Ford ignition resistor wire. I think the problem is more likely with the .

Ford ignition resistor wire I know on a '65-66 that you can unplug the wire. Oct 22, 2002 · 1967 - 1972 F-100 & Larger F-Series Trucks - ballast resistor - what is a ballast resistor? i have a 1970 f-100 with a 302 and im trying to install a pertronix ignition system it says i need to connect the red wire from the ignitor to a connection before the ballast resistorwhat do ya'll reccomendim using the Aug 5, 2009 · True, the stock Ford coil works very well with PerTronix I. I cannot find a resistance wire or an external resistor (proceline ballast?). It goes over to a connector that goes out to your coil, along with your oil pressure and coolant temp wires. Feb 12, 2002 · So last night I decided to pull my dash out of my '65 289 coupe to mess with the fuel gauge, and "while I was at it" I started messing with the ignition switch. Dec 15, 2009 · The ignition coil has both primary and secondary wiring in the form of winding circuits. I'd like information on the OTHER resistance wire, the one that comes from the "A" pin on the Ignition Switch Connector and is common with the power feed for the accessories. It's not a separate part (like the old Chrysler ballast resistors). This was to protect the points. Apr 3, 2021 · It looks just like the red/light green wire you see going into the loom. (if you Jan 28, 2018 · Looking at the wiring diagram for 1970, I see the resistance wire from the "C" pin on the Ignition Switch Connector that goes (through a connector) to the Coil. Feb 26, 2025 · Ballast resistor Early V8 (1932-53)Sponsored Links (Register now to hide all advertisements) Aug 24, 2008 · I finally got around to upgrading my factory points ignition in my 73 torino 351w. Between the battery side of the coil plug and the wire on my wiring harness that plugs into the red wire in my ignition module I see 5. Dec 11, 2020 · Would it be ok to connect a 14 gauge wire to ignition switch and a universal ballast resistor to coil to bypass original resistor wire. Ignition: The IGN 12V falls away when I turn the ignition to 'Start'. Some aftermarket ignition systems like a reduced voltage at the coil; others require a full 12V. Jan 28, 2020 · From my limited understanding, the pink wire on the ignition switch on the steering wheel column is a resistor wire, designed to decrease voltage to the coil after start. Keep the pink wire with the resistor connected to the ignition switch. Jun 29, 2016 · Look at your firewall, towards the center, behind the engine. Specifically, I?m looking for a resistor ignition Feb 22, 2024 · It depends, the ballast (resistor) drops the voltage - but what's really going on is limiting the current or amperes flowing through the primary circuit of the ignition itself and the ignition components - the wiring/points/module. if you May 12, 2015 · 1936 Ford Wiring mistery Early V8 (1932-53) Aug 17, 2019 · Yes, there is a resistor wire. 99 $39. Not sure about the other stuff yet, but plenty of people here will chime in to fill in the blanks I'm sure. I wired from ignition switch to resistor to "+" side on the coil and so far no worries. , lol which might explain why my coil got fried? Dec 18, 2012 · The resistor wire is pink and runs from the ignition switch to the firewall. On one of the other postsThe posts in the schematic (see Jul 29, 2018 · I have a 1947 Ford tudor which I am having starting issues with, I am pretty sure it’s to do with the wiring. May 4, 2020 · Wire from the distributor goes to negative (-) on the coil. This article provides step-by-step instructions and helpful tips to ensure proper installation and wiring of your ignition coil ballast resistor. I thank you in advance for Jul 26, 2022 · If you have scrapyards, any pre-HEI (~1975) GM car or truck would have had one. 1st the old coil is marked on top battery on one post and distributor on the other post. Does the 1970 Mustang 351C have a ballast resistor from the factory? I didn't This new old reproduction stock ignition coil ballast resistor wiring harness was manufactured by Ford Motors for use on the following models: Ford 1960-1972, Ford 1965-1968 Mustang, Ford 1966-1968 Bronco, Ford 1973 – 1977 All. If you have a stock or stock-replacement ignition coil designed for an external resistor you need either the wire or other type of ballast before powering the coil. If you can measure 12 volts at the coil after starting, most likely the resistor wire is bad. Even the insulation is special. from the relay goes to The ignition wiring diagram of the Ford 8n tractor consists of several components, including the ignition switch, coil, distributor, spark plugs, and wiring harness. Jul 9, 2008 · The Accel coils will work be nicely. . You may just have a problem at that connector. These resistors are called power resistors and come in 10,20, 100 watt etc. Its Apr 23, 2021 · It should be going to the ignition coil - it's purpose it to heat up and reduce the amount of voltage going to the coil to prevent it from overheating, same as a ballast resistor. We would like to show you a description here but the site won’t allow us. 70 In Stock Jun 20, 2018 · It's the ignition coil that determines whether you need the resistance wire, or not. I then added a new wire from the coil going straight to the ignition switch. 5 ohms but is able to carry the current required. While doing research on this issue other 1963 Tbird owners members with Pertronix ignitions indicated that they had disconnected the resistance wire and taped it off. as for the coil, these days coil manufacturers will tell you that if they include a ballast resistor with the coil, you need to use the ballast resistor, even if you use the resistor wire as well. Mar 23, 2010 · The "switched out" ignition systems you mention are designed with a wire or resistor that does not change in value -- the only two states for the system are with the resistor switched out when starting or with it in series with the primary side of the coil when running. It has been converted to a 12V system (before I purchased it). 5)??? Jun 12, 2011 · Ignition and Coil Wiring Kevin, I dug up my spare ignition switch in hopes of being able to tell you where that Pink wire goes. Dec 4, 2005 · Where's the Resistor wire on 79 F150 400 engine? I think I may have a open wire in it. The wire in question is the resistance wire that went from switch to the coil, going Jun 30, 2019 · I see wire 262 feeds a full 12 volts back into the ignition circuit downstream from the resistor wire while the starter cranks for a hotter spark at that time. Jun 1, 2021 · The car starts up fine and was running/driving when I bought it. Attached is the diagram for the ignition wiring. Run the red-green wire from the ignition switch to one side of the ballast resistor. I heard its supposed to be a pink wire but I don't see any pink wires at all. I am hooking up electronic ignition to my 1970 3000. 8 ohm resistor sounds about right. I have a 73 Montego without a tack and it keeps blowing condensers. Apr 22, 2020 · Looking at the 1968 diagram, the pink 16b resistance wire is continuous to the ignition switch without the bullet connection earlier years had so you can't just unplug the pink wire and plug in a new wire to the ignition. my pink ignition resistor wire was melted so I replaced it with a similar gauge wire. Feb 1, 2011 · The 12 volt red/green wire runs from the ignition switch to a bullet connector, from where the pink resistor wire takes over and on it's way to the coil. 66 Mustang Ignition Resistor Wire Bypass mechtrician1 5. One of these wires should be red w/ green trace. they are large and square. I want to do my F1 Ford truck's wiring in three phases (Ignition, Accesories, Lighting). Jun 27, 2007 · Before that, Ford put a thicker, pink resistor wire coming from the ignition switch, spliced into the wire that went into the coil (you only needed a certain length of resistor for the car, so that's why you would only have such a short length of it. According to them, I need to bypass the resistor wire for a 12v switched source. Jan 20, 2010 · The . I need to do this to install a ready to run distributor to by-pass the ignition box, I am so tired of my truck not starting. I am running the original points Crab distributor and 12V. I have been running an Accell street billitt electronic disbutor for over a year now, but its never been right. If anyone has done this on 78 bronco I could use your help. Jul 22, 2019 · 1961 - 1966 F-100 & Larger F-Series Trucks - Ignition Coil Wiring Diagram - Before I start splitting open electrical tape, can someone post a wiring diagram that includes the ignition switch, ignition coil, and starter solenoid? For reference, this is a 1966 352FE. So, twelve volts to the coil to start the car, and then less voltage once the key is in the “run” position. I've read that the wire drops voltage down to about 9V and was done to reduce the wear on the points. The coil primary winding consists of more than 100 turns of insulated heavy copper wire. So where the heck is that wire on the car? Oct 1, 2018 · I recently bought some new ignition components to replace some worn wiring, including a new ignition harness. Covers both 6-volt and 12-volt conversions with labeled components. When ballast resistors develop issues, your vehicle might show symptoms Apr 16, 2007 · The resistor wire is a pink (yes, pink) wire coming off your ignition switch. And wire 904 is 12 volt power from the ignition switch to the regulator, on when the car is on. I see both the red - green wire and red - blue wires coming out of the ignition switch and I'm pretty sure I see the same red-green wire going into the main May 19, 2020 · Checking an Ignition Ballast Resistor Early V8 (1932-53) Aug 26, 2004 · What does it meen when the Pink wire in the dash "iginition resistance wire" Is getting really hot when the key is turned to the ON position. 2) Came with points ignition and I had it running for a couple Oct 31, 2019 · Electrical Systems/Wiring - Ignition resistor wire? - Hey guys. With electronic Dec 2, 2012 · Not 100% sure on this but, I'm thinking that the resistor wire is the entire wire between the ignition switch and the 4-terminal firewall connector. You can go two different ways, one is to disconnect the red/light green wire at the ignition switch and run a new wire from the ignition switch to the coil, bypassing the resistor wire. Aug 25, 2015 · I only know the 66, but the 67 should be similar, first get yourself a copy of the wiring diagram or use 1967 Mustang Wiring and Vacuum Diagrams - Average Joe Restoration. Jan 10, 2017 · A previous owner probably had a Chevy mechanic work on the car, not knowing that Ford used a resistance wire buried in the harness instead of a resistor that is more easily replaced. Does anyone know if there is a resistor in the ignition wire? Nov 3, 2023 · Wiring a ballast resistor is a crucial step to ensure proper voltage regulation and prevent damage to your ignition coil. Nov 4, 2007 · You can put a brand new regular wire from the switch out to the firewall, and then go buy a Chrysler type resistor and mount it to the firewall and run the wire to it, and then out to the coil. Ballast resistors are no longer present in modern vehicles because of electronic ignition systems. While the resistor wire does drop voltage, the actual purpose is to reduce the current through the points, which will quickly burn up without it. If this wire is damaged or missing, since its difficult to replace, you just put a ballast resistor of equal resistance in the circuit. In which case, the definition of the "no external resistor required" is critical to that application. Learn how to wire an ignition coil ballast resistor with a detailed diagram. I am looking for the pink resistance wire but don't see one under the dash when looking up lying on the floor. Whether you have a tach or not, the resistor wire is still needed. I can not see a ballest resistor in the system but under the dash looks to be a resistance wire? ( a length of wire with insulation around it and coupled up with a cable tie?) when I turn on the ignition switch I only have 7 Mar 7, 2025 · 22k ohm resistor Ignition wiring dark green / yellow wire from the ign coil March 07, 2025, 08:11:22 PM helped a guy out who watched my several parts series on youtube relating to bench testing your TFI's & PIP's off the car to verify your spares are actually good. You said your not getting "reduced voltage" to the coil - so are you getting a full 12V to the coil when the ignition is On - so I assume from this you mean your not getting any voltage to the coil in the On position. Truck will run then suddenly die. Oct 5, 2014 · The resistance wire is built into the harness on the early Fords. Run the wire through the firewall and out to your coil and this will bypass the pink resistor wire. I found some insulated nichrome wire on ebay, but it was 22AWG. I was told to add the pink wire to the Nov 17, 2017 · Hello. If your Coil requires a full 12V {ALL COILS that I've seen say State Voltage Requirements on the coil it's self} Then you must BYPASS the OEM Ford Coil+ wire. In doing the swap he retained the original under dash pink resistor wire. 8 mega ohms of resistance with the key on. There are two wires where the coil was attached. Facts: 1) Truck has wiring for elctronic ignition. If you set the engine so the points are closed, turn the ignition on, and measure the voltage on the positive post of the coil it will only be 8 or 9 volts. Oct 19, 2013 · yes you are correct, ford used a resistor wire instead of a ballast resistor. Mar 2, 2011 · 1973 - 1979 F-100 & Larger F-Series Trucks - Ballast resistor or resistor wire? - I'm driving a 1974 ford f250 360 pre-electronic ignition, just replaced the ignition with the newest generation pertronix module and coil- what a huge difference in performance and mileage. All resistors limit current but when put in series with a coil it reduces the voltage across the coil. Feb 28, 2016 · 1961 - 1966 F-100 & Larger F-Series Trucks - Duraspark II Wiring Installation - Hi - I am in the process of installing Duraspark II electronic ignition in my 1966 Ford F100 and have a few questions I am using Painless Wiring #30812 conversion kit. 31K subscribers Subscribe Nov 3, 2012 · Is this right, and if not, could it be the resistor wire issue? The Pertronix kit I installed is the 1266 kit: Pertronix Part No. You don't cut or splice into it, ever. On the inside of the engine compartment, it's just plain wire. If you do not use it I think the points and or coil life expectancy will be lowered. Mar 7, 2012 · The previous owner of my 66 fastback switched the car over to electronic ignition with a MSD Box. 15 ohms, that happens to be in the ignion circut? and in the wiring harness has rd/g resistor wire? mines not resisting. Free shipping on orders over $300, fast delivery & everyday low pricing! Jan 21, 2005 · Assuming it's the same as a '64 & '65 harness; the "Pint" resistor wire is in the "underdash" harness directly behind the instrument panel. On the coil, Positive has two wires going to it, one from the ballast resistor and one from the battery. Apr 8, 2013 · On a FORD made in the 1960's and 70's the STOCK Coil Feed Wire (red with blue or black stripe) IS A BALLAST RESISTOR WIRE, no extra parts are necessary, hook directly to coil +. On a Ford ignition system the coil + is fed through a resistive wire in the wiring loom back up in the dash. Looked for a ballast resistor on line, and it just looks like a long wire. One of the small wires goes to the START position on the switch and the other one goes to the coil. OF course they Mar 23, 2010 · On the back of the ignition switch, there is a red and green wire coming out, which is a keyed 12V. You can take an in-line splice connector and splice a wire onto this lead. Dec 4, 2003 · Howdy all- Have me a 1965 and I need to wire around the pink ignition resistor wire. Specifically, I?m looking for a resistor ignition Jun 1, 2023 · 1935 V8 ballast resistor & coil wire polarity Early V8 (1932-53) May 24, 2019 · So my question is this, what is the best way to bypass or replace this resistor wire? I have a starter button because they did a bypass on the neutral safety switch and so on - I am a little afraid to start messing with the ignition switch - but I understand that I need to bypass the pink wire or replace it with a normal wire that will supply 12 volts to the coil to take full advantage of my Sep 18, 2010 · Sponsored Links (Register now to hide all advertisements) Ignition resistor Early V8 (1932-53) Mar 30, 2024 · 1961 - 1966 F-100 & Larger F-Series Trucks - Ignition help! 61 F100 & 292 Yblock - Hope you guys can help me. Jan 18, 2014 · This is in regards to my 75 Sport. You will have to unwrap the harness a bit to get to it. Car doesnt even have to be running. There should be a square, gray colored plug that has three wires going to it. If your COIL requires the use of a ballast resistor then use the original coil wire that goes to your original Coil + and all will be as the good Ford Jul 13, 2008 · 1973 torino 351w so, all this time i thought i had my resistor wire for my point ignition bypassed, testing things today when running the coil only had about 7. One goes directly to the distibutor and the other goes to a three prong connector and from there through the firewall. From the other terminal on the resistor a wire goes to the positive on the coil. Also, I have noticed the pink ballast resistor wire gets extremely hot to the touch when the car is running. Feb 15, 2007 · 1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks - Ignition coil ballast resistor location???? - can anyone tell me where the ignition coil ballast resistor is located on a 1985 F-350 (460 7. The instructions that come with the harness show an option ballast resistor. So I got out the factory shop manual wiring diagram and went to town. After starting, it drops the voltage from 12 volts to 7-9 volts at the coil. I made a separate fire wall pass through grommet for the new wire as I didn't want to cut or alter the original wiring harness ($$$). If running a modern coil, or say a '49-'51 coil that resistor needs to be by-passed. Nov 24, 2024 · So I cant for the life of me figure out where the ballast resistor wire is on my 1971 Ford LTD Brougham. Run a bypass wire ( bypassing the pink resistor wire) to the same ballast terminal as the red-green wire. Apr 16, 2007 · The resistor wire is a pink (yes, pink) wire coming off your ignition switch. So I've connected my Pertronix to the 12 volt supply before the pink wire, as shown in the pic below. I am actually looking at the wiring now, with the intention to start How resistor wire and ignition coils work on 1980-1986 Ford F-Series, with failure signs, compatibility tips, and replacement sources. The pink wire runs from the ignition switch to a clip that and joins a wire to the starting solenoid (gray wire I believe). I was May 11, 2023 · The reality is the ballast resistor or resistor wire are bypassed so the ignition points and ignition coil can get "full battery voltage," which when cranking the engine is only about 10 volts or so. The ballast resistor keeps the engine running by preventing the engine from receiving full amperage from the ignition once started. Does the resistor wire need time to heat up in order to reduce voltage? What could cause it not to be a resistor wire? Buy Ignition Coil To Ignition Resistor Wire from C&G Ford Parts / C&G covering vintage Ford passenger cars, Ford trucks and Mercury cars Feb 11, 2022 · The 22k ohm ignition suppression resistor (aka IDM resistor) is located in a harness under the hood. Jul 9, 2024 · IF your Ford still has it's Factory/Original Resistor Wire set up and you are using it and the Flame Thrower coil needs an external resistor that Ford Resistor Wire IS your external resistor and there is NO need for you to add a/another resistor. Run another wire from the other ballast terminal to the coil + terminal. I thought it odd, Apr 14, 2003 · The resistor is actually a section of resistive wire. Aug 3, 2019 · 1961 - 1966 F-100 & Larger F-Series Trucks - Ignition Coil Wiring Diagram - Before I start splitting open electrical tape, can someone post a wiring diagram that includes the ignition switch, ignition coil, and starter solenoid? For reference, this is a 1966 352FE. Oct 15, 2017 · Actually, all Ford products that use points and condenser require the resistance wire to cut voltage to the coil so that the points don't wear out incredibly fast. Use a fresh one as they slowly lose output over time. it is a pink wire coming off the ignition switch if i recall correctly. 1969 mustang fastback, 351w. Like GypsyR said, don't run your electric choke from your resistor wire. of course it May 26, 2009 · So I am running a pertronix with flame thrower coil. The Accel electronic distributor I picked needs full 12 volts instead of the 7-8 volts the points require. Is the '69 wiring harness the same--does the wire unplug somewhere behind the Feb 20, 2011 · I bought a replacement coil and it indicates it needs a "resistance wire" or an external resistor. If the latter, you can remove/replace the resistor wire. May 16, 2012 · 1961 - 1966 F-100 & Larger F-Series Trucks - Ignition resistance wire - I have a 62 ford f100 4x4 that I'm working on cleaning up the wiring under the dash. Mar 25, 2016 · Re: Resistor wire by fastEdsel » Fri Mar 25, 2016 9:19 pm I just kept the ceramic resistor on the firewall with my Pertonix coil and igniter and it works just fine. Jun 25, 2006 · Ballast resistor or in the case of stock Ford wiring, a resistor wire, cuts the voltage to the coil to 6volts in the RUN position of the ignition key (longer coil life). Aug 11, 2017 · Is the wire running from the firewall to the coil a continuation of the resistance wire coming from the ignition, or does the pink resistor portion terminate at the firewall and continue as a regular wire to the coil? Jul 26, 2016 · 1967 - 1972 F-100 & Larger F-Series Trucks - Resistor Wire Bypass - I am installing a new engine in my 1972 Ford F100 with MSD ignition which requires full 12 volts. Breaker Points Ignition Wiring Question - The 1947 - Present Chevrolet & GMC Truck Message Board Network Ford: AG34 - 1956-91 Ford/Mercury; Ignition Ballast Resistor Sep 18, 2018 · I don't think I need a ballast resistor, but I ran a jumper wire to run the engine and I will get 9 volts running at the MSD coil with the ballast resistor hooked up versus 12 volts when starting and running without a ballast. Rewired for points ignition. The time now is 01:59 AM. Mar 1, 2005 · The resistor wire is wired in series between the vehicle's ignition switch and coil, so all the power flows from the switch, through the resistor, then to the coil. Green with yellow wire melted to thr passenger side, the reason my passenger door doesn't turn on thr dome light a assume 2. Oct 31, 2012 · I'm on the age old topic of ignition wiring. It's haveing some trouble starting now--no spark, and as I look over the system, I notice that the coil says "External resistor required". My new wire runs from the ignition switch into a ballast resistor & out of the ballast resistor to the coil. I've been running the Pertronix on the 6V resistor wire source, and decided to see if I could cut out/bypass the resistor wire. 50-1. Thanks Harry Feb 25, 2007 · then why in the wiring diagram showing a rd/g w/a resistor with 1. I found a wire that had burned of the insulation and was still connected. Oct 27, 2015 · I have a 66 mustang. That limits the current to the coil to prevent it from burning out. What happens if you put a jumper wire between them? How To Wire Up the Starter and Ignition On Any Classic Engine Classic Mopar Ignition Systems - How They Work, How To Diagnose Issues Jan 21, 2005 · The resistor wire is a short section of the wire only, not the whole thing. All coils have resistance, the question is "how much" and there is additionally a certain amount in the wiring and connections and so on. Lincoln 1960-1968, Mercury 1960-1968 Valley Forge RU-60, L1460, FR-7 NOTE: Images show the condition and what is included in the […] Apr 30, 2011 · Hello all, I have a question regarding my 1949 Ford 8N tractor. As far as that pink wire thing, you should run a full 12v feed to the coil from an ignition switched source. I think the wire at the terminal end for the coil is probably not pink, but spliced in and covered by a fabric loom. Most parts stores sell a replacement resistor wire that you Mar 25, 2016 · Re: Resistor wire by fastEdsel » Fri Mar 25, 2016 9:19 pm I just kept the ceramic resistor on the firewall with my Pertonix coil and igniter and it works just fine. Jul 16, 2013 · The pink resistor wire is intact and unmodified under the dash. Part 1: What Does A Ballast Resistor Wire Do A ballast resistor wire is an electrical component used in automotive ignition systems. Mar 27, 2006 · I HAVE A 65 FORD 3000 GAS AND I CAN'T REMEMBER WHICH SIDE OF THE COIL TO HOOK UP THE EXTERNAL RESISTANCE WIRE. The wiring diagram shows the engine side of the plug has 2 wires 1st a red-green to + side of the coil and 2nd a brown to the starter relay. 5 ohm resistor needs to be of wattage value to do the same thing. Apr 30, 2014 · Quick question: does a '69 Mustang have a resistor wire built into the ignition circuit like '65-66s do? I'm running a Pertronix conversion in the distributor, and I've always read about the need to bypass the resistor wire under the dash when doing this conversion. During start, the battery is pushing the starter and with that resistor wire in the loom it would drag down the spark so the "I" terminal jumpers over the resistor during start to Oct 5, 2021 · ballast resistor Late V8 (1954+)All times are GMT -5. You may have the other resistor that leads to the tach on the White/Pink wire. The wire from the ignition switch mounts to one side of the resistor when using a stock original 1937 Ford coil and the wire that goes to the ignition coil mounts to the other side of the resistor. I can't see any resistor anywhere. Sep 25, 2002 · In my case, I made up a new wire with the original style bullet connector, unplugged the resistance wire from the ignition switch connector, and plugged in this new wire. Nov 21, 2014 · The pink resistor wire is a Ni chrome ( resistant) wire at about 1. Feb 13, 2020 · 1940 Ford and Mercs have an ignition resistor on the firewall upper left inside the car under the dash. The coil says to use an external resistor. I have a 1965 F100 LWB, 352, 3 on tree, nine-inch sporting 3. Which is located, for some reason known only to Ford engineers , behind the dash inside a wire bundle. Ford ignition and electrical parts for flathead engines, including a comprehensive list of components and their prices. The resister wire (pink) is an extension of the black/green wire off the ignition, and connects to the red/green wire at the ignition coil + (i believe). I am so happy with the combo and wish that I Aug 30, 2020 · A replacement wire is cheap (RESISTOR WIRE IGNITION COIL REPLACEMENT ORIGINAL IS BURIED - #12250-1 - National Parts Depot) if you want to take that out of the loop. Nov 11, 2015 · Pertronix Ignition instructions are extremely specific, and they tell you to bypass Ford’s pink factory resistor wire when installing the Ignitor electronic ignition module. To check, just read out the voltage from the coil, if its reading 12v, you need a resistor. If your running a Igniter II ignition module, the forementioned coils are ideal. Bypassing directly from coil to battery gets it running again. Mar 24, 2023 · 1973 - 1979 F-100 & Larger F-Series Trucks - Ballast resistor/ resistor wire - 78 f250 460 coil resister wire getting hot and smoking, took wire out, plan is to replace with a ballast resister, parts store had a ballast resistor for a 1970 d100 pickup, says they?re pretty standard for the old pickups, will I run into Apr 24, 2014 · The ballast resistor should be in the circuit. Buy part #12250-1 RESISTOR WIRE, IGNITION COIL for your classic vehicle from National Parts Depot. When I engage Mar 30, 2013 · That BROWN wire goes to your IGN solenoid "I" terminal, to supply cranking voltage to the coil at start up. The resistor sits within the ignition circuit wiring. Do NOT use a Flamethrower II coil with anything but PerTronix II, CDI, or MSD. The ignition by-pass is built into the starter solenoid (relay) on the fender. 1266 - IGNITION KIT - Ignitor Ford 6 cyl pre-1965 Points Conversion Kits neither of those values are normal- both are about 3v too low. Please explain in normal english if you know, as i am mechanicaly retarded, especialy Detailed 8N Ford tractor wiring diagram with clear connections for ignition, lights, and charging system. More than just a small gauge copper wire. Apr 21, 2019 · Ballast resistor needed?? Late V8 (1954+)All times are GMT -5. I have a few questions. But where the heck is that resistor or "resistor wire" is how my repair info refers to it. If you follow the pink wire from the ignition switch the resistor area would be several inches from the ignition switch. Bypass any Any engine with a 12volt point ignition can be converted to electronic ignition using a Ford gray remote-mount TFI module. I can hook it directly to the red/green wire from the ignition switch and still get the 12V to the coil. In this tutorial, we will guide you through the step-by-step process of wiring ballast resistors for optimal performance and safety. Do I IGNITION RESISTOR WIRE FORD LINCOLN MERCURY 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 NEW IGNITION RESISTOR WIRE 61'' LONG RARE May 28, 2007 · The resistor wire (pink) goes from the ignition switch to the bulkhead connector. I have the Duraspark II parts: coil, distributor, module, and wire harness. When I bought my 65 earlier this year I noticed a ballast resistor wired into the ignition circuit. 5 volts. Jan 3, 2004 · Electrical Systems/Wiring - Where is the ballast resistor in the Duraspark II ignition? - Where is the ballet resistor located in the Ford Duraspark II ignition system? I need to know because I am converting a EFI engine to a carb set-up. I see it behind the cluster, as it crawls into a mysterious wiring loom, then as far as I can tell it turns into a 'normal' wire as it comes out of the firewall connector on the engine side. A 1. The other wire goes to the positive (+) terminal on the coil. This diagram outlines the components and their connections to the engine’s electrical system, allowing you to diagnose and repair any problems you may be having. i think you have two resistors in place, somehow. It should run through the clips at the top of the dash opening and plug into a short wire from the rear of the ignition switch. Some info on the location here: idm resistor Trace the Tan/Yellow wire from the coil to where the splice with the IDM resistor is located. Mar 29, 2018 · Also, if performing a 6V to 12V electrical conversion, use of an in-line ballast resistor between the key switch and the coil in a 12V non-resistor coil setup is also required to prevent higher voltages (over about 7 volts) from reaching and burning out the distributor's ignition points prematurely. Ford puts a resistor wire near the ignition switch from factory. Is the battery post the positive post? 2nd does this 3000 have a ballast resistor? Any one ever install a Pertronix Suggested Products eClassics 1968-1969 Ford LTD Ignition Switch Pigtail Without Resistor Wire MSRP: $45. There a 2 wires labeled resisitor wire do not cut or splice Jul 18, 2021 · If so then yes, that is the original positive ignition coil wire, but is part of a resistor wire so is not suitable for the new HEI ignition which requires the full 12v and probably a little larger gauge wire as well. Its the pink wire under the dash. The Painless Wiring kit is supplied with a ballast resistor. You should replace with a resistor wire made of Ni Aug 11, 2017 · 1967 - 1972 F-100 & Larger F-Series Trucks - thoughts on a missing ballast resistance wire and seeking better ignition - regarding my 1968 f250 highboy flatbed (recently rebuilt to a fe 390), i am seeking up to date info on the following: after struggling with what may have been an old and therefore potentially bad Jul 2, 2016 · Anyhoo. That is the resistor wire doing its drop. The coil gets a full momentary 12volts in the START position to give you a hotter spark during start ups. Or it could be bad grounds. When ballast resistors develop issues, your vehicle might show symptoms Jul 9, 2008 · The Accel coils will work be nicely. Jun 20, 2012 · 1973 - 1979 F-100 & Larger F-Series Trucks - Ignition & Resistor Wire - I will start off with the disclaimer that this 74 F250 has been pieced together like Frankenstein. What would the voltage be at the coil in the run position? Thx We would like to show you a description here but the site won’t allow us. Mar 26, 2022 · 1973 - 1979 F-100 & Larger F-Series Trucks - Ignition resistor wire input location - Diagnosing the ignition in my truck. You have to remove the cluster, we Oct 20, 2019 · The Ford Ignition Coil Ballast Resistor Wiring Diagram is an essential part of your vehicle’s electrical system. Dec 3, 2006 · I think you're on the right track. the resister provides a voltage drop from 12 to 9V at the coil. Be sure to bypass or replace the pink coil resistor wire as per the instructions or you'll have ghosts in your system. However, the supply wire Apr 21, 2023 · 1973 - 1979 F-100 & Larger F-Series Trucks - 1979 bronco resistor wire help! - Tore into my wiring harness and found a few problems 1. According to the Ford wiring schematic this is the resistor wire. Dec 31, 2009 · About the pink wire, I just disconnected it from the ignition switch and from the coil, and left it there. The standard series is designed to meet OE design specifications. It Jan 13, 2021 · I need help finding the ignition resistor wire in the wiring loom behind the dash. Best to run a new #12 wire directly from the ignition switch to the new coil that is matched to your electronic ignition trigger. Thus, giving the 12 volts to my coil. Hope this helps. Jul 19, 2025 · Find many great new & used options and get the best deals for NOS Coil Ignition Resistor Wire 1971-1974 Ford Galaxie 500-LTD/Mercury Marquis at the best online prices at eBay! Free shipping for many products! run through a ballast resistor or wire. I think the problem is more likely with the Sep 8, 2019 · Electrical Systems/Wiring - 1967 ignition points resistor - Well I'm wanting to doing away with my points for a pertroxix ignition system. My question regards this ignition resistor wire that I have heard of. The ignition resistor should be mounted up under the instrument panel inside the passenger compartment. That should go back to the ignition switch. Feb 2, 2024 · The ballast resistor lowers the voltage between the ignition switch and the ignition coil’s positive wire so that only about 8 volts are delivered to the ignition coil when the ignition switch is in the “run” position. The wire would be thicker in that area that is the resistor. Step 5: Connect Wires to Positive Strip the end of the positive wire from the ignition, and connect it to the positive end of the resistor. I intend to test it, of course, but I also read that most Fords have a resistor wire built in. So, according to the schematic, you should have one of the posts with a Black-Green wire on it along with the Pink resistor wire. The schematic shows that it goes to the C post, along with a Black-Green wire. The new distributor obviously works, but the only problem is that the previous owner's wiring when installing the HEI is kind of a mess. The time now is 04:00 AM. Cleaning grounds is the cheap and easy first thing to do. Jan 28, 2019 · 1957 - 1960 F100 & Larger F-Series Trucks - ignition coil wiring - Just trying to hunt down why I'm not getting spark. I've seen a number of discussions saying it was 20AWG BTW, as well a a wiring diagram. the reason is that the ballast resistor provides Replacement ballast resistor wire for numerous 1956-91 Ford and Mercury models including Mustang, Cougar, Falcon, and Ranchero. It is a special wire buried under the dash. The stock DurasparkII system utilized the same resistance wire setup as the contact points system. 05 to 1. When the relay is activated (cranking starter) 12v. Jul 20, 2020 · I figured it out. After the engine starts and the key is releases the brown wire only carries the nominal voltage that comes through the resistor wire. Few quick questions: 1. So, how long Sep 19, 2015 · If you're running an electronic ignition or Pertronix style points eliminator you DO need the full 12v from the coil and must bypass the resistor wire in the circuit. According to the wiring diagram for 67, the resistor is just after the switch, before passing through the firewall, but having tested the voltage at the firewall Oct 2, 2019 · This car has a Pertonix ignition. POS OR NEG SIDE? I ALSO REPLACED THE IG Feb 2, 2011 · Step 4: Install Ballast Resistor Set the ballast resistor up to the firewall and screw the clamps in place. May 7, 2008 · Does a 1965 Mustang have a resistor wire built into the ignition wire harness? I am switching to DSII and the instructions say that the ignition wire needs to be resisted down to 8 volts. kjvvqd icofshc qppilct krqo tlwcny rxxp khmf roe fann rzryvk lvchaj xyai ygr lremrh jgnsn