Iput 4000 miles on the clock in the last year. Unsure how to tell if your Classic British Car has a ballast resistor or not? 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. Order Ballast Resistor for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. Secondary turns - 24500. 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. It isn't, however, just that simple. Find great deals on eBay for ballast resistor and lucas ballast resistor. 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. 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. That's with a 1.5 ohm ballast resistor and a 1.5 ohm coil. If the tractor is equipped with a magneto, the basic ignition system itself will be unaffected by the change from 6 to 12 volts. If the original coil was simply given 12V through the ignition system then have no fear. From United Kingdom; Shop with confidence. I'm not sure what this littlegem does exactl Ballast Resistor in Fluorescent Lamp The coil is a Pertronix Flamethrower 1.5 ohm coil, same ohm value as the factory original coil. 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. 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 Output 29.1 kV @ 100Hz. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35.00+. The 1.5 ohm would require a resistor (or be a direct replacement for the stock coil), the 3 ohm would not. You should be getting 9 … These Summit® ballast resistors are perfect for protecting your points-style ignition system. 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. You can detect the presence of the resistor by measuring the ohms of primary side of the coil (terminal 15 vs. terminal 1). The coil for a ballast ignition system will have a primary winding resistance between 1 and 2 ohms. I fitted a small relay from the junk box with its coil in parallel with the starter relay coil. Two commonly available 3 ohm coils are the Napa IC14 and the Pertronix High Voltage 40511. Skip to main content. By the formula I found (Ohms x 2= volt drop) a 1.25 Ohm resistor would work. 2.9 total. 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. Product Line : Balkamp. Our Ballast Resistor is designed to be used in conjunction with our available External Resisted Ignitions Coils. Secondary resistance - 8 - 10,000 ohms. 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? If you use the coil with the external resistor just make sure you have an external resistor. The alt wire is only 12 gauge, will change this to 8 or 10 gauge for permanent use. That's my $.02 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. Primary turns - 240. I have a 1986 Glastron with a 3.0 Mercruiser. 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. 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. Ballast Resistors, Marine Coil Resistors, 1.50 ohms Resistance, Each. Check here for special coupons and promotions. We apologize that this item is not available for pickup in … That is what I bought but it only drops the voltage maybe half a volt. The external ballast resistor (or resistor wire) will provide an additional 1.5 ohms of resistance. A Pertronix II or III is a different story. The 6v coil is 2 ohms and draws 3 amps on 6 volts. Peak current 3.7 A. 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. Ballast Resistor. A set of points would die in about a day with that much current. IF you are using points ignition and the standard Mopar coil (or the equlivant coil) the ballast resistor is 0.5 ohms. The ballast resistor has a resistance of 1.6 ohm. The Flame Thrower 40,000V coils have internal resistance rated at 1.5 or 3.0 ohms. I believe single should read 1.8 ohms and dual should read 1.8 and 5 ohms. IF you are using the Mopar electronic conversion ignition system ("Orange box") the ballast resistor is 0.8 ohms. EUR 9.98 + EUR 4.74 postage; 9 Watching. Part # : BK S43243. 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. And as mentioned, a 1.5 Ohm coil without a ballast resistor will be pulling 14.5/1.5 = 9.7 Amps. 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. Find Summit Racing SUM-G5218 Summit Racing® Ballast Resistors and get Free Shipping on Orders Over $99 at Summit Racing! If your multi-meter has different ohm settings, then put it on the “X1k” position. But check and double-check. A ballast resistor is a resistor inserted into a circuit to compensate for different changes. 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. About the Product. A ballast is a kind of resistor who resist the current in the electrical circuit. If it's powered through a ballast resistor or resistor wire in it's stock form, then continue to use such ballast. The solution to this problem was the ballast which reduces the voltage down to the 6-9 volts the 1.5 ohm coil prefers. Its also surprising that the Ignitor worked satisfactorily … 4. First, the ballast resistor is the long, white ceramic thing attached to the left side of the coil assembly. Without a ballast, ... 3. When voltage is tested, coil negative connected to gound and key turned to on, there is … Description #B4008-006, Ballast Resistor for Ignition Coils . Part Number: RRA-18-5450 Not Yet Reviewed 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. This Video explains how the Ballast Resistor Works.For additional How-to Tutorials Visit our Website: http://www.howstuffinmycarworks.com Total about 3 ohm total If I keep the ballast resistor then I think I buy a 1.5 ohm. My ballast resistor is 2.0 ohms and I have a .9 ohm coil. The ballast resistor. It say's OEM replaceent, it also shows a 1.76 ohm resistance built in primarily. When I changed to 12v I kept the old coil and fitted a 2 ohm resistor in series. 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. The figure below shows a florescent light tube connected with a ballast resistor and a starting switch. As Rob says, surprising an unballasted 1.5ohm coil hasn't cooked but maybe you haven't been on any long journeys. I have a factory tach that I still wanted to work so I kept the 1.5 ohm pink wire in place. The resistor being internal or external does not matter. --Rob 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. They allow you to install aftermarket coils without worrying about frying your ignition. Pickup in Store not currently available. Why? So you should go with OEM voltage delivery. 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. Thing is someone says I need a ballast resistor or I may blow up my tacho?? it depends on which coil is used. It can either be a ballast resistor or a resistor wire. Multi-meter Ohm Setting. Interesting, a 71 car should have no ballast resistor and use a 3 ohm coil. Requires 9 V supply, with ballast resistor of 1.8 ohms. 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. Can I remove the ballast resistor and run a 3 ohm coil? This is a resistor inside the coil on the primary side that reduces the current flow partly so the points don't burn up. Shop ... Classic Car Ignition Coil 16 Ohm Ballast Resistor, 134176A, GT6, GT7, TR6, Stag. Check the multi-meter ohm setting. Another approach is to eliminate the ballast resistor altogether by using a replacement coil with 3.0 ohms of resistance. I am in the process of installing a points distributor system in my model T (SBC). A “standard” coil will have an internal resistance close to 3 ohms on its primary windings. Deals on eBay for ballast resistor and a starting switch an external resistor to have ohms! A florescent light tube connected with a 1.5 ohm coil Napa IC14 and the Pertronix High voltage.... -- Rob the solution to this problem was the ballast resistor or a supply new! N'T burn up 9 … a “ standard ” coil will have a factory tach that I still wanted work! Regular replacement florescent light tube connected with a 3.0 Mercruiser through a ballast resistor and lucas resistor. Resistor coil most likely has 1.5 ohms of resistance compensate for different changes your vehicle and pick it in., GT6, GT7, TR6, Stag, will change this to 8 or 10 gauge permanent... 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