The voltage reaching the coil may be 12 volts, or about 7 volts if the coil has a ballast resistor. Nearly manufacturer was running ~. The rotating armature cutting through the current produced by the field coils forces even more current through the field coils that makes still more stronger voltage. The Ford EDIS system consists of a controller module, coil packs, a crank trigger wheel and matching variable reluctance sensor. There is a condensor on the side of the coil mounted on mtd. Ford EEC-IV/TFI-IV Electronic Engine Control Troubleshooting there is voltage at one of the coil terminals. 6ohms for DurasparkII and III Secondary resistance is measured between the "BATT" and the High voltage terminals of the coil with the ign off. secondary resistance must be 7,350-8,250ohms for duraspark I; 7,700-10,500ohms for duraspark II and III hope that helps at least a little. Ford “refined” the ignition system on an annual basis between 1974 and 1976, but only after three years of Beta testing did the introduce the final product in 1977 – the DuraSpark. what you got? and what kind of $$ ? or possible parts trades?. (coil and compensating resistor OK) otherwise continue to next step. The voltage then passes from the coil to the spark plug and creates a spark that ignites the air/fuel mixture. If, however, the voltage is above 7. Voltages over 7. Ford 8N Won't Start-No Spark tester and have voltage to the positive terminal of the coil but have a very dim light to the negative terminal of coil and coil side. The solution that Ford came up with is to make an adapter that attaches to the distributor. Pictorial diagram of a 1905 spark gap transmitter with HV capacitor (Leyden Jars) and output tuning coil. Gave me 5 ignition coil circuit malfunction codes. MOST IMPORTANT: Be sure to isolate the coil from the equipment wiring harness as well as the engine's wiring harness. Note: We have an entire section of the site dedicated to every year of Ford F-Series truck s. This prevents crossfiring with the higher coil voltage. you only need one wire,get rid of the coil and module less wire to worry about. I have seen very few pickup coils on Ford TFI systems go bad. 0 engines in particular. There are several threads on here that show "how to" build the Y-block / Duraspark II distributor - set the curve - and wire up the trigger and HEI brain. Overlooking the basics will leave to frustration and unnecessary time and expense. were you burning out stock coils when I did my duraspark the only wire I had to splice was the green to the coil from the ignition box I got the harness from the bone yard for the distributor three round and 4 round you can bypass the resistor for start from either start solenoid small wire or white wire going to duraspark (white start, red run) the wires are opposite coming from the ignition. pickup coil on the Pos napa distributor i bought went out after less than a year, so i replaced it with one off my 1982 ford granada Affiuliate Links Pick-Up. Vehicle started skipping then went dead. These are the necessary directions for wiring the Ford "Duraspark II" distributor trigger - to the HEI "four pin" controller. By Tom Benford. Some products are NOT Legal for sale or use in California on Any Pollution Controlled Motor Vehicle. you can simply add a mallory electronic unit to your existing distributor. The haines manual says for the Coil over plug that the Primary resistance should be about 0. The voltage reaching the coil may be 12 volts, or about 7 volts if the coil has a ballast resistor. Hopefully the picture gallery below will be useful for you. Both of these engines were discontinued for more than a decade prior to the availability of Duraspark. It has no spark. coils where the voltage will be increased. If correct voltage is present, go to step 16. The TFI-IV system module is mounted on the distributor base, it has 6 pins and uses an E-Core ignition coil, named after the shape of the laminations making up the core. Re: 65 ford 350 / 240 points duraspark II conversion Post by woodbutcher » Wed Oct 19, 2016 10:45 pm When I installed the first DS2 system that I used in my 74 F100,I got the wiring diagram for the F100 and the same for the DS2 and studied them for about an hour,to figure out what went where. NOTE: THE PERTRONIX IGNITOR IS EFFECTIVELY A "GO" OR "NO" SYSTEM. DuraSpark modules use a high voltage coil made specifically for DuraSpark ignition. Car Craft tales you through the steps of how to convert a Ford or Chrysler ingition to a GM HEI for a high-performance, more-efficient ignition. If you are searching for any new plan for your wiring then this ford duraspark iv ignition wiring diagram graphic must be on the top of resource or else you may use it for an optional. At the instant the distributor points open, the magnetic field around the primary winding of the coil collapses and induces a high voltage output at the secondary coil winding, and this high voltage is delivered to the centre of the distributor cap via the coil lead and is directed to the appropriate spark plug (a cylinder which is on the. Product Description 1979-1985 Mustang Duraspark Stand Alone Harness If you are building a custom build or doing an EFI to carburetor conversion on your 5. If, however, the voltage is above 7. I have a bunch of these. The Duraspark II is a Ford electronic ignition system. The coil dwell starts when a 5 volt signal is applied to pin A and the coil fires when the voltage drops to zero. Others thought the magic was that these coils didn't need a ballast resistor. ---the duraspark ignition coils use a the plastic horseshoe wire connector that snaps onto the coil posts--and that coil positive wire from the keyswitch was the resistor wire---and then there was a second wire that also connected to that same terminal that was a 12vdc power supply only when the starter solenoid was activated. The Problem with Antique Ford V-8 Ignition Coils Everyone who has early Ford V-8s knows that the coils with non-metallic cases can be a problem. A/X/Z Plan pricing, including A/X/Z Plan option pricing, is exclusively for eligible Ford Motor Company employees, friends and family members of eligible employees, and Ford Motor Company eligible partners. The TFI-IV system module is mounted on the distributor base, it has 6 pins and uses an E-Core ignition coil, named after the shape of the laminations making up the core. You can use any aftermarket coil that is between 1. Others thought the magic was that these coils didn't need a ballast resistor. com Car Chat > Ford > Windstar > Bad coil pack symptoms. Automotive Forums. The biggest change, apart from the control box redesign, was the large distributor cap to handle the increased spark energy. Ford part number for the low-impedance DS-1 ignition coil is D7AZ-12029-A. orange out of module to distributer purple out of module to. This is the Ford VOLTAGE REGULATOR group in the DASH section of the 57-79 Truck, 61-67 Econoline classic Ford parts list at CG Ford Parts. The Ford or Mopar electronic boxes are limited with either a resistor wire or large ballast resistor that limits the voltage to the primary side of the coil to around 7. [/QUOTE] GypsyR: My bad, sorry I accidentally included your quote with Texas. MSD 6 Series to Chrysler (late model) with 2 pin coil; MSD 6 Series to Ford Duraspark using white trigger wire; MSD 6 Series to Ford Duraspark using magnetic pickup; MSD 6 Series to Ford TFI coil (with harness) MSD 6 Series to Ford TFI coil (without harness) MSD 6 Series with Ford TFI harness with timing control; MSD 6 Series to GM 4, 5 or 7. The Duraspark I system, and the next version, Duraspark II were nearly identical in operation, and virtually identical in appearance. There has been lots of stuff relevant over the past few months. Refer to the individual Part Emissions Code in the part listing and application. i was on ebay and found a gm style dist. The Duraspark II distributor cap is larger in diameter to allow the high tension terminals to be spaced farther apart. However, there are more coils in the Secondary Winding inside of the Coil, thus there is more resistance to incoming current flow at the Secondary Winding Terminal, so the Coil's high voltage output to the spark plugs will be less if the Battery is inadvertently connected to the Secondary. The "buzz coil" contains of two windings of. The code definitions are a good starting point when determining the cause of the service engine light but where do you go from there? We have a large number of resources to help you repair the problem. (coil and compensating resistor OK) otherwise continue to next step. When using most ignition controls, the ignition delivers voltage to the coil. 1 for the primary winding, (the lower voltage small terminal), 1 for the secondary winding, (the center high voltage wire to the center of the distributer cap, and the 3rd, a small terminal where the primary and secondary are connected together, typically the negative side. This Duraspark II Ignition Harness is designed to connect the components in Ford electronic ignition systems using the “Blue Strain Relief” ignition module. 5 V will fire an Ignitor in a 12 V system. spaced farther apart. Ignition coil packs are available in a wide range of prices. Ford Dura Spark II System inducing a high voltage into the secondary windings of the coil. You will not, in most cases, see 12 volts at coil during start with either system; what you should see is slightly less than available battery voltage (after starter draw). You can plug into the Duraspark distributor connector with standard 3/16" female quick disconnects. 1956 1957 Ford Lincoln Mercury Coil BALLAST RESISTOR D Y VOLTAGE REDUCER, FORD, MERCURY, TRUCK. The authors have been discussing this subject for some. This coil features the same coil terminals as the stock Ford Duraspark "horseshoe" connector. Ford F-250 351 Windsor Runs for about 50 mi then quits with burnt plugs? so now the coil is getting too much voltage burning up the plugs. Order Ignition Coils for your 2010 Ford F-150 and pick it up in store—make your purchase, find a store near you, and get directions. please help!. The voltage regulator relay (bobbin) can be identified as the coil with just a few turns of heavy gauge wire around it. Read ALL instructions before proceeding. Ford used a number of different connectors and sizes on it's various fuel lines in different fuel injected vehicles. 1978 Ford Ltd pickup coil replacement. Street Fighter Series Street Fighter Series Coils are our 25,000 volt coils made for our customers who like using Accel and MSD coils. SFX Performance has been supplying customers with quality performance parts, wheels and accessories since 1997 and with over 20 years in the business and experienced techs and sales reps with years of automotive performance, motor sports and racing experience our technical advisors can assist you with any automotive project. The START position allows 12 volts into the Primary Coil to get a hot shot high-voltage engine start. Look for cracked insulation, splices, bare spots, cuts, etc. While doing a search on the net, I found Ford uses a resistor wire. Model A Ford Garage Powerhouse Generator Regulation Considerations. 5V or more with the engine running, there is a connection problem downstream. Let the sparks fly with your Ford Duraspark distributor by installing our new E. with wiring conector plug ends would be a bonus. An ignition coil is a high voltage transformer at its heart, and comprises of two windings (the primary and secondary), wrapped around a steel core - just like a normal transformer! The primary coil consists of a few turns of thick wire and the secondary, many many turns of thin wire. By then, the Bosch Blue coil was looking very dated indeed. The line of MSD 6-Series Ignitions are the most popular aftermarket ignitions in the world due to our race-proven performance on the track and our reliability on the street!. They do not require ballast resistors and they feature the same style connectors used on Ford Duraspark ignitions. But to my knowledge, no one has defined the problem. Davis Unified Ignition Ford Duraspark distributors can be used for everything from everyday street use to all-out racing. Model T ford HIGH VOLTAGE SPARK TESLA COIL POWER UNIT For the coiler looking for the model "T" ignition coil, there's one on e=bat now 16hours 30mins left the link is below the pic. There is a condensor on the side of the coil mounted on mtd. Testing Ice cube relay coils and contactors: First look at the relay or contactor to find out what voltage it takes to pull in the coil. Note that this image is the corrected version, not the one commonly seen on the internet having the internal mistake in the starting motor brush connections. A Ford F150 with a 5. Most Electronic ignition coils have. Without steady performance from this vital component, count on power loss, starting problems, engine noise and other undesirable effects. Each type of module is color-coded, which is intended to prevent erred installation. If the voltage is below 4. Note: We have an entire section of the site dedicated to every year of Ford F-Series truck s. The signs of a failing ignition coil include backfiring, starting issues, lowering gas efficiency, engine misfiring, vehicle stalling and worn out spark plugs. 1956 1957 Ford Lincoln Mercury Coil BALLAST RESISTOR D Y VOLTAGE REDUCER, FORD, MERCURY, TRUCK. I have a 1988 ford ranger with a 2. DuraSpark modules use a high voltage coil made specifically for DuraSpark ignition. Got the USED Ford E Coil yesterday. Fits Rocam Zetec Duratec Endura Engines. It had a wiring diagram of how to wire a Ford Duraspark ignition module into an older Ford car or truck. The ones I used were from F-series trucks and Mustangs. to fit the standard Ford V-8distributor. The regulator is set to maintain the generator terminal voltage between close limits at all speeds above. The battery, wiring harness, stator, rectifier, voltage regulator and associated switchgear are in the mix as well. Some coils are designed to handle a full 12V and MANY are not. While it’s the perfect coil to go with electronic ignition, this coil can benefit virtually any distributor type inductive system. 1 for the primary winding, (the lower voltage small terminal), 1 for the secondary winding, (the center high voltage wire to the center of the distributer cap, and the 3rd, a small terminal where the primary and secondary are connected together, typically the negative side. Ford F-150 Ignition Coil Failure Due to Excessive Spark Plug Gap - 161 reports. The accurate indication of a coil condition is the coil maximum voltage output test with a test spark plug. is a manufacturer of bimetal thermometers. I hope you also are using the MSD Blaster 2 coil with the threaded posts and NOT the Blaster 2F shown that is made to use the Ford coil connector. There is a condensor on the side of the coil mounted on mtd. to owner generated reviews, discussion, tech tips, and more! The #1 Ford Explorer enthusiast resource on the Internet since 1996. Hey yall,i did look through all of the duraspark 2 threads and could fine a clear answer as to what wires to tap into for the coil I tore out the old harness 1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks. Without steady performance from this vital component, count on power loss, starting problems, engine noise and other undesirable effects. There should be a bright blue spark between the electrodes every time the cylinder fires, provided that there is enough voltage reaching the spark plug. Fast forward to 1981. Ford used funky nylon fuel lines along the frame on some vehicles, with "push lock" fittings at the various connections. Ford Dura Spark II System inducing a high voltage into the secondary windings of the coil. The Blaster TFI Coils have MSD performance in factory style housings! MSD designed these coils by combining their Blaster Coil experience with E-core coil efficiency. The cap is made in two parts; the lower section is an adapter to fit the standard Ford V-8 distributor body. spaced farther apart. They do not require ballast resistors and they feature the same style connectors used on Ford Duraspark ignitions. 05" plug gaps that higher voltage coils made possible. The resistor regulates the voltage, keeping it at 6 volts, allowing the original 6 volt coil to be used in a 12 electrical system. For our CJs he recommends the oil filled coils and the Ford E Coil. The cap is made in two parts; the lower section is an adapter to fit the standard Ford V-8 distributor body. Even a how to use a duraspark distributor to trigger an HEI module. The original coil that was used with the Duraspark system was intended for use with external resistance and extended use on full voltage WILL make it run hot and shorten its life. DuraSpark modules use a high voltage coil made specifically for DuraSpark ignition. The 12 volt coils measure anywhere from 1 to 3. The first thing to remember that the system needs to have power. The engine may start. Battery voltage appears on that post only while the starter is cranking. 50 Taxed, Each £117. Spark plug gaps were widened to take advantage of the heightened current and to prolong spark plug life. Buy online, pick up in-store in 30 minutes. We also cover the Ford Ranger, Explorer Sport Trac, Mercury Mountaineer, Lincoln Aviator, Mazda Navajo, Mazda Pickups, and the Aerostar. All the wiring diagrams I've seen, including ones for upgrading to Duraspark and the Ford wiring diagrams for the 75-77 Broncos, all show a ballast resistor in series with the wire to the coil. It should be anywhere from 7 to 10 volts. For a layman, I would simply say that an ignition coil is a voltage transformer which comprises of two coils: primary coil and secondary coil. Vehicle started skipping then went dead. The battery, wiring harness, stator, rectifier, voltage regulator and associated switchgear are in the mix as well. While the voltage at the positive side of the coil shows satisfactory voltage for the Dyna-Module and Inferno Coil (10. Ford Duraspark coils - the type with two prongs that a horseshoe connector snaps on to. It was used on a number of Ford's engines, the EFI 5. I left the resistor wire in place when I upgraded my 70 to Duraspark, and it runs great. I got mine from a 78 Fai. Use the Ford DuraSpark coil or DuraSpark specific replacement such as Accel part number 140207 or MSD part number 8205. 00 Qty: Add to Cart. The Processor has been programmed to maximize output to the 40011 coil. The Duraspark II coils had an internal resistance of around 1. An ignition coil is a type of pulse transformer that multiplies the low voltage received from the battery or alternator to many thousands of volts when the breaker points open and close. 70Ω primary winding resistance). To do this attach a B+ (6V) protected (fused) to the primary side of the coil and a spark plug to the coil tower via a coil wire. Each Duraspark Electronic Distributor is custom calibrated on a distributor machine and blueprinted for your Ford engine to provide maximum power, torque and instant throttle response. The only problem I could see is the different current limiting values each module has, and the Dura-spark modules ability to control the higher current of the E-core coil. First would be over voltage to the coil. I do have power to the distributer modual and power to both the + and - side if … read more. Same style connector used on Ford Duraspark Ignitions; Lower Primary Resistance Than Stock; Produces More Output Voltage. How do you obtain 40,000 volts across a sparkplug in an automobile when you have only 12 volts DC to start with? The essential task of firing the sparkplugs to ignite a gasolene-air mixture is carried out by a process which employs Faraday's law. Its higher voltage allows larger spark plug gaps for added power, smoother response and better fuel economy. Idk y today i decided to look on the net to just go over everything and make sure i ran everything right and nothing is going to fry. Some you may already know but you may find some new info here. There have been a lot of advances in ignition technology through the years. The Ford Motorcraft Ignition Coil w/ EFI (83-95 5. I prefer the DuraSpark distributor as it is bulletproof. A lower resistance coil will pull more current, and more voltage in equals more voltage out. 7 voltage drop ballast resistor: 6. These coils control the position of the spool valve inside the injector. By Dan Davis. These are the codes applicable to the EEC-IV processor Ford vehicles. There are two sets of windings. Guys would post various problems - especially with no resistor wire Based on that, clearly the 'TFI' coil was not a plug and chug replacement for all situations. They do not require ballast resistors and they feature the same style connectors used on Ford Duraspark ignitions. I'm running a duraspark ignition module and was wondering how much voltage I should have at the + and - side of the coil with the key on and engine. Coils run hot because of the voltage that is constantly surging through them. The effect is to lower the available power to the coil, giving a running voltage of 6 to 9 volts. The front-mount coil is a marginal design, with very limited applications. While both were able to eliminate the issue of breaker-point wear, the Mopar unit, though transistorized, still used a ballast circuit, limiting spark output. The TFI coil gets a full 12 volts whereas the typical DSII coil get about 6-8 volts. You can double check this by measuring the voltage from that wire. However, there are more coils in the Secondary Winding inside of the Coil, thus there is more resistance to incoming current flow at the Secondary Winding Terminal, so the Coil's high voltage output to the spark plugs will be less if the Battery is inadvertently connected to the Secondary. It should be anywhere from 7 to 10 volts. + Items in search results. com FREE DELIVERY possible on eligible purchases. What this means is the voltage output of the coils is higher than stock, allowing the spark plug to ionize the gap between the ground and electrode more easily or to jump a larger gap with greater ease. The price is $85 for one completely rebuilt Model T coil plus + $14 for shipping, $99 total. Slide the coil wire through the black plastic cover and rubber gasket. Ford Escort, Laser, TX3, Sierra and Mercury Capri. An ignition coil is a type of pulse transformer that multiplies the low voltage received from the battery or alternator to many thousands of volts when the breaker points open and close. The haines manual says for the Coil over plug that the Primary resistance should be about 0. Duraspark II began around model year 1978 (some say 77, others say 79), with an implementation focus on Ford Small Blocks and V8s until about model year 1984. 9 volts (14 volts for Dura Spark I), then you have a problem in the resistance wiring and it must be replaced. This is a post titled Ford Duraspark Ignition Wiring Diagram, we will share many pictures for you that relate to "Ford Duraspark Ignition Wiring Diagram". If there is a ballast wire or resistor the voltage on coil "+" will be less than 10 volts. Read ALL instructions before proceeding. with the higher coil voltage. I'm currently researching about ignition systems in terms of ignition coils and want to solve for the output voltage of the process. There is still little to no evidence that Duraspark II was ever implemented by Jeep from the factory. The connector for the blue-top coil slides across the button terminals on this unit; you can wire these terminals separately or purchase the proper connector from an auto parts store. What Is the Way to Test a 12-Volt Ignition Coil? In order to test the spark, pull the spark plug from the engine, and then start the car. wires, hi top coil, distributor & p/u module that came off of various later years of ford p/u's & vans having the 302 engine. 1V, In gear 5Volts: 31 : Canister Purge: 8V-10V with Engine Running: 32 : Not Used : 33 : EGR Solenoid (Unleaded) Voltage Pulse @ 1800 RPM: 34 : Data Output Link: PWM Data: 35 : Canister. If reading is less than 6500 ohms or greater than 11,500 ohms, replace ignition coil. 7 ohms with no resistor. This page describes the installation of a GM HEI (High Energy Ignition) electronic distributor in my '74 Nova with a 350 small block. I am having trouble with getting enough voltage to the coil. If the voltage that is fed ("deposited") to the coil is higher than the charge in the windings, it fills faster and to a greater capacity. When the coil sends out the powerful voltage, your spark plugs spark and ignite the fuel. Duraspark II Ignition Harness. No ballast required. This may seem like a no brainer because the most obvious symptom of a BAD ignition coil is a no start no spark condition, but here are a few other symptoms you'll see along with no spark: None of the spark plugs will fire spark. In modern ignition systems specifications, smaller coils used. PROMASTER Ignition Coils may be mounted at any angle. The purpose of the ignition system is to generate a very high voltage from the car's 12 volt battery, and to send this to each. Current flows from the battery through the primary winding of the coil. Details: This Taylor coil has special winding and high voltage output. If I go straight from the positive terminal on the battery to the positive terminal on the coil, it starts and runs great. This page is a pile of parts notes and part numbers that have been accumulated from a varity of sources that make the conversion a bit simpler. Ford Duraspark Distributor Inspection Decals Speedo Gears 429 Engine Detail Identifying Platings Rear Sway Bar Valve Lash Mustang Central. How to test TFI system? Dont want to just throw parts at - Ford 1984 Bronco II question. Although the MSD diagram seems to show the Ford coil wires joining they are only illustrating how they physically come from the harness. Duraspark conversion video I also recommend the voltage to the coil be directly from a power relay so it receives full battery voltage and just use the original key switch wire to energize the relay. Duraspark II should see reduced voltage at coil while running, although with working charging system, less coil amperage used, it may not drop to 7 volt range. Street Fighter Series Street Fighter Series Coils are our 25,000 volt coils made for our customers who like using Accel and MSD coils. Use the Ford DuraSpark coil or DuraSpark specific replacement such as Accel part number 140207 or MSD part number 8205. When in 'start' position, the start wire goes to the coil side of the resistor, bypassing the resistor. sion, no part of the Model T Ford’s original design is more commonly misunderstood than the magneto ignition system. Ford designed the Dura-Spark with full charging circuit voltage but maintained the fixed dwell period of points. 5 volts), Performance Distributors prefers you to use the 70 watt gold resistor to allow enough current (not voltage) for an intense spark. ford 302 duraspark hot wiring SWD2263. Reliability of the aftermarket modules is hit or miss. Car Craft tales you through the steps of how to convert a Ford or Chrysler ingition to a GM HEI for a high-performance, more-efficient ignition. A/X/Z Plan pricing, including A/X/Z Plan option pricing, is exclusively for eligible Ford Motor Company employees, friends and family members of eligible employees, and Ford Motor Company eligible partners. This Duraspark II Ignition Harness is designed to connect the components in Ford electronic ignition systems using the “Blue Strain Relief” ignition module. Not intended as an original-replacement style harness. The actual output voltage should let you work out the turns ratio between primary and secondary of the coil. The Duraspark II is a Ford electronic ignition system. 4 Ohm heavy-duty, external ceramic ballast resistor - installed between coil's + terminal and condenser or HotSpark ignition's red wire. I have a 1988 ford ranger with a 2. Hopefully the picture gallery below will be useful for you. So, it came as no surprise when the company announced that Ford Coyote owners looking to add a bit more spark to their ignition system will now be able to take advantage of the SOS coil systems as well. I'm not sure if I may have damaged my Duraspark distributor when I accidentally connected the 12V wire to the + side of the coil. See your Ford or Lincoln Dealer for complete details and qualifications. The pinouts and diagrams are taken from How to Understand, Service and Modify Ford Electronic Fuel Injection & Electronic Engine Control by Charles Probst, the technical information on the SAW and inner workings of the EDIS module are taken from Ford Patent 4,922,874. The Duraspark II ignition system debuted in 1976 with the intent to make substantial increases in secondary voltage and extend system maintenance intervals. Got the USED Ford E Coil yesterday. The Duraspark I uses a special control module which senses current flow through the ignition coil and adjusts the coil for maximum spark intensity. 1948 - 1956 F1, F100 & Larger F-Series Trucks - no spark from duraspark II - I have a 48 with 460 from 78 van. OEM Ford Ignition Coils Your ignition coil is designed to deliver a high voltage spark to power your gas engine using the low voltage of your battery. When re cranked it sputters, skips and knocks. Ford Distributors & Ignition Systems: Few things about an engine build seem more mysterious and magical than the ignition system. Test Battery Voltage to Coil: With ignition switch ON, engine not running, check voltage at coil's + terminal. But I want to use the old points system while I'm redoing the newer distributor. To ensure quick ignition, investing with premium quality ignition coil is a sure fire solution to excellent ignition system performance. It can be used with both the large cap and small cap early electronic distributors. Duraspark II should see reduced voltage at coil while running, although with working charging system, less coil amperage used, it may not drop to 7 volt range. Same style connector used on Ford Duraspark Ignitions; Lower Primary Resistance Than Stock; Produces More Output Voltage. I just realized that I could use the 8-pin HEI that I have two of them already along with the coil with my Duraspark Distributor. were you burning out stock coils when I did my duraspark the only wire I had to splice was the green to the coil from the ignition box I got the harness from the bone yard for the distributor three round and 4 round you can bypass the resistor for start from either start solenoid small wire or white wire going to duraspark (white start, red run) the wires are opposite coming from the ignition. 1979 starting problem. Do not use a breaker point ignition. The Ford EDIS system consists of a controller module, coil packs, a crank trigger wheel and matching variable reluctance sensor. spaced farther apart. While it’s the perfect coil to go with electronic ignition, this coil can benefit virtually any distributor type inductive system. By then, the Bosch Blue coil was looking very dated indeed. This prevents cross firing. The Ford truck distributors from 1975 and 1976 have the same electronic pickup coil and harness connection as other Ford engines of the period. How To Troubleshoot A No Start (Ford 4. If I go straight from the positive terminal on the battery to the positive terminal on the coil, it starts and runs great. Nearly every manufacturer had upgraded primary coil voltage to at least 10 volts. As far as current in the coil, a Pertronix I is electrically identical to a set of points and the ballast resistor is required with a stock coil. DuraSpark modules use a high voltage coil made specifically for DuraSpark ignition. If you have questions please give us a call or e-mail us. to allow the high tension terminals to be. 83 voltage drop the voltage drop across the coil was quite far out of specification because i left my voltage supply on for a while and it got quite hot and added more resistance in my coil. Start by finding a 1976 or later donor car with the Duraspark II, or you can buy it new/rebuilt. Save ford duraspark coil to get e-mail alerts and updates on your eBay Feed. • The pickup coil must generate an AC voltage pulse to the ignition module so that the module can pulse the ignition coil. The way I do it is to just hook a 6 or 9 volt battery to the positive and negative terminals of the coil and see if I can make it buzz. And apparently your coils don't like the amount of resistance you have. Ford released two variations of DuraSpark in 1977, DuraSpark I, used exclusively in California and DuraSpark II used for the remaining cars. One coil of wire is called the primary coil. Just put a new magnetic pickup in it (Borg Warner. Although generic, the specific repair steps may vary depending on make/model. The cap is made in two parts; the lower section is an adapter to fit the standard Ford V-8 distributor body. Not 100% sure though. Thanks for his permission to post it here, too! Grounding:. (Extra Dwell) Dyna-Mod features a higher electronic dwell setting over a stock module plus a built-in rev limiter. Click image to enlarge! Pictured above is the wiring diagram for the Model A as illustrated in Dykes Automobile and Gasoline Engine Encyclopedia Supplement, page 16. I would use a new coil for the year Duraspark you have or add a resistor for the coil you are running. Got the USED Ford E Coil yesterday. FYI FORD - MustangSteve's Ford Mustang Forum The Internet's Most Knowledgeable Classic Mustang Information IF YOU HAVE A QUESTION ABOUT CLASSIC FORD MUSTANGS, YOU HAVE COME TO THE RIGHT PLACE! MustangSteve has over 30 years of Mustang experience, having owned 30 of them and restored several others. Some hit and miss engines run on magneto and some run on ignition coils. I agree with everything you say. Duraspark II distributor Pick Up Coil. Secondary Coil -Creates a high voltage when enacted upon by the collapsing of a magnetic field in the primary coil. Although the MSD diagram seems to show the Ford coil wires joining they are only illustrating how they physically come from the harness. Mallory also said running a coil at 12v would oversaturate it causing negative effects. Each Duraspark Electronic Distributor is custom calibrated on a distributor machine and blueprinted for your Ford engine to provide maximum power, torque and instant throttle response. Note that this image is the corrected version, not the one commonly seen on the internet having the internal mistake in the starting motor brush connections. Most electrical equipment works on 12 volts, but most modern cars have a resistor in the ignition system to assist starting. By Dan Davis. I am going to use the Ford Motorcraft DG508 Ignition Coil as an example. Fits Rocam Zetec Duratec Endura Engines. 0 engines in particular. CYLINDER SELECT LOOPS Figure 3 Adjusting the Rev Limiter. Nearly every manufacturer had upgraded primary coil voltage to at least 10 volts. made for ford for cheap so i bought it. The Duraspark II is a Ford electronic ignition system. The coil is a simple device -- essentially a high-voltage transformer made up of two coils of wire. The Ford Duraspark we offer is a high performance unit for those who want a completely stock appearing or factory style electronic distributor. The project requires light to moderate mechanical skill. This Duraspark II Ignition Harness is designed to connect the components in Ford electronic ignition systems using the “Blue Strain Relief” ignition module. FYI FORD - MustangSteve's Ford Mustang Forum The Internet's Most Knowledgeable Classic Mustang Information IF YOU HAVE A QUESTION ABOUT CLASSIC FORD MUSTANGS, YOU HAVE COME TO THE RIGHT PLACE! MustangSteve has over 30 years of Mustang experience, having owned 30 of them and restored several others. There should be a bright blue spark between the electrodes every time the cylinder fires, provided that there is enough voltage reaching the spark plug. These are the codes applicable to the EEC-IV processor Ford vehicles. With an ever-expanding line of SuperCoils and all the spark plug wires, tune-up kits, and fuel injectors hot rodders have trusted and relied on for years, ACCEL is constantly developing innovative new products designed to push power, speed, and performance to match advancements in automotive technology. Ford Motor Company began using electronic ignitions in 1973 with the Duraspark electronic ignition system and introduced the Duraspark II system in 1976. Got the USED Ford E Coil yesterday. Each type of module is color-coded, which is intended to prevent erred installation. The inside of the coil is full of stiff tar and the plug wires cannot be removed when the coil is cold. 2 voltage drop i then measured the the voltage drops myself with a multimeter: coil: 4. Duraspark II arrived in 1977 with a larger distributor cap to handle the increased voltage. MSD was the first company to develop and offer the multiple sparking, capacitive discharge ignition for engines.