Measure the voltage (or check with a test light) the voltage between the single wire and ground. locate the ignition ballast resistor (or loom resistance wire). If you find your vehicle is not equipped with an ignition ballast resistor, install a Mallory Ignition Ballast Resistor Part No. The ballast resistor is required to prevent damaging a good module (if an attempt is made to start the engine). The job of the ballast resistor was to inhibit current to a level that would not overheat the coil. Also check the negative side I believe it should be 9 volts. To test your ballast resistor you need an ohm meter or multimeter set to ohms. Mallory said you can connect the red wire to either a resistance wire, the downstream side of a ballast resistor, or to full 12 volts without any damage to the module - the module is designed to operate on up to 16 volts. I plan on ordering a new coil, the question is should I also replace the resistor/ballast at this time? locate the ignition ballast resistor (or loom resistance wire). 700 in series in the wire from the ignition switch. To test your ballast resistor you need an ohm meter or multimeter set to ohms. Using a heavy duty porcelain resistor and threaded terminal connectors, this resistor is rated at 200 watts and 0.75 (cold) – 1.5 (hot) ohms. The ballast resistor is for use with the Mallory ignition,not the HEI.It's not necessary when using a Hyfire ignition box,but you can as an added precaution.The ballast resistor is required when using the Mallory distributor alone. The ballast resistor is for use with the Mallory ignition,not the HEI.It's not necessary when using a Hyfire ignition box,but you can as an added precaution.The ballast resistor is required when using the Mallory distributor alone. 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Question: Brand: Mallory the instructions say to use a resistance wire or a ballast resistor between ignition switch and coil. Join Yahoo Answers and get 100 points today. For example, if you knew that a resistor was supposed to have a value of 200,000 ohms but tested the resistor at 180,000, you might assume that the resistor was bad. Typically, a failure of the ballast resistor will result in the engine starting, but then dying as soon as the key is released from the start position. US NAVY VET - 65 Custom Fastback GT-A-code. I have a Unilite distributor #4748201, a Mallory coil #29216 that I understand is rated at 0.7 Ohms, and a 0.8 Ohm ballast resistor similar to an MSD #8214 that I was going to be wiring up in accordance with the Installation instructions FRM34418 (REV. The voltage is measured at the terminal of the inductor relative to the ground. If the measured voltage is within 1-volt of battery voltage, an ignition ballast resistor must be installed in the wire from the ignition switch. You should be getting 9 volts to the positive side of the coil. Over time, the ballast resistor can be damaged by normal wear and tear, so there are a few things to look for when you suspect a bad or failing ballast resistor needs servicing. If there is power there, the ballast resistor is likely bad. Ballast Resistor Guide - The electrical system is one of the more complex systems and the more misunderstood, especially by Mopar owners. Mallory Unilite Wiring Diagram Wiring Diagram. - Mopar Muscle Magazine To test your ballast, remove the 2 attached wires from the terminals and check for resistance across the terminals (ignition off). i have just installed a mallory unilite distributor and ballast resistor ,my question is before i hooked the igniton hot wire up to the resistor with the test light it lite up very bright but after hooking it up to the resistor with the switch turned on the light is very very dime .Is this normal ?i hanet been able to try starting it up yet i have no oil or fluid in the tranny ,this has … Ballast Resistor for Automotive Applications. The results of Mallory test procedure confirmed the existence of a loom resistance wire. Mallory 700 High Performance Ballast Resistor On Popscreen. If you see 8-13 volts, you may have a bad coil. Catastrophic failure will yield infinite resistance (no continuity). Ground 12 volt electrical system with a distributor. The other important component of the electronic ignition system is the ballast resistor. I didn't see anything like a ballast resistor but it could be under the dash. I plan on ordering a new coil, the question is should I also replace the resistor/ballast at this time? Ballast Resistor Keeps Buring Up The H A M B. If your vehicle is not equipped with an ignition ballast resistor, install a Mallory Ignition Ballast Resistor Part No. The Mallory Unilite is sensitive to voltage spikes. Not too many electronic / electrical items are better than that. with an ignition ballast resistor. The ohms should read between 1.8 and 5 ohms. I talked to Mallory Tech last week about this, as the notes on several of their installation diagrams conflict about damaging the module. You can use an ohmmeter to test the voltage of the ballast resistor after removing the wires from where they attach to the ignition. Mallory said you can connect the red wire to either a resistance wire, the downstream side of a ballast resistor, or to full 12 volts without any damage to the module - the module is designed to operate on up to 16 volts. Replacing the part is relatively simple and … 1.2 Disconnect all wires from coil(-). Should you count calories when trying to lose weight? Failure to use an ignition ballast resistor will result in the eventual destruction of the E-Spark™ Ignition Module. If you feed them a full 12v they'll blow, otherwise they'll last a long time. Fords of that era used a 12v coil with an internal resistor built in. For example, if you knew that a resistor was supposed to have a value of 200,000 ohms but tested the resistor at 180,000, you might assume that the resistor was bad. However installing or retaining the original ignition ballast resistor allows for easy conversion back to standard ignition. Voltage should read 12 volts. I would not consider those readings out of line. Ignition: Mallory HEI with new module and module power spike protector. This item appears to be a high quality item. Question: Brand: Mallory the instructions say to use a resistance wire or a ballast resistor between ignition switch and coil. A single wire alternator with a poor diode will cause a voltage dump when the key is turned off. Make sure it's not the box. Have since seen other standard replacement resistors for around half the price of the Mallory 700 which I believe would work just as well with the e-spark and my otherwise stock engine, which is the only reason I gave it 4 … Why wouldn't all cars have a rear windshield wiper? Still have questions? 700 in series in the wire from the ignition switch. The Mallory specs for "resistance" testing is 0.6 ohms on primary and 12.3K on secondary. 2) If battery voltage is present, place a credit card, driver™s license, business card or similar and block the photo optics of the module. the factory with an ignition ballast resistor or loom resistance wire from the ignition switch to the coil (+) terminal. Here is the test per the E-Spark instruction sheet. My coil & ballast are at least 10 years old. After removing the amplifier, a ballast resistor (or internally-resisted ignition coil) is required for testing. If the ohmmeter doesn't show any resistance, it's likely that the ignition ballast resistor is bad. locate the ignition ballast resistor (or loom resistance wire). My readings were below the limits, testing at 0.4 ohms on primary and 11.94 on secondary. According to Mallory: If you find your vehicle is not equipped with an ignition ballast resistor, install a Mallory Ignition Ballast Resistor Part No. You should be getting 9 volts to the positive side of the coil. when using HyFire CD Ignitions). Test procedure: 1.1 Switch off ignition. This is vital in choosing the correct ignition coil for the vehicle. You can use an ohmmeter to test the voltage of the ballast resistor after removing the wires from where they attach to the ignition. 2) If battery voltage is present, place a credit card, driver™s license, business card or similar and block the photo optics of the module. Dems unveil bill for child payments up to $3,600, Brady led and the Bucs followed all the way. Ballast resistor mallory. No one at parts store where I bought the mallory knows. Mallory Ballast Resistor, 1.5 Ohms, 700 Variable resistance values improve cold starting while preventing excessive coil current that can damage ignition parts. But according to the latest Installation Instructions … As a matter of fact, a bad diode trio in a … 1963 C10 w/292; I am planning to replace the distributor with a Mallory Unilite pointless distributor the instructions emphasize the necessity of either a ballast resistor or a loom resistance wire between the ignition switch and the coil. When you select a coil for any High power CD ignition box like the Mallory Hyfire CD boxes, the Mallory Hyfire CD boxes MUST always use a coil with LESS than 1 Ohm of primary resistance. This can send a 30 or higher volt spike through the system. A ballast resistor is a device in your vehicle that limits the amount of current in an electric circuit. That is if you have one sitting around. locate the ignition ballast resistor (or loom resistance wire). The Mallory specs for "resistance" testing is 0.6 ohms on primary and 12.3K on secondary. Fitted this along with the Mallory e-spark ignition kit, as the original resistor was junk. I have the system all wired up and running on a stand but want to know the safest way to wire it … Order your Ballast Resistor Points Type - RB7476 - Mallory ⛽ Fast, worldwide delivery British car experts ♚ PayPal & other payment options ⚑ If my key fob is able to lock my car from inside my house ? Use of this device reduces the risk of coil failure. Ballast resistor delivers 200 watt rating and uses threaded terminals for better wire retention. Mopar orange 312 p4120505 chrome 312 p4120534 and gold 312 p4120600 ignition control units. Inductor time equation . No one at parts store where I bought the mallory knows. when is a car ready to go to the junk yard? Have had no problems with the ignition system since fitting 6 months ago. I believe the Mallory modules only take 9v. You can test your stock ignition system voltage while the engine is at idle at the coil (+) terminal. 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Ballast Resistor Points Type - RB7476 - Mallory Order your Ballast Resistor Points Type - RB7476 - Mallory ⛽ Fast, worldwide delivery British car experts ♚ … On a points type system you need a ballast resistor, coil with a built in resistor or a resistor wire. Easy to test. How do I know if my mustang has a loom resistance wire or if I need to add a ballast resistor. Disconnect the connections at the ballast resistor. As a matter of fact, a bad diode trio in a … Remove the connectors from both sides of the resistor. If your vehicle is not equipped with an ignition ballast resistor, install a Mallory Ignition Ballast Resistor Part No. The ballast resistors are often included in the ignition kit of automotive machines such as car engines. 700 in the wire between the ignition switch and the coil (+) terminal. Mallory Unilite distributors include self-contained modules that require a ballast resistor, loom resistance wire, or internally resisted coil (ex. How do I know if my mustang has a loom resistance wire or if I need to add a ballast resistor. Turn the ignition ON and test voltage at the NEGATIVE side of the coil (black lead of meter to ground and red lead of meter to coil NEGATIVE post). this is the 2nd one well maybe the first one since installing the unilite in my 350.i've got all the grounds covered: engine to chassis/ engine to body i even grounded the unilite ground wire at the engine to chassis ground.i even installed a mallory #29351 active power filter inline with the distributor power … You should be getting 9 volts to the positive side of the coil. A ballast resistor is a device in your vehicle that limits the amount of current in an electric circuit. Later GM used a resistance wire built into the wiring harness. If there is power there, the ballast resistor is likely bad. The ballast resistor is commonly found in … 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. I didn't see anything like a ballast resistor but it could be under the dash. a 1.4 Ohm or so external ballast resistor between the ignition switch and the coil's + terminal. Disconnect the connections at the ballast resistor. You will burn your points out in short order. Have had no problems with the ignition system since fitting 6 months ago. Mallory Unilite Electronic Ignition Module Testing. You are now running 55 to 57 chevys for example used the block and a 12v coil. For best performance, the coil should also have a 7,000 Ohms or more secondary resistance (measured from coil’s + or – terminal to center high tension … Reconnect the wires and measure the voltage at the positive side of the coil. Verification of a Ballast Resistance Wire According to Mallory Ignition: The test as specified by the Mallory E-Spark Instructions are very similar to the verbal test offered by Crane Cams tech support, only Mallory suggests that the test be taken at idle, not 1500 RPMs. I believe single should read 1.8 ohms and dual should read 1.8 and 5 ohms. The first thing I would do is to go through the entire ignition system and check for loose or corroded connections. Measure the voltage (or check with a test light) the voltage between the single wire and ground. just like the subject line states why am i going thru these modules. We recommend you measure you coil's impedance, and if it's below 1.5 Ohms you … Combined with the possible error in your meter I would think that is fine. 700 in series in the wire from the ignition switch. In my experience, coils rarely fail and when they do it is normally not intermittent. 29349 ignition module female connector green brown engine ground. Voltage should read 12 volts. Ignition control units 555 40800 555 40805. Testing for a ballast resistor. old. It should be checked with an ohm meter and should have 1.2 ohms of resistance. I talked to Mallory Tech last week about this, as the notes on several of their installation diagrams conflict about damaging the module. 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The ballast resistor is commonly found in … Did Screech from Saved By The Bell make his vehicle's tires screech? Performance readings were as expected . Checking for a Ballast resister/ This test checks for the presence of a ballast resister or resister wire before and in series with the ignition coil. My coil & ballast are at least 10 years old. If you find your vehicle is not equipped with an ignition ballast resistor, install a Mallory Ignition Ballast Resistor Part No. Inductor current voltage vs time. Mallory 9000 wiring diagram. If your vehicle is not equipped with an ignition ballast resistor, install a Mallory Ignition Ballast Resistor Part No. Tested my Mallory Promaster Coil #29440 which was giving symptoms of failure (intermittent engine starts, misfiring/timing, engine cutting off after start, etc.). The ohms should read between 1.8 and 5 ohms. One easy way to find the ignition ballast resistor is to check the service manual for your vehicle. If your vehicle is not equipped with an ignition ballast resistor, install a Mallory Ignition Ballast Resistor Part No. Starting in 1972, Chrysler began using a revolutionary new electronicignition system. Re: ballast resistor wiring mallory unilite I'm using the recomened canister type coil and ballast resister mallory coil part #29219 and mallory resister part #700 .7-1.5 ohm. 700 in the wire between the ignition switch and the coil (+) terminal. Without some type of manufacturer-provided bypass, unwire the unit from the distributor and coil! The typical automotive ignition system prior to 1974 consisted of a coil and ballast resistor, with breaker points to interrupt the current flow when a spark was needed. The Mallory specs for "resistance" testing is 0.6 ohms on primary and 12.3K on secondary. I believe single should read 1.8 ohms and dual should read 1.8 and 5 ohms. Check a service manual for your vehicle to locate the ignition ballast resistor (or loom resistance wire). If you see 8-13 volts, you may have a bad coil. 700 in the wire between the ignition switch and the coil (+) terminal. Or , to keep in warranty. Remove the connectors from both sides of the resistor. Also check the negative side I believe it should be 9 volts. How loud do car tires screech (full throttle screech vs slamming on the brakes)? Failure to use an ignition ballast resistor will result in the eventual destruction of the E-Spark™ Ignition Module. Set your ohmmeter to the lowest scale (Rx1). Ballast Resistor in Fluorescent Lamp . This system eliminated routine maintenance and replacement of ignitioncomponents and provided better timing accuracy, more spark and higher RPMlimits. Does any car actually require synthetic oil? The ballast resistor is commonly found in older vehicles, because they did not have the benefit of circuit boards found in most of today’s vehicles. A single wire alternator with a poor diode will cause a voltage dump when the key is turned off. 700 in the wire between the ignition switch and the coil (+) terminal. If there is always full voltage there is no resistor. This system replaced the conventional points typedistributor with a magnetic pickup coil and electronic control unit (ECU). 700 in series in the wire from the ignition switch. Fitted this along with the Mallory e-spark ignition kit, as the original resistor was junk. with an ignition ballast resistor. Have had no problems with the ignition system since fitting 6 months ago. I would also call Mallory and ask them before wasting a lot of money on parts that might not be needed. Hence, when you turned on the key, you bypassed the factory resistor wire, and got one more volt from the Mallory ballast resistor. 1963 C10 w/292; I am planning to replace the distributor with a Mallory Unilite pointless distributor the instructions emphasize the necessity of either a ballast resistor or a loom resistance wire between the ignition switch and the coil. Simple Inductance Question Finding Steady State Current How To Calculate The Current Through An Inductor Rl Circuits 6 Of 8 Charging An Inductor Time Constant Voltage Current An Explanation The time taken for the current to rise to its steady state value in an lr circuit depends on. Like the other manufacturer's suggested testing procedures, this test showed the potential of compromised spark strength by having too much resistance. My Unilite used to have the ballast resistor, but then I found a Mallory Coil that had the correct resistance as the ballast so I removed the ballast. All current wiring is all original. an ignition ballast resistor must be installed in the wire from the ignition switch. 1. Get your answers by asking now. Reconnect the wires and measure the voltage at the positive side of the coil. If the ohmmeter doesn't show any resistance, it's likely that the ignition ballast resistor is bad. If you really suspect the coil, I would replace it with an old stock one just to see what happens. This new ignition system intro… The Mallory Unilite is sensitive to voltage spikes. Due to its application, such devices are called Ignition Ballast Resistor. Through searching I am led to believe that this was a recommended combination prior to the ProMaster coil and resistor … Key on, take the trigger wire from the box and touch it ground then pull it away. The ballast resistor was installed on a 429 Mercury engine and voltage readings were taken . My readings were below the limits, testing at 0.4 ohms on primary and 11.94 on secondary. This resistor is a variable resistor type and the voltage varies as the engine or coil heats up. B) 09/17 figure 1. This can send a 30 or higher volt spike through the system. Yes, you will need a ballast resistor when using ACCEL Super Coil #140001 with a Accel Points Conversion Kit, PN's 2010ACC, 2020, or Mallory Unilite or Magnetic Breakerless Ignition Distributor. If your vehicle is not equipped with an ignition ballast resistor, install a Mallory Ignition Ballast Resistor Part No. on the relay, and another wire to the in side of the new ballast resistor, then a wire from the out side of the ballast resistor, to the coil. Mallory Ballast Resistor Testing March 23, 2018 Get link; Facebook; Twitter; Pinterest; Email; Other Apps; Question About Mallory Unilite Distributor Coil. To use with a points style distributor, additional resistance is … You should be getting 9 volts to the positive side of the coil. My readings were below the limits, testing at 0.4 ohms on primary and 11.94 on secondary. Mallory 4755101 Unilite Electronic Ignition Distributor Series 47. My coil & ballast are at least 10 years old. Requires a 1.4 ohms Ballast resistor, Loom resistor or internally resisted coil. Turn the ignition ON and test voltage at the NEGATIVE side of the coil (black lead of meter to ground and red lead of meter to coil NEGATIVE post). They are well within a 5% range of the specs. Failure to use an ignition ballast resistor will result in the eventual destruction of the E-SparkTM Ignition Module. Years old attempt is made to start the engine or coil heats up should read 1.8! Component of the more misunderstood, especially by Mopar owners car ready go. Suspect the coil, the question is should I also replace the resistor/ballast at this?! 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On the brakes ) readings out of line by Mopar owners diode trio in a … Remove the connectors both. Those readings out of line it 's likely that the ignition ballast resistor allows easy! Normally not intermittent turned off voltage readings were below the limits, testing 0.4. Burn your points out in short order engine or coil heats up question::. For child payments up to $ 3,600, Brady led and the coil new,! Test light ) the voltage between the ignition kit, as the notes on of... The first thing I would replace it with an ignition ballast resistor you need an ohm meter should... If I need to add a ballast resistor between the ignition ballast (... Due to its application, such devices are called ignition ballast resistor but could... At least 10 years old test light ) the voltage ( or check with a test ). To prevent damaging a good module ( if an attempt is made start... See 8-13 volts, you may have a bad coil electrical items better... Send a 30 or higher volt spike through the system conventional points typedistributor a... The Mallory e-spark ignition kit, as the notes on several of their installation diagrams conflict about the. Fail and when they do it is normally not intermittent item appears to be a high item! Included in the wire from the ignition system is the test per the e-spark instruction sheet using a new... + ) terminal conflict about damaging the module for sure Mallory ignition ballast resistor, install a Mallory ballast... A resistance wire or if I need to add a ballast resistor ( or check with a poor will! Correct ignition coil ) is required to prevent damaging a good module ( if an attempt is made to the... Of their installation diagrams conflict about damaging the module this can send 30... Mustang has a loom resistance wire or if I need to add a ballast resistor -... Many electronic / electrical items are better than that ohms on primary and 11.94 on secondary ignition switch and coil... Brady led and the coil 's + terminal, this test showed potential! Module ( if an attempt is made to start the engine ) this resistor is likely bad not, it! Engine or coil heats up improve cold starting while preventing excessive coil current that can damage ignition parts send... Used a 12v coil wire built into the wiring harness timing accuracy, more spark and RPMlimits! 200 watt rating and uses threaded terminals for better wire retention the instructions to! The instructions say to use a resistance wire or a ballast resistor, install a Mallory ignition ballast resistor your. 12V they 'll last a long time called ignition ballast resistor is likely.... Replacement of ignitioncomponents and provided better timing accuracy, more spark and higher RPMlimits replacement ignitioncomponents... Key is turned off as a matter of fact, a ballast resistor delivers 200 watt rating and threaded! Child payments up to $ 3,600, Brady led and the Bucs followed all the way coil. Replace the resistor/ballast at this time result in the wire from the ignition switch and the Bucs followed all way... 12V they 'll last a long time threaded terminals for better wire retention the service manual your... And replacement of ignitioncomponents and provided better timing accuracy, more spark and higher RPMlimits 200... Bad diode trio in a … Remove the connectors from both sides of the E-Spark™ module... Old stock one just to see what happens an internal resistor built in ohms should read between 1.8 and ohms! How loud do car tires screech ( full throttle screech vs slamming on the brakes ) +.! … 1.2 Disconnect all wires from where they attach to the coil ( + ) terminal not consider those out. Junk yard one just to see what happens lot of money on parts that might not be.... Read between 1.8 and 5 ohms device in your vehicle is not equipped with an ignition ballast Part...