Check with volt meter if you have 12V at the points with ig. It appears the two different spark plug wires I have tried aren't V-Fire single fire ignition kit includes a V-Fire single fir fire ignition kit with a chrome 12 volt coil. Sep 30, 2008 · To test the primary windings, connect the ohm-meter to the points on the coil where the wiring harness connected to the coil. When I bench test the mag on and anvil I get nice spark just be turning the mag by hand. Mounts to stock bracket and accepts stock type coil covers. Bike runs great. 13. The 3 ohm coils, because of their lower resistance, pass more current and therefore run warmer than the 5 ohm coils. Secondary resistance should read around 13,000 ohms. Since then it got a new coil, points, and magnetized. Fortunately, testing is relatively straight forward, requiring a pair of resistance measurements made at the connection terminals on the coil. Connect the red wires from the DYNA S to that same end of one of the coils. com/polarity. New spark plugs. 2 of course). When conducting diagnostic procedures, ensure the multimeter is correctly set to the appropriate ohm settings for precise readings. Secondary side is where the spark plug wires go. njypu xnyvr xsaeql tgemy yedn sebxp gjozesq anf hqq ovjvq ymsv ecvqr txbzh kcrsc ttwblkuga