We apologize that this item is not available for pickup in … A ballast resistor is a resistor inserted into a circuit to compensate for different changes. In my research I have read on here some of Bubba's threads and posts recommending 3 ohms resistance in the 12 volt+ feed to the coil. If the original coil was simply given 12V through the ignition system then have no fear. If the tractor is equipped with a magneto, the basic ignition system itself will be unaffected by the change from 6 to 12 volts. The 6v coil is 2 ohms and draws 3 amps on 6 volts. it depends on which coil is used. By the formula I found (Ohms x 2= volt drop) a 1.25 Ohm resistor would work. The alt wire is only 12 gauge, will change this to 8 or 10 gauge for permanent use. First, the ballast resistor is the long, white ceramic thing attached to the left side of the coil assembly. This is a resistor inside the coil on the primary side that reduces the current flow partly so the points don't burn up. I am in the process of installing a points distributor system in my model T (SBC). If your multi-meter has different ohm settings, then put it on the “X1k” position. The coil is from an early 50s Ford 2 ton it tested at 1.8 to 2 Ohms, the high tension wires are used, the ballast resistor was used on this engine, prior to its being parked for 6 years. Check the multi-meter ohm setting. Part # : BK S43243. It isn't, however, just that simple. --Rob For what it's worth, I have been using a ballast resistor on my CD175 for a few years now with no problems at all. Without a ballast, ... 3. ARCELI 1460 Pieces Resistor Kit 73 Values 1%, 1 Ohm 1 M Ohm 1/4 W Metal Film Resistors Assortment for DIY and Experiments $13.99 Only 13 left in stock - order soon. Thing is someone says I need a ballast resistor or I may blow up my tacho?? Others might give a different answer to the question “what is a ballast resistor” like this: A resistor that has the property of increasing in resistance as current flowing through it increases, and decreasing in resistance as current decreases. The resistor being internal or external does not matter. The figure below shows a florescent light tube connected with a ballast resistor and a starting switch. A Pertronix II or III is a different story. To test your ballast resistor you need an ohm meter or multimeter set to ohms as previously suggested but you really need to remove the connectors from both sides of the resistor. Secondary resistance - 8 - 10,000 ohms. These Summit® ballast resistors are perfect for protecting your points-style ignition system. When voltage is tested, coil negative connected to gound and key turned to on, there is … IF you are using the Mopar electronic conversion ignition system ("Orange box") the ballast resistor is 0.8 ohms. It say's OEM replaceent, it also shows a 1.76 ohm resistance built in primarily. The 1.5 ohm would require a resistor (or be a direct replacement for the stock coil), the 3 ohm would not. That's with a 1.5 ohm ballast resistor and a 1.5 ohm coil. 2.9 total. This Video explains how the Ballast Resistor Works.For additional How-to Tutorials Visit our Website: http://www.howstuffinmycarworks.com A ballast is a kind of resistor who resist the current in the electrical circuit. Find great deals on eBay for ballast resistor and lucas ballast resistor. Interesting, a 71 car should have no ballast resistor and use a 3 ohm coil. The ballast resistor, supplies the needed voltage during the start up, and then immediately after the arc is established, it reduces the voltage in addition to regulating the current flow. Pickup in Store not currently available. My ballast resistor is 2.0 ohms and I have a .9 ohm coil. Find Summit Racing SUM-G5218 Summit Racing® Ballast Resistors and get Free Shipping on Orders Over $99 at Summit Racing! Peak current 3.7 A. Requires 9 V supply, with ballast resistor of 1.8 ohms. If the voltage measures more than +14.2 volts, you'll need to replace the voltage regulator, install a coil with 3 Ohms or more internal primary resistance or install a 1.4 Ohm external ballast resistor between the ignition switch and the coil's + terminal. Shop ... Classic Car Ignition Coil 16 Ohm Ballast Resistor, 134176A, GT6, GT7, TR6, Stag. Description #B4008-006, Ballast Resistor for Ignition Coils . In order to maximize the coil's output during starting, ballasted ignitions have a ballast bypass which sends 12 volts directly to the coil during startup. Secondary turns - 24500. Two commonly available 3 ohm coils are the Napa IC14 and the Pertronix High Voltage 40511. Why? The Flame Thrower 40,000V coils have internal resistance rated at 1.5 or 3.0 ohms. Another approach is to eliminate the ballast resistor altogether by using a replacement coil with 3.0 ohms of resistance. I'm not sure what this littlegem does exactl If it's powered through a ballast resistor or resistor wire in it's stock form, then continue to use such ballast. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35.00+. The coil is a Pertronix Flamethrower 1.5 ohm coil, same ohm value as the factory original coil. You can detect the presence of the resistor by measuring the ohms of primary side of the coil (terminal 15 vs. terminal 1). The external ballast resistor (or resistor wire) will provide an additional 1.5 ohms of resistance. I have a 1986 Glastron with a 3.0 Mercruiser. Primary turns - 240. Total about 3 ohm total If I keep the ballast resistor then I think I buy a 1.5 ohm. But for a Pertronix I using a 1.5 Ohm coil you need a ballast resistor or a supply of new coils for regular replacement. What I am wondering is if the 1.6 ohm coil will have sufficient output for normal running with reduced voltage supplied to the primary due to the 3 ohm resistor? Can I remove the ballast resistor and run a 3 ohm coil? Product Line : Balkamp. Order Ballast Resistor for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. From United Kingdom; Output 29.1 kV @ 100Hz. According to the paperwork that I have for my Lumenition kit, the power module is suitable for coils or coil/ballast combinations of not less than 3 ohms. Our Ballast Resistor is designed to be used in conjunction with our available External Resisted Ignitions Coils.External Resisted Ignition Coils have an internal resistance of 1.5 Ohms and when combined with the Ballast Resistor you get a total resistance of 3.0 Ohms which is necessary for 12 Volt ignitions systems. I have a factory tach that I still wanted to work so I kept the 1.5 ohm pink wire in place. But check and double-check. Shop with confidence. They allow you to install aftermarket coils without worrying about frying your ignition. Unsure how to tell if your Classic British Car has a ballast resistor or not? Tech Question Erik Bakko, Brooklyn, NY, 72 Dodge Swinger 318ciDear Mr. Mopar Guru,My ballast resistors have an expected life span of 3 months in my Dart. So you should go with OEM voltage delivery. Basic function: the ballast resistor is a resistor contained in the primary ignition circuit wiring that lowers voltage after the engine is started to reduce wear on ignition components. Iput 4000 miles on the clock in the last year. I've blown up two of these, one from not having a matched coil and ballast resistor (the total series resistance from the input of the ballast resistor to coil terminal 1 MUST NOT BE LESS THAN 3 OHMS OR IT IS LIKELY TO COOK THE PERTRONIX), and second one from just being a dope. 4. Part Number: RRA-18-5450 Not Yet Reviewed A “standard” coil will have an internal resistance close to 3 ohms on its primary windings. Multi-meter Ohm Setting. That is what I bought but it only drops the voltage maybe half a volt. Ballast Resistor. If you use the coil with the external resistor just make sure you have an external resistor. IF you are using points ignition and the standard Mopar coil (or the equlivant coil) the ballast resistor is 0.5 ohms. The solution to this problem was the ballast which reduces the voltage down to the 6-9 volts the 1.5 ohm coil prefers. The coil for a ballast ignition system will have a primary winding resistance between 1 and 2 ohms. Ballast Resistors, Marine Coil Resistors, 1.50 ohms Resistance, Each. EUR 9.98 + EUR 4.74 postage; 9 Watching. When I changed to 12v I kept the old coil and fitted a 2 ohm resistor in series. Check here for special coupons and promotions. A set of points would die in about a day with that much current. The ballast resistor. About the Product. Skip to main content. I fitted a small relay from the junk box with its coil in parallel with the starter relay coil. That's my $.02 Ballast Resistor For Use With A 1.5 Ohms Ballast Coil X9E8 W2E 5 out of 5 stars (1) 1 product ratings - Ballast Resistor For Use With A 1.5 Ohms Ballast Coil X9E8 W2E The 5.0 ohm section provided a low voltage source to the ECU module internal circuitry thru the 5th pin connection, while the 0.5 ohm section of the ballast resistor provided CURRENT limiting function for the ECU's switching transistor AND the coil's primary winding. Its also surprising that the Ignitor worked satisfactorily … I believe single should read 1.8 ohms and dual should read 1.8 and 5 ohms. The external resistor coil most likely has 1.5 ohms resistance, so you need a 1.5 ohm external resistor to have 3.0 ohms. And as mentioned, a 1.5 Ohm coil without a ballast resistor will be pulling 14.5/1.5 = 9.7 Amps. You should be getting 9 … As Rob says, surprising an unballasted 1.5ohm coil hasn't cooked but maybe you haven't been on any long journeys. It can either be a ballast resistor or a resistor wire. Our Ballast Resistor is designed to be used in conjunction with our available External Resisted Ignitions Coils. The resistor wire between the ignition circuit and the coil fried so I am replacin it with a ballast resitor to drop the voltage fro 12V to 9V so I don't burn up the coil. The ballast resistor has a resistance of 1.6 ohm. External Resisted Ignition Coils have an internal resistance of 1.5 Ohms and when combined with the Ballast Resistor you get a total resistance of 3.0 Ohms which is necessary for 12 Volt ignitions systems. Ballast Resistor in Fluorescent Lamp Additional 1.5 ohms of resistance is n't, however, just that.... In conjunction with our available external Resisted Ignitions coils the ignition system will have an resistance! 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