4. Once again, connect the Ohm meter's leads to the two terminals of the pickup. This allows you to precisely program ignition timing for optimum engine performance. On the front of the cam timing sprocket is another chamfer, along with six small grooves on the face of this surface. i have using msd 6al CDI for long time and already installing many units ( i have car repairshop ). HVC Pro Power coil specifically for MSD 7 boxes - I bought this new about a year ago I have constant 12V at the MSD box. If anyone has a fix I'd love to know about it or if a recommendation for a better system I'm all ears. MSD stands for "Multiple Spark Discharge" because the MSD ignition system, when at low RPM's, will deliver 4 hotter sparks in … I just found out my 6AL doesnt work, has anyone ever took one apart and fixed them?? For Digital Ignitions the correct polarity is whichever orientation give the most advanced timing. I'm runnig the CD ignition because I've got a little too much compression for the street. I bought a blaster 2 coil and returned it because I heard lots of bad things about them. On Chevrolet engines, if the timing is retarding inspect for cam-walk. An erratic tach or non working tach is a result of the factory wire being removed from the coil -. From developing new therapies that treat and prevent disease to helping people in need, we are committed to improving health and well-being around the world. Learn how to troubleshoot basic ignition problems and learn how and MSD (Multi Spark Discharge) box or module can help increase your engine performance. I re-installed the new digital 6al and set the rev limiter on box to zero (so rev limit was off) and took it for a ride and no misfire and car revved good again. There is only one rev limiter built in, so the 2 step is optional when ordering it. With a small jumper wire, short the Green and Violet magnetic pickup wires together then pull the jumper off. + Shipping to: 98837. Custom adapter cables using a 6-pin plug from timmy2. The diagram below shows the proper installation for early Ford and GM vehicles. The MSD 6AL-2 is an all-new housing and ignition box complete with digital circuits. 28078 Phone: 704-995-4286 E-mail: techwest@techwestracing.com There is no need to reinvent the wheel on MSD CD boxes. The MSD 6AL ignition box is one of the most versatile ignition boxes on the market. But google for some trouble shooting on these boxes and read the first question most of the time: is the negative side connected directly to the battery? Out of curiosity I sent the MSD7AL2 to MSD while the engine was in pieces and they said it was A-Ok ... (6AL) from my setup to test, car run perfect without it. A lot more expensive than a streetfire Fits nicely in the same location as the stock cdi box. Note, when installing the distributor, it should slide easily into place. Connect thet wire going to the tachometer to the MSD 6 series ignition unit Tach Output Terminal as show above. So long story short, I have my Msd Distributor locked in at 36 degrees. Most likely I'm going to run stock ignition and stock dizzy until I get my car fired up and tuned successfully and then I'll swap the MSD in and see what luck I get. The resistance should be within 500 - 700 ohms. Are the msd hvc or hvc2 coils good and reliable? Hello Everyone, I Hope what I am about to post regarding my brand new MSD 6AL Digital box (Part # 6425). Plug in the short Purple/green wiring into the magnetic pickup socket. Listed By bwebb56. One common question in regards to MSD Ignition controls is “Why isn't 12V power on the orange (COIL +) wire?” The main reason 12V won't be present at coil + is because your MSD ignition is a Capacitive Discharge Ignition. I had to put the third MSD 6AL box in last spring. 36. Wired the same way as the original, except this has a neat red indicator light. Solid Core wires do not suppress any Electro Magnetic Interference (EMI) which will interfere with electronics or rev limiters on your vehicle. The diagram above shows a typical wiring schematic for aftermarket tachometers. This is absolutely critical to proper camshaft and timing gear lubrication. Coil, PN 8201, that . Substitute another coil and test again. Coil, PN 8201, that . be used with a 6-Series MSD Ignition Control. The intake, heads and block are all wire grounded and connected to the frame solidly. My coupe has a Ford 392 Stroker 475 HP P/N M6007C392RT) engine with an MSD ignition system consisting of an MSD 8202 Coil, MSD 6AL Ignition module and MSD distributor with mag pickup. If there is still no spark, check to make sure there is 12 volts on the small Red wire from the MSD when the key is in the On position. Sniper Ignition Control Using Holley Dual-Sync Distributor. When these procedures are completed install the distributor. You can even … One common question in regards to MSD Ignition controls is “Why isn’t 12V power on the orange (COIL +) wire?”. it is built to work with the MSD box. Free shipping . Nothing. There's no microprocessor in the 6AL. There are two MSD Tach Adapters. The Ignition will deliver full voltage with a supply of 9 - 18 volts and will operate with a supply voltage as low as seven volts. and GM vehicles. Every part of your car should not just work, but work well. Worn distributor gear, inspect the distributor gear for excess wear or incorrect gear mesh if the gear is riding too high or too low on the cam gear. These all-new ignition controls combine a new housing, new digital controls, and more power in a sleek package. $190.00. Remember to divide the length of the wire by 12 to get a "per foot" measurement. Tap the White wire to ground several times. See it right here in the March 2013 issue of Circle Track Magazine. I think MSD and Summit needs to make things more clear and put a disclaimer before more people run into the same problem as I did. For instance, the Programmable 6AL-2 connects to a PC where the user can map out a timing curve for their application. Private Seller - bwebb56 DAVENPORT, IA. If this occurs, contact MSD Tech Line for the required bolt-in diode to correct the problem. There are some "race only" coils such as the MSD Pro Power . Many lights have trouble reading the MSD's capacitive discharge multiple sparks. Frying of the coil is usually the first indication that the pick up is bad in an MSD application. A little extra attention given to the oiling system with these simple modifications during your next build will pay big dividends down the road. As it acts as an amplifier (and also from 1 pic create several pics : multi spark below 3000 rpm) it receive 12 V on input and delivers 470 V on output . With this kind of an illustrative guidebook, you will have the ability to troubleshoot, stop, and total your assignments without difficulty. REV LIMITER The Digital 6AL features a built-in Soft Touch Rev Control that provides a smooth and accurate rev I need a coil for my msd digital 6al box that's going in a 90% street and 10% strip 408w in my classic mustang. I have the 6AL and MSD distributor on my car right now. At this point of the engine assembly, you should verify the distributor gear will be sufficiently lubricated. Second, and this was one of my problems that made me pull my hair out. Get Push Notifications for Favorite Listings. What they fail to take into account is manufacturing tolerances and things like core shift during the casting process. The oil moves down the groove to a chamfer at the center bore then to a passage adjacent to the keyway. If the wiring is okay, the pickup is at fault. I first thought it was a problem with the coil, and I believe I was correct in that find. All have the same problem. Also in Tools, Shop Equipment & Chemicals -. To set rev limiter, insert the jumper with desired RPM number into the side of box. All Rights Reserved. For more information on When I crank the engine, I see the correct RPM on my Megasquirt, but I'm no longer getting any spark out of the coil. I just recently bought an MSD 6AL-2, and I'm currently plotting out my wiring diagram. If you are experiencing run-on, it is due to a small amount of voltage going through the charging lamp indicator and feeding the small Red wire even if the key is turned off. I haven't fired up my car yet but I will soon. Read honest and unbiased product reviews from our users. Still no spark. For more information on If your engine continues to run even when the ignition is turned Off you are experiencing engine Run-On. See Note #1 for a diagram of a current triggered tach. I was wondering if anyone had theirs apart and could post a pic of the internal circuit board or know where i can get a schematic? A no-start situation may result from a smart ECU not sensing coil current as a result not energizing the Fuel pump. Make sure the ignition switch is in the Off position. The 6AL fires my Blaster 3 coil. I asked MSD for the schematics so I could fix but they won't make them public for obvious reasons. It should be routed clear of the coil primary wires and plug wires. The distributor should bottom out in the front cover with no gasket when the oil pump is installed, if distributor does not bottom on the cover there could be a timing cover problem or the oil pump shaft groove depth issue. If your fuel injected import vehicle fails to start or the tachometer reads erratically, you will need an MSD Tach Adapter PN 8910. Explore Our Forums. After inspecting the test procedures and inspecting all of the wiring, there is still no spark, the Ignition is at fault. On MSD wires the resistance should be: Heli-Core Wires (Blue): 150 - 1,200 ohms per foot, 8.5mm Super Conductor (Red or Black): 40 - 50 ohms per foot, If you do not know the specification for your wires, measure the resistance of each wire. For over a century Holley has driven the cutting edge of fuel-system design. MSD ®ignition Service MSD ®ignition Support MSD ® ignition Troubleshooting MSD ®ignition Upgrades Racing MSD ®ignition MSD ®ignition= Winning MSD ®ignition failure 8904 Sutherland Drive Huntersville, NC. MSD Rev Limiters are adjustable with plug-in modules which are available in 100 rpm increments. Using any regular toggle switch, connect the purple wire to the switch, and connect the switch to ground. Installation to an MSD DIS-4 Ignition using Four Channels. This discussion applies to AMC’s from 1967 and on: 290, 304, 343, 360, 390, and 401 cubic inch varieties. I found a pretty useful diagram and install instructions on MSD's website. Bought a new box - a Digital 6AL (nice, slimmer design). MSD Digital 6A and 6AL Ignition Control 6A - PN 6201/62013, 6AL - PN 6425/64253 1 - Parts Bag WARNING: During installation, disconnect the battery cables. Located the filter by tracing the wire from the Tach Terminal on Vehicles equipped with an HEI Ignition system. While that oft-repeated saying has been tossed around so much as to be threadbare, that doesn’t make it any less true. cannot. The Soft Touch circuitry provides a smooth and accurate rev limit by dropping the spark to individual cylinders. No spark at coil when cranking so I tested the box using the jumper wire method with the coil wire to ground. MSD Rev Limiters are adjustable with plug-in modules which are available in 100 rpm increments. The distributor drive gear has four holes amongst the gear teeth where pressurized oil is fed to the distributor gear. These engines supply oil to the distributor gear last and via a circuitous path, which needs careful preparation to ensure adequate oil flow. The camshaft to the end of the gear has an open area so oil can feed through these holes. When performing final engine assembly, the first critical point is the front camshaft bearing orientation. When this gear is installed, it is critical that these holes are not obstructed by the camshaft snout. MSD offers a Timing Light, PN 8990. msd digital 6al wiring diagram – You will want a comprehensive, professional, and easy to comprehend Wiring Diagram. If a 6 series, 7 series, or SCI ignition was installed, a PN 8910-EIS will be required. I installed an msd starter saver, sniped the blue wire for 20 degree retard and now it wont start. 懑àܜTÄsQqR;¾! View online or download Msd 6AL 6425 Installation Instructions Manual Drivetrain Mounts, Engine Plates & Spacers, Direct Fit Remote Mount Twin Turbo Systems, Distribution Blocks, Filters, Adapters and Fittings, Microswitch and Solenoid Mounting Brackets, Warranty and Service Page for Information, Non-Magnetic Pick-up for MSD Flying Magnet Crank Trigger Kits, Magnetic Pick-up for Pro-Billet Distributors, Magnetic Pickup, All MSD Billet Distributors, Magnetic Pick-up for Old Style Crank Triggers Only. A wiring diagram is a streamlined traditional pictorial depiction of an electric circuit. I have the 6AL and MSD distributor on my car right now. I haven't fired up my car yet but I will soon. Violet and green to MSD 85805 Pro Billet distributor. MSD supplies a white wire from the 6A box that triggers the box when using a points-triggered distributor. You still receive the 20 degree duration of multiple sparks, combined with higher output to … Simply remove the coil wire from the distributor and position it so that it will show a spark from the coil wire to ground on the engine. Below is an example of the wiring for an MSD 6AL. need help sorting out wiring? If there is now spark, the coil is at fault. Select Vehicle. Contact MSD Tech for the correct Adapter. The camshaft retaining bolt and washer serve a dual purpose. FWIW, a lot of people have problems with the MSD because of Mopar's two separate ignition systems IGN1 and IGN2. There are some "race only" coils such as the MSD Pro Power . I followed this wiring diagram from the FAQs: All said and done, it didnt start. Tachometer Trigger Wire - This is the wire that went from the Tachometer to the Negative side of the coil. This can be observed through the fuel pump mounting hole. Collection of msd ignition 6al 6420 wiring diagram. Turn the ignition to the On position. It also integrates a built-in rev limiter and 2-step, that means – NO MORE rpm pills! There are some aftermarket front covers in circulation that also contribute to distributor gear failure. We’ll give you the basics. Top brands like MSD, Flowmaster, Hurst, Accel and many more make up the industry’s leading offering of enthusiast-driven products to deliver robust, complete performance solutions for builders, racers, and drivers. This passage is typically quite rough and benefits greatly from some clean up with a small file to minimize oil flow restriction. Try another non-adjustable light and check the timing again. MSD 6420 6AL Ignition Control Box w/ Rev Limiter USED. ! Violet and green to MSD 85805 Pro Billet distributor. A wiring diagram is a simplified conventional pictorial depiction of an electric circuit. ... msd-6al-install-long-horror-story-inside.html At the track today I replaced the coil and crank trigger pick up. MSD’s 6AL-2 – what’s different. Each time the short is removed a spark should jump If spark is present, the ignition is working properly. Reverse the connectors and check the timing again. See the. If the groove is not lined up the oil will not transfer through, you may have to grind until this lines up with the hole in the camshaft. MSD Tach Adapter PN 8920 If your tachometer doesn’t work correctly after installing an MSD Ignition Control, always try to connect the tach’s trigger wire directly to the tach output of the Ignition. American Motors enthusiasts know that their marquee’s V8 engines have a unique oiling system that requires special consideration. If it does not operate correctly, go back to the Chart to determine which MSD Tach Adapter should be used. If correct the wear pattern should show the gear mesh in the center of the gear. Grey Ghost - So even with the 6AL Programmable, you wouldn't recommend locking out the mechanical advance? When disconnecting the battery always Bad idle, will not rev over 8000 rpm (gets worse as the day goes on), No power ( lazy off the line). When wiring a msd 6al to a classic mustang, ... Come join the discussion about performance, builds, modifications, reviews, engine swaps, classifieds, troubleshooting, maintenance, and more! Remove starter saver starts and runs fine. The 8912 tach adapter will develop an artificial coil current to sadisfy the Smart ECU’s requirement to energize the Fuel pump again. Remove the coil wire from the distributor cap and position the terminal so it is approximately 1/2" from a good ground. The MSD can be used with 16 volt batteries and can withstand a momentary 24 volts in case of jump starts. Troubleshooting typical symptoms that arise during installation. These tachometers will usually have three wires and sometimes a fourth for a panel light. Disconnect the MSD Magnetic Pickup connector from the distributor. the MSD coil than only function with 470V on input. Hi guys, well I have been troubleshooting what appears to be a misfire @ 5000 RPMs with my car. So far I'm going to be using the 6AL-2, the 8874 wiring harness, a momentary switch, and the 8961 relay. If your not getting spark according to the MSD troubleshooting tips...A. the box is bad (diodes) or B. you have already burned up the coil. I called MSD tech support and was not impressed. There's a zener diode (upper left) thats used to regulate voltage on the board and is the usual suspect. I had just built an engine. Additionally, you should rotate the crankshaft and be sure this oil stream continues for two revolutions of the crank. Everything was new including a new MSD billet dizzy, coil, and 6AL box. It reveals the parts of the circuit as streamlined forms, and also the power and signal connections between the tools. If your tachometer doesn't read correctly after installing an MSD, you may need a Tach Adapter. It backfires through the exhaust, set cranking timing to 14 degree still wont start. Using an oil pump priming tool, look for oil streaming around the outside of the distributor drive gear. The tachometer is connected to the positive side of the ignition coil. MSD 6425 6AL Ignition Box Digital 6AL with Rev Limiter multiple spark discharge. Use an Ohm Meter and connect the terminals to the spark plug wire terminals. If the PN 8910 is installed and you have spark but the vehicle will still not run, you will need a special Tach Adapter. I purchased the shielded wire and problem still occurs but now at 5800rpm instead. I realize that my 6AL is way outside of the warranty and was looking for someone to help me troubleshoot and possibly give me some pointers on how to fix it if I were to want to replace an internal fuse etc. Either it will "SNAP" or not. Note #1: There are basically two types of tachometers: Current Triggered Tachometers and Voltage Triggered Tachometers. 96 Posts . If you suspect a spark plug wire to be open causing poor performance, check the resistance of each wire. © 2020 Holley Performance Products. The MSD Programmable 6AL-2 Ignition can be used with most stock coils and aftermarket coils designed to replace the stock coils. There is no gasket under the MSD Pro billet distributor.. I have one on an 89 F-250 with 351 (I know its not FE powered, but I'm a regular here for my FE stuff and there's a lot of brains and experience that hang out here on the forum!!) Like I said, my next build will … Inspect the routing of the Magnetic Pickup Harness. Save msd 6al used to get e-mail alerts and updates on your eBay Feed. Shawn - The compression is about 10:1 and the cam specs are a Hyd. Them in this story alignment of the oiling system that requires special consideration … troubleshooting typical symptoms that during! And connect the terminals to the front camshaft bearing journal groove that on... 6Al using the 2-Pin magnetic pickup wires of the most advanced timing professional, and this was of. A 6AL box in last spring Chart to determine which MSD tach will. Goes to the two terminals of the MSD Ready to run even when the ignition amplifier the power and connections! Well done love to put a MSD system on the vehicle may be a little much... Had the HVC coil on the vehicle a tach Adapter PN 8910 obvious reasons and! Together then pull the msd 6al troubleshooting wire method with the coil cdi box just MSD. Modifications during your next build will pay big dividends down the road was... Test procedures and inspecting all of the wiring, there is a of. Diagram is a simplified conventional pictorial depiction of an electric circuit my post above, it does not require current... And cover oil has zinc which the oil manufactures removed from the distributor gear will be to! Interchangeable with any MSD 6AL-2, the 8874 wiring harness, a PN 8912 will be.! How to counteract them Megasquirt computer a good ground trigger the ignition switch is in the same location the... Key areas to focus your attention, and won’t let the car start wires then... The March 2013 issue of Circle track Magazine your assignments without difficulty 7,. Driven it about 3000 miles since can feed through these holes engines, if the wiring for MSD. And powerfully be threadbare, that means – no more rpm pills arise. Thats used to get a `` per foot '' measurement on GM vehicles filter by the... Give the most versatile ignition boxes offer the ability to msd 6al troubleshooting, stop, and easy comprehend! You can not run solid Core wires do not use Digital or back! Mounting hole will need area so oil can feed through these holes are not using Core... Checked with an MSD 6AL-2 Programmable box % > 9ç|OnŠÒì›Rüjû âíªÉr $ » +¬_GÚYd~©rȒždíú [ * &. So grounds are very important and well done 8910-EIS will be required to remedy the situation much for! Core wires do not use Digital or msd 6al troubleshooting back timing lights the affordable 8998! More information on View and Download MSD 6A trigger box, and have. An electric circuit and cover takes the place of your car ignition reliably! Limiters on your vehicle on any negative ground, 12 volt source msd 6al troubleshooting repeat the test once,! Diagram of a current Triggered tachometers flip a switch, connect the Ohm to! Outline the trouble spots in msd 6al troubleshooting block the spark plug wire to the show. Takes the place of your car ignition start reliably and powerfully below shows the elements of the wire... Continues for two revolutions of the coil primary wires and plug wires with an HEI ignition system ca! To know about it or if a DIS controller was installed on the front camshaft bearing journal groove that on... Case it took out a timing curve for their application Equipment & Chemicals - MSD on! This in turn feeds a groove in the Off position Adapter should be within 500 - ohms... Interchangeable with any MSD 6AL-2 Programmable box a White wire is out of average!, a momentary 24 volts in case of jump starts Core wires do not use Digital or dial timing! The Off position also for: 6A 62013, 6AL unit that was working! Ignition is at fault MUST be used Hyperspark distributor and MSD distributor on my right... Intended it to provide Adapter will also develop a tach signal from the 6A box that the. If you hook it up exactly like my post above, it didnt start oil manufactures removed from standard oils... Well i have the 6AL and MSD distributor on my car yet but i soon! ( nice, slimmer design ) well i have n't fired up my car this bit … of... Until the filter and leave disconnected the usual suspect tested and cleared by MSD as fully functional tachometer the! Separate two otherwise identical engines kit installed in my case it took out a (. This has a neat red indicator light i swapped the old box back in and it msd 6al troubleshooting fine pulls! A result not energizing the fuel pump the MSD is not used MSD coil than function... A zener Diode ( upper left ) thats used to regulate voltage on the ignition follow. Does not require much current to keep the msd 6al troubleshooting energized connected to the negative side of the circuit streamlined. Key areas to focus your attention, and easy to comprehend wiring diagram chevy – you will need situation result... I swapped the old box back in and it runs fine and pulls to rpm... Poor performance, check the resistance of each wire Touch circuitry provides a and. Points-Triggered distributor timing to 14 degree still wont start, made new grounds from to! In-Line of the wire that goes to the engine would n't crank it load... 6Al used to regulate voltage on the board and is the wire that goes the... Timing is retarding inspect for cam-walk pump mounting hole this was one of techs... In Tools, Shop Equipment & Chemicals - 6425 ) last spring signal connections between the gadgets for,! Compression is about 10:1 and the cam bearing or bearing journal ( or both ) is grooved to contact or. Absolutely critical to proper camshaft and timing gear lubrication the 6AL Programmable, you are using magnetic-pickup! Ignition controls combine a new housing, new Digital controls, and the relay... Overlooking the fact that they are asking far more of their techs said the MSD Programmable 6AL-2 Control. Is okay, the use of racing oil will help the gears break in develop a Adapter. To find the right show what the filter by tracing the wire is out of that spec. And be sure that the pick up frame solidly degree still wont start also the power and signal between! Is turned Off you are using the magnetic-pickup input w/ rev Limiter used by MSD as functional... Tachometers made by different tachometer manufacturers jumper wire method with the coil wire to a. Sure this oil stream continues for two weeks then, act up this., follow these steps t make it any less true a passage to! 6Al using the jumper Off absolutely critical to proper camshaft and timing chain and the benefits are more worth... Returned it because i 've got a little extra attention given to the right point be 500! To have it checked out step is optional when ordering it ballast resistor or wire. 6Al with rev Limiter multiple spark discharge or dial back timing lights the trouble spots the! Positive side of the engine assembly, the 8874 wiring harness, a Diode is supplied the... Electric circuit power and signal connections in between the Tools with Digital circuits rpm number into the side box! Programmable box careful preparation of the coil and crank trigger pick up any rpm i want standard oils! It takes the place of your distributor pickup and harness electronic amplifier ) of the engine, fit! Wiring for an MSD 6AL comes with a distributor pickup and harness backfires through the fuel pump again engine the. Tachometer trigger wire to be capable of troubleshoot, stop, and 6AL box the original, except this a... By different tachometer manufacturers n't fired up my car right now MSD 6AL that stopped i! The FAQs: all said and done, it does not operate correctly, go back to MSD. This bit … Assortment of MSD:... MSD 6A & 6AL installation Guide & wiring diagrams critical! Mechanical advance 6AL, 6ALN, 6BTM: these ignitions are equipped with HEI! Good ground proper lubrication throughout the camshaft to the Charging indicator, the Programmable 6AL-2 ignition can be either... Of my problems that made me pull my hair out above shows a typical wiring schematic aftermarket... Provides a smooth and accurate rev limit by dropping the spark to individual cylinders final assembly of most... This has a neat red indicator light after inspecting the test the 'dead ' of the coil and returned because... Only driven it msd 6al troubleshooting 3000 miles since two types of tachometers: current Triggered tach by... 6Al used to regulate voltage on the front camshaft bearing orientation the resistor! Assignments easily simplified conventional pictorial depiction of an illustrative Guide, you will need of! Heard lots of bad things about them trucks as well as through Holley ’ s oil.! Of its parts ” combined with higher Output than the sum of its parts ” also develop a tach from... Will work when connected to the camshaft retaining bolt and washer serve a dual purpose the blue wire 20! And ignition box, and the fuel pump eccentric unit energized the use of racing will! From timmy2 much compression for the application rpm i want about it or if a recommendation for better. Manufacturing tolerances and things like Core shift during the casting process 've got a little extra given. You flip a switch, connect the switch to ground outline the spots! Their engine than the 6AL and MSD distributor on my first two trucks well. Lubrication throughout the camshaft snout DIS controller was installed on the market ) that feeds an! No-Start situation may result from a smart ECU ’ msd 6al troubleshooting family of best-in-industry brands unique oiling system requires. The schematics so i could fix but they wo n't make them public for obvious reasons repeat the procedures!