I cant speak for highly modified engines, or dyno comparisons, just everyday riding. ULTIMA IGNITION MODULE & KIT #53-60 Ignition Module #53-61 Ignition Module Kit. The only difference Ive ever seen in the single-fire over a dual-fire is the single might run a little smoother. It ran great at first but now has developed a problem. Replace the screws that held the cam position sensor, finger tight. assuming if the ignition. Ultima offered a complete, all-inclusive, package with single-fire coils, ignition module, and plug wires at a very economical price. Dynatek Single Output Miniature Coil Single-Fire Single Plug $128. I could never tell a whit of difference between any of them in seat of the pants performance, sound or mpg. Unscrew the smaller connections on the coil with an SAE wrench. I put the Ultima Single Fire on my 1981 XLH and I´m very happy. Ultima: Programmable Ignition Both ignitions looks similar and the only difference is logo and few inscriptions, but all switches and LEDs are exactly in the same place. INSTALLATION INSTRUCTIONS FOR eLeCTRONIC …. The most important difference is the price. Harley Davidson Single Fire Ignition. engine misfiring (evo single. Then turn the ignition switch on and it should read 12Volts. The easiest way to do that is with a 12VDC meter. IHarley Davidson Single Fire Ignition Ultima 53-660 for EVO Motors normal Harley ignition fires twice in one rotation when it shouldnt ! It only needs to fire every two rotations on. Tach on Single Fire Ignitions. 53-50 Single Fire Ignition: Fires each cylinder individually — no power waste. Double check all connections and that you have timing set properly instructions and diagrams available on ultima site if you dont have them it initially. Ultima® Ignitions Feature all of the latest refinements to motorcycle ignitions: The latest heat resistant components to prevent heat related failures Single or dual-fire mode switch Programmable advance curves with the purchase of the optional data link cable for the use of a laptop. The ignition on my build is acting up, its a brand new Ultima #53-642 single fire kit that came with the module, coil, and wires. Fits Big Twin 1970-1998, Sportster 1971-1997, Carb only models. With the ignition module loosely held down and the ignition switch on, we rotate the module back and forth until we find the exact moment the LED indicator light comes on—don’t go past that point. The single fire coil will have 3 terminals on it a front cylinder terminal, a hot terminal, and a rear cylinder terminal. Ignition kit includes single fire coil that puts out over 30,000 volts with fast rise times and. installed them and the bike wouldnt fire on the rear cylinder! checked everything 3 times as i. This harness on the bike runs through the mid downtube and where it exits at the top (by the front of the oil tank) it has a bend which vibration over time must have broken a wire. got the pick up unit, low ohm coil & wires. Save these items for later re-use. Discussion Starter · #1 · May 7, 2020 I had an ultima single fire ignition installed on my 98 FLSTC. Ultima Single Fire Ignition Troubleshooting. Check the wiring harness if switch 6 is set correctly. No power at coil or ignition module. Dynatek is well known from many years brand and Ultima produces cheap stuff from few years. With our flagship Dyna ignition modules and Fusion fuel tuners, Dynatek delivers superior results, no matter what you drive. Arguments for single fire ignition center around firing the second plug when the cylinder is not on the compression cycle, the wasted spark theory, the wear out the plugs theory, and the not enough spark in the right cylinder theory. a replaced the starter, solinoid & battery. Step 2 Disconnect, by hand, the two spark plug wires from the coil. problems with it. Today I went and checked for shorts in the ignition wiring and coil wiring and it checked out fine. Arguments for single fire ignition center around firing the second plug when the cylinder is not on the compression cycle, the wasted spark theory, the wear out the plugs theory, and the not enough spark in the right cylinder theory. Repeat Number Two and Number Three until you achieve the proper timing. Double check all connections and that you have timing set properly instructions and diagrams available on ultima site if you dont have them it initially sounded like you had it 180 degrees out but the fact that its not lighting up at all now is strange havent heard of many failures with these and most of them I have heard of are from wiring. Installation instructions for street application using 1970 & later coils with 5 ohms of primary resistance. Step 3 Set the ohmmeter to read resistance on the Rx1 setting. Connect wires, see wiring diagram. I am a long time believer in single fire as I had a early model that was mechanical on my old shovelhead that was like a distributer cap on the nosecone. 53-49 Dual Fire Ignition: Same as stock,fires both plugs simultaneously. 4 out of 5 stars 35 ratings / 6 answered questions. INSTALLATION INSTRUCTIONS FOR ELECTRONIC SINGLE FIRE IGNITION. IGNITION: NEW >> 53-625 & 53-626 External Ignition Kits << NEW For an Ultima Products Catalog call your Midwest Motorcycle Supply Sales Rep. Will work on Evolution Sportsters & all nose cone type Shovelhead & Evolution Big Twins motors from 1970 to 1999. The violet wire grounded will activate the green led,. In the 99 softail manual there is a procedure for checking the voltage with ignition in vertical position then in horizontal position but using some type of harness and checking between the green (+) and black w/ white tracer (-). ultima ignition problems anyone??. Also if your ignition has a seperate pickup under the points cover check it to see if it looks melted altho a faulty pickup will usually kill both cylinders not just one. Ultima Single Fire Programmable Ignition Module for Harley Davidson Carbureted EVO models- Made by DynaTek fro Ultima. This is “Race only” single fire high performance ignition. I would check the ignition wiring and do a compression test and test the coil primary and secondary resistance before throwing parts at it. Ultima Digital Ignition System 53. By process of elimination, by changing out each component one at a time for known good ones, I have eliminated, plugs, leads, coil, and VOES. Turn the ignition switch on and place the rotor magnet next to the ignition module pickup sensor. For an Ultima Products Catalog call your Midwest Motorcycle Supply Sales Rep. Single & Dual Fire Ignitions. The Haufim Ultima Single Fire Programmable Ignition Module offers eight advance curves, covering a wide range of engine configurations and riding styles. com: Customer reviews: Ultima Single Fire …. com/53-644_ that is the instruction sheet for this ignition system. Place the positive lead (RED) on the white wire at the coil. If an error is detected, the 2000i will immediately switch off and issue a warning by rapidly flashing the status indicator. 10 Best Single Fire Ignition For Harley Evo (2023 Update). How to test ignition module. installed them and the bike wouldnt fire on the rear cylinder! checked everything 3 times as i. Damn Ultima ignition crappin out on me. You do not use the module under the cover. If the rear cylinder is still the only one that is working, the ECM or ignition module is the problem. The bike has ultima single fire ignition, which has been in for over a decade with no problems to date. spark at all, new ignition. It also provides adjustable engine overdrive protection between 6,000 and 7,500 rpm and adjustable timing retard for nitrous and turbo applications. Its not getting any spark when it drops out. So Ive found the problem, now I have questions. the ultima ign green wire is the tach signal. The rear cylinder tries to light the bulb with each stroke of the piston, but the pulse happens really fast. Clockwise rota-tion of the ignition plate will advance the timing and the reverse will retard the timing. Tape unused wires, green or brown. decided to buy a ultima electronic ignition. I checked the negative wires that run from the module to the coil with a test light. (single fire) Hope this helps. For an Ultima Products Catalog call your Midwest Motorcycle Supply Sales Rep. Ultima products are not top of the line quality. installed them and the bike wouldnt fire on the rear cylinder! checked everything 3 times as i was sure i. single or dual fire, the tach only needs one trigger. Single Fire High Performance Ignition. Single & Dual Fire Ignitions. Ultima Single-Fire Ignition Model #s. The single fire coil will have 3 terminals on it a front cylinder terminal, a hot terminal, and a rear cylinder terminal. Clean them & reinstall unless too dirty, then just replace them with new ones. ignition >So Ive found the problem, now I have questions. Allow the engine to become cool to the touch before proceeding. 1996 and later should not be timed 20˚ BTDC as the OEM module, but at 35˚ BTDC. Double check all connections and that you have timing set properly instructions and diagrams available on ultima site if you dont have them it initially sounded like you had it 180 degrees out but the fact that its not lighting up at all now is strange havent heard of many failures with these and most of them I have heard of are from wiring. The principles of ingenuity, perseverance and diligence have been the bedrock of Dynatek since day one — and we’re just getting started. Ultima offered a complete, all-inclusive, package with single-fire coils, ignition module, and plug wires at a very economical price. The only difference Ive ever seen in the single-fire over a dual-fire is the single might run a little smoother. Ultima has an awesome ignition kit to upgrade or replace you Installing a new Ultima ignition in your evo motor Harley? I step you through the whole process. The easiest way to do that is with a 12VDC meter. stopped running on the front cylinder. application follow the link above to the official website of. to set the time that will put you close to 32 degrees when the T/F is in the timing window on the primary side, to be exact you need a dial back timing. INSTALLATION INSTRUCTIONS FOR eLeCTRONIC SINgLe FIRe IgNITION. Ultima Single Fire Programable >Amazon. The Ultima Single Fire Ignition system is. Ultima Single Fire Programmable Ignition Module for Harley …. Let’s have a look on instructions for both ignitions: http://www. With near stock motor I would set the switches at #1-off, #2-on, #3-off #4-off, #5-off (that will give you 6000 rev limit), #6-on. But when you ride with 1st and 2nd gears you must to go to 2nd and 3rd earlier than OEM ignition. Single & Dual Fire Ignitions. Try running new wires from ignition to coil and see if that corrects your issue. Once the mark for the front cylinder is set at center, you can tighten up the ignition plate’s standoffs, change out the acryl-. IHarley Davidson Single Fire Ignition Ultima 53-660 for EVO Motors normal Harley ignition fires twice in one rotation when it shouldnt ! It only needs to fire every two rotations on. Ultima® Engines are supplied with 4 reference timing marks on the flywheel to identify crankshaft location when viewed through the timing hole plug. long story short, i replaced the ignition with an ultima kit that was single fire. This is an almost identical system as the Dyna 2000i digital system. long story short, i replaced the ignition with an ultima kit that was single fire. Rotor, Single Fire Coil, Control Module and Plug Wires included. Double check all connections and that you have timing set properly instructions and diagrams available on ultima site if you dont have them it initially sounded like you had it 180 degrees out but the fact that its not lighting up at all now is strange havent heard of many failures with these and most of them I have heard of are from wiring up …. Ultima products are not top of the line quality. The Ultima Single Fire Ignition System is an advanced electronic Components of Ultima Single Fire Ignition System. Note it should spark when the magnet moved across the face of the sensor. cylinder timing is set at and rotate ignition plate to center the front cylinder timing mark in the view hole. Depending on what you purchased the basic install is to remove stock sensor plate in the cam cover. The single fire coil also draws more current and an additional 1-2 volt drop may occur in the long length of wire between the battery, engine stop/run switch, and the coil. With our flagship Dyna ignition modules and Fusion fuel tuners, Dynatek delivers superior results, no matter what you drive. Align with previously scripted mark for timing. This is an almost identical system as the Dyna 20. aswracing 8th August 2015, 15:20. 10K views 1 year ago COATS http://www. I have an Ultima El Bruto 113 and have had no problems since I finished it around July 08. (single fire) Hope this helps. Let me know the difference between Dyna 2000i Ignition System and Ultima Ignition System. The principles of ingenuity, perseverance and diligence have been the bedrock of Dynatek. Ignition System Component Diagram Single. 53-50 Single Fire Ignition: Fires each cylinder. You’ll likely have to go back and forth very slowly to find the precise moment the light comes on. 1st and 2nd became shorter with this ignition. http://www. The Ultima module replaces the entire ignition system. It is very important to get that right for proper timing. Learn how to complete a Harley Davidson ignition coil test to make sure your coil is performing properly. 8th August 2015, 15:20. 8th August 2015, 14:45 no not every tach needs an adapter. The violet wire grounded will activate the green led, but not flashing, Has anyone been working on the ignition? My guess would be the violet wire is crossed with either the tach lead, or one of the coil leads. But if the front cylinder now becomes the one that is working & the rear cylinder is the dead one,,, that tells you the. if you hook up both cylinders, you will get a double signal which will drive the tach crazy. The loom looked fine so it was tough to diagnose. Two weeks ago I rode it on Friday and it ran fine, parked it and went to. Ultima offered a complete, all-inclusive, package with single-fire coils, ignition module, and plug wires at a very economical price. Dynatek Single Output Miniature Coil Single-Fire Single Plug $128. 8th August 2015, 14:45 no not every tach needs an adapter. Ultima Single Fire Ignition Kit 53-660. cylinder timing is set at and rotate ignition plate to center the front cylinder timing mark in the view hole. Every time power to the ignition is switched on, the 2000i will check to see if the coil is shorted, mis-wired, or the wrong type. That really only leaves the Ignition module, or the pickup. IGNITION: NEW >> 53-625 & 53-626 External Ignition Kits << NEW For an Ultima Products Catalog call your Midwest Motorcycle Supply Sales Rep. What you can do is reverse both the secondary and primary sides to see if the problem is the coil or the ignition module that is driving it. In the 99 softail manual there is a procedure for checking the voltage with ignition in vertical position then in horizontal position but using some type of harness and checking between the green (+) and black w/ white tracer (-). I would check the ignition wiring and do a compression test and test the coil primary and secondary resistance before throwing parts at it. Also if your ignition has a seperate pickup under the points cover check it to see if it looks melted altho a faulty pickup will usually kill both cylinders not just one. Remove old ignition. Popular items Compu-Fire 51105 - Tach Adapter for use with Single Fire Coils. Place the negative lead (BLACK) on the aluminum plate of the ignition module. com: Customer reviews: Ultima Single Fire Programable Ignition. If it does then the power and ground it good. Turn ignition switch off and disconnect battery groundcable. Turn the ignition switch on and place the rotor magnet next to the ignition module pickup sensor. How to Install Ultima Harley Davidson Evo Motor Dyna FXD …. Move the rotor and magnet around in front of the sensor and look for spark at the spark plug. Take off the spark plug wires and look for corrosion and cracked or chipped insulation. Picked it up and i really couldnt hear it. Use lockwashers for stand offs for correct clearance of cover plate. Ultima® Ignitions Feature all of the latest refinements to motorcycle ignitions: The latest heat resistant components to prevent heat related failures Single or dual-fire mode switch Programmable advance curves with the purchase of the optional data link cable for the use of a laptop. Find many great new & used options and get the best deals for HARLEY DYNA 2000I ULTIMA 53-644 PERFORMANCE SINGLE FIRE IGNITION 71-99 HD FXR FX at the best online prices at eBay! Free shipping for many products!. power at coil or ignition module. These marks are as follows: Timing Marks This mark is also the reference when using a regular timing light to check total timing for all ignitions. Ultima® Engines are supplied with 4 reference timing marks on the flywheel to identify crankshaft location when viewed through the timing hole plug. Discussion in General Harley Davidson Topic started by ccryder, Feb 5, 2013. IHarley Davidson Single Fire Ignition Ultima 53-660 for EVO Motors normal Harley ignition fires twice in one rotation when it shouldnt ! It only needs to. Big Dog chopper with new ignition switch and Ultima single fire. The ignition on my build is acting up, its a brand new Ultima #53-642 single fire kit that came with the module, coil, and wires. The Ultima module replaces the entire ignition system. just about everything electrical was fubar. to set the time that will put you close to 32 degrees when the T/F is in the timing window on the primary side, to be exact you need a dial back timing light. Disconnect wires going from ignitionmodule (item 3) to coil (14). If any part of the Ultima Single Fire Ignition System is malfunctioning, there will be several symptoms that can be detected by visual inspection and diagnostic testing tools such as scan tools, logic analyzers, and oscilloscopes: Poor engine performance; Diagnostic trouble codes (DTCs); Unusual sounds coming from engine; And poor fuel efficiency …. Dont want somebody guessing on it. Feed the wiresof the ignition throughthe hole in the engine caseand seat the ignition. Pull out the spark plugs and check for fouling. 95 21 Vehicle Specific Drag Specialties YTX14LBS Maintenance-Free AGM Battery For Harley Sportster 2004-2022 $86. Intelligent overvoltage / overcurrent protection. Discussion Starter · #1 · May 7, 2020 I had an ultima single fire ignition installed on my 98 FLSTC. Ultima Single Fire Ignition Kit 53. No spark at all, new ignition. posted a few days/week ago about my bike dying and all the bs. 88 Vehicle Specific Drag Specialties YTX24HLBS Maintenance-Free AGM Battery For Harley Touring 1980-1996 $127. Ultima Single Fire Electronic Ignition Module for Harley / eBay Motors, Parts & Accessories, Motorcycle & Scooter Parts & Accessories / eBay!. A week ago my bike misfired on rear cylinder (wet plug, front plug dry) for a few seconds AFTER hard acceleration when I opened the throttle back up,. If an error is detected, the 2000i will immediately. The ignition on my build is acting up, its a brand new Ultima #53-642 single fire kit that came with the module, coil, and wires. installed them and the bike wouldnt fire on the rear cylinder! checked everything 3 times as i …. application, you may use 3 ohm coils. Or a Crane Hi-4 It has a kick start switch and will use your VOES switch to advance the timing Your Seasoned Chopper Friend is WRONG just sayin. I have had single fire, dual fire, Crane and Dyna ignitions on my slightly modified Evo. ULTIMA® Single & Dual Fire Ignitions Fits Big Twin 1970 thru 1999 Evolution® and Sportster® 1971 thru 1995, when using mechanical advance unit part No. Midwest Motorcycle Supply, visit www. Jun 21, 2011. I have an 89 FLSTC, bought it in Milwaukee and rode it home. Remove ignition cover plate and hardware (items 1 and 2). Fits Big Twin 1970 thru 1999 Evolution® and Sportster® 1971 thru 1995, when using mechanical advance unit part No. Check the wiring harness if switch 6 is set correctly. Take off the spark plug wires and look for corrosion and cracked or chipped insulation. Compu-Fire offers a complete line of components to help you achieve optimum electrical performance for your Harley Davidson motorcycle. From ignition systems to starters, gear sets to charging systems, you can rely on Compu-Fire to keep your motorcycle ready for the ride. mrrick 27th September 2009, 05:10. I run the Dyna 2000i on my 107, but besides the switch settings you need to set the timing also. hit the key to post anyway, what sucked if any of you remember my previous post that i just bought this shovel. Using an ohmmeter, connect both ends of the wire and tweak and twist to check if the wiring is broken. C Carbyde Member Aug 25, 2021 #6. to set the time that will put you close to 32 degrees when the T/F is in the timing window on the primary side, to be exact you need a dial back timing light. If any part of the Ultima Single Fire Ignition System is malfunctioning, there will be several symptoms that can be detected by visual inspection and diagnostic testing tools such as scan tools, logic analyzers, and oscilloscopes: Poor engine performance; Diagnostic trouble codes (DTCs); Unusual sounds coming from engine; And poor fuel efficiency …. I had an ultima single fire ignition installed on my 98 FLSTC. I have had single fire, dual fire, Crane and Dyna ignitions on my slightly modified Evo. Feed the wiresof the ignition throughthe hole in the engine caseand seat the ignition. Install the new Ultima module in the cam cover and run the wires up to the new coil. Once the mark for the front cylinder is set at center, you can tighten up the ignition plates standoffs, change out the acryl-. Step 1 Turn off the motorcycle. Both horse power curves were identical. I would check the ignition wiring and do a compression test and test the coil primary and secondary resistance before throwing parts at it. Ultima Single Fire Ignition Troubleshooting(Pull both spark plug wires at coil and swap towers) Start the engine. Let’s have a look on both ignitions: Dyna:. Ultima uses the stock style pickup and offers selectable timing curves and upper rpm cutoff as I had with the Compufire module. PDF INSTALLATION INSTRUCTIONS FOR eLeCTRONIC SINgLe FIRe IgNITION PART NO. Harley Davidson Ignition Coil. Let me know the difference between Dyna 2000i Ignition System and Ultima Ignition System. With our flagship Dyna ignition modules and Fusion fuel tuners, Dynatek delivers superior results, no matter what you drive. Theyre used on the very few single fire systems that dont. It ran great at first but now has. A week ago my bike misfired on rear cylinder (wet plug, front plug dry) for a few seconds AFTER hard acceleration when I opened the throttle back up,. 10K views 1 year ago COATS http://www. please explain how this is so?? i pull 7k+ in all gears. Dynatek Single Output Miniature Coil Single-Fire Single Plug $128. Discussion Starter · #2 · May 20, 2007. hit the key to post anyway, what sucked if any of you remember my previous post that i just bought this. ULTIMA® Single & Dual Fire Ignitions Fits Big Twin 1970 thru 1999 Evolution® and Sportster® 1971 thru 1995, when using mechanical advance unit part No. Ultima uses the stock style pickup and offers selectable timing curves and upper rpm cutoff as I had with the Compufire module. Ultima Motorcycle Products. Ultima Single Fire Electronic Ignition Module for Harley. IHarley Davidson Single Fire Ignition Ultima 53-660 for EVO Motors normal Harley ignition fires twice in one rotation when it shouldnt ! It only needs to. Testing under conditions where the only difference was the single fire or dual fire mode produced no difference in horse power. Ironhead ultima electronic ignition. Ultima programmable ignition how to test the single fire. I have an Ultima El Bruto 113 and have had no problems since I finished it around July 08. No increase in horse, torque or mpg. The Ultima Single Fire Ignition system is primarily designed for race Overview of Ultima Single Fire Ignition System. Today I went and checked for shorts in the ignition wiring and coil wiring and it checked out fine. Turn ignition switch off and disconnect battery groundcable. We do not sell to the retail public, to apply for a dealer. I had an ultima single fire ignition installed on my 98 FLSTC. pdf that is the instruction sheet for this ignition system. Note location of timer plate (10). This first you can buy from $210 and this second from just $110. Loosen the ignition plate’s standoffs and rotate the ignition plate clockwise to advance or counterclockwise to retard the timing. Now swap spark plug wires in the coil output towers. I put the Ultima Single Fire on my 1981 XLH and I´m very happy. Compu-Fire offers a complete line of components to help you achieve optimum electrical performance for your Harley Davidson motorcycle. Discussion Starter · #2 · May 20, 2007. What you can do is reverse both the secondary and primary sides to see if the problem is the coil or the ignition module that is driving it. 12v to tach (brown) will damage module. Ultima uses the stock style pickup. This harness on the bike runs through the mid downtube and where it exits at the top (by the front of the oil tank) it has a bend which vibration over time must have broken a wire. Now swap spark plug wires in the coil output towers. Every time power to the ignition is switched on, the 2000i will check to see if the coil is shorted, mis-wired, or the wrong type. Pay attention to the tach lead, as well as the wires to the coil. A tach adapter is just a pair of diodes that logically ORs the two primary wires on a single fire system while simultaneously isolating them from each other, thus creating a single signal that provides both primary signals for the purpose of driving a tach. To do this,,,1st make a current diagram of what color wires are going where. Rotate until the timing pickup (nearest to theswitches) is at the mark made in step 1. Ignition Modules Tested. Rear cylinder stops firing intermittently. The front cylinder has an intermittent miss, it will run good and all at once it will drop out then later pick back up. The 107 runs the best at 28 degrees btdc, if you use the light on the module. after the second time around the block it died. send single to the coil to fire as your distributor disperse the sparks to each plugs. If the rear cylinder is still the only one that is working, the ECM or ignition module is the problem. things that wont make your electronic Ignition Control Module fire, Camshaft Reference Mark Sensor if is bad, this sensor located next to the flywheel and its sense the rotation of the flywheel sending the single to computer and comp. I could never tell a whit of difference between any of them in seat of the. If you want to run a total electronic ignition The Compufire 21835 KS will do the trick you will still use your VOES switch thats on the bike now to advance ethe timing electrically. Align with previously scripted mark for timing. Two weeks ago I rode it on Friday and it ran fine, parked it and went to ride it Sunday and got maybe half a mile and it started back firing out the pipes and sounded like it was missing real bad. Took it back and he said it was probably just the timing. 53-50 Single Fire Ignition: Fires each. Ignition kit includes single fire coil that puts out over 30,000 volts with fast rise times and. Ultima® Evo competition series Engines Installation Manual. Then remove the coil and unplug and remove the stock module. com/skins/downloads/instruct/D2Ki. I have narrowed it down to the rear. Starts fine but it pings and chatters when i get into the throttle. Lubricate the new advance assembly shaft lightly with oil. READ FIRST: If you don’t know how to install this unit or are not familiar with it don’t try it! If you. Ultima® Products is distributed exclusively by. In the 99 softail manual there is a procedure for checking the voltage with ignition in vertical position then in horizontal position but using some type of harness and checking between the green (+) and black w/ white tracer (-). If an error is detected, the 2000i will immediately switch off and issue a warning by rapidly flashing. raeggis 43 subscribers Subscribe. I have had single fire, dual fire, Crane and Dyna ignitions on my slightly modified Evo. Changing from dual to single fire coil. posted a few days/week ago about my bike dying and all the bs. IHarley Davidson Single Fire Ignition Ultima 53-660 for EVO Motors normal Harley ignition fires twice in one rotation when it shouldnt ! It only needs to. The front cylinder wire just stays lit my understanding is this would leave the front coil always firing?. Ultima products are not top of the line quality. Tighten the module down and do it all again. Troubleshooting Ultima Single Fire Ignition: A Comprehensive >Troubleshooting Ultima Single Fire Ignition: A Comprehensive. Unscrew the smaller connections on the coil with an SAE. - YouTube Big Dog chopper with new ignition switch and Ultima single fire. ULTIMA® Single & Dual Fire Ignitions Fits Big Twin 1970 thru 1999 Evolution® and Sportster® 1971 thru 1995, when using mechanical advance unit part No. Ultima offered a complete, all-inclusive, package with single-fire coils, ignition module, and plug wires at a very economical price. A single fire coil can be converted to dual fire by simply placing a jumper between the two coil positive leads. From ignition systems to starters,. Ultima: Programmable Ignition Both ignitions looks similar and the only difference is logo and few inscriptions, but all switches and LEDs are exactly in the same place. Here is a good read on single fire VS dual fire,,, I am not a big fan of Dyna systems, have seen problems with the pick ups JMO Jack Klarich, Feb 5, 2013 #4. Says there should be 5V in vertical and change to 7V - 9V in horizontal after a 2 second delay. Once you get it to the correct position you should retighten the ignition plate standoffs then perform Number Two above again.