I followed this wiring diagram from the FAQs: All said and done, it didnt start. Located the filter by tracing the wire from the Tach Terminal on Vehicles equipped with an HEI Ignition system. Looking at the back side of the cam timing sprocket, make sure this groove lines up with the hole in the front of the camshaft. I have a msd 6al that stopped working I took it apart found the aparent problem looks like a resistor. This is absolutely critical to proper camshaft and timing gear lubrication. They will run fine for two weeks then, act up. Note #4:If the Tachometer is connected to the positive side of the ignition coil, do not attempt to connect this tachometer to the tach ouput terminal on the MSD 6 series unit. MSD and the MSD Manuals. The camshaft retaining bolt and washer serve a dual purpose. Hi guys, well I have been troubleshooting what appears to be a misfire @ 5000 RPMs with my car. If correct the wear pattern should show the gear mesh in the center of the gear. Connect the tachometer trigger wire to the Tach Output Terminal as shown below to determine if the tachometer is operating correctly. Installed MSD 6AL ignition...now I have no spark. That work continues today through Holley’s market-leading EFI products as well as through Holley’s family of best-in-industry brands. Note, when installing the distributor, it should slide easily into place. At this point of the engine assembly, you should verify the distributor gear will be sufficiently lubricated. 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. Re: Timing problem with new model MSD Digital 6AL box It's wired just like the diagram on page 11 in this pdf instruction guide only I have a Blaster SS. A suppression style or spiral wound spark plug wire MUST be used. 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? After installing the cover to the engine, install and test fit the distributor. Turn the ignition to the On position. Message Seller + Add to Favorites. A wiring diagram is a simplified conventional pictorial depiction of an electric circuit. I found a pretty useful diagram and install instructions on MSD's website. Violet and green to MSD 85805 Pro Billet distributor. The diagram above shows a typical wiring schematic for aftermarket tachometers. There are some aftermarket front covers in circulation that also contribute to distributor gear failure. (That’s why you’ll see +12V on coil +). + Shipping to: 98837. 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. I purchased the shielded wire and problem still occurs but now at 5800rpm instead. 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. I called MSD tech support and was not impressed. When this gear is installed, it is critical that these holes are not obstructed by the camshaft snout. 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. 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 . Remove the end of the wire that is connected to the coil and connect it to the MSD Tach Output Terminal as shown: Note #3:General Motors Corporation vehicles have an inline filter that should be bypassed when the factory tachometer drops back to zero as the engine RPM is going up. If 12 volts are not present, find another 12 volt source and repeat the test. On vehicles equipped without an HEI, trace the wire from the coil negative terminal until the filter is found. An age old hot rodding adage goes something like: “An engine is more than the sum of its parts”. The oil moves down the groove to a chamfer at the center bore then to a passage adjacent to the keyway. It should be routed clear of the coil primary wires and plug wires. Unfortunatly I can't tell what color code is on it. I asked MSD for the schematics so I could fix but they won't make them public for obvious reasons. The booklet included with your ignition has all the troubleshooting information you will need. Disconnect the MSD Magnetic Pickup connector from the distributor. I'm runnig the CD ignition because I've got a little too much compression for the street. Still no spark. A MSD digital 6AL is an ignition system that is used for controlling the spark in the engine and adding a limit to how high the engine can rev. Note: Do not use digital or dial back timing lights. Each time the wire is pulled away from ground a spark should jump from the coil wire to ground. Show phone number $50. This ensures maximum oil flow to the camshaft’s front journal groove. Some will work when connected to the MSD 6 Series Ignition Unit Tach Output Terminal. See search results that fit your vehicle. cannot. For instance, the Programmable 6AL-2 connects to a PC where the user can map out a timing curve for their application. This discussion applies to AMC’s from 1967 and on: 290, 304, 343, 360, 390, and 401 cubic inch varieties. I am thinking about switching to an MSD Distributor with my current pinging problem I want to get a bit more control over my timing. Follow along as we outline the trouble spots in the AMC V8’s distributor lubrication scheme and show you how to counteract them. I put the same MSD-6AL system on my first two trucks as well. 2005-2010 Mustang Talk 2011-2014 Mustang Talk 5.0L Tech Classic Tech 2005-2010 Mustang GT Tech. Frying of the coil is usually the first indication that the pick up is bad in an MSD application. If your fuel injected import vehicle fails to start or the tachometer reads erratically, you will need an MSD Tach Adapter PN 8910. The 6AL fires my Blaster 3 coil. 96 Posts . Otherse may require an MSD Tach Adapter. I was wondering if someone could help me troubleshoot my MSD ignition. Other capacitive ignition boxes will be wired similarly. I have the 6AL and MSD distributor on my car right now. Hello Everyone, I Hope what I am about to post regarding my brand new MSD 6AL Digital box (Part # 6425). NOTE: The Ignition will check good if the pickup is at fault. The drawings below show two wiring diagrams to help in determining which type of tachometer is on the vehicle. In some instances, after installing an MSD Ignition control unit on an import vehicle may result in a no-start situation or a erratic tach. 4. If a 6 series, 7 series, or SCI ignition was installed, a PN 8910-EIS will be required. 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. Summit states in their 6AL discription that it is compadible with virtually every V8 that uses a distributor. Also in Tools, Shop Equipment & Chemicals -. I bought a blaster 2 coil and returned it because I heard lots of bad things about them. Remove the coil wire from the distributor cap and position the terminal so it is approximately 1/2" from a good ground. The MSD 6AL-2 is an all-new housing and ignition box complete with digital circuits. This allows you to precisely program ignition timing for optimum engine performance. Follow the Checking for Spark procedure. I had just built an engine. I had to put the third MSD 6AL box in last spring. Anyway, like you I move the battery back to the front, made new grounds from engine to frame. There is a single bore in the front camshaft bearing journal groove that exits on the front face of the journal. 3. 1. A little extra attention given to the oiling system with these simple modifications during your next build will pay big dividends down the road. the MSD ignition box , 6AL unit that wasn't working anymore. The groove must completely encircle the journal in order to ensure proper lubrication throughout the camshaft rotation. This can be observed through the fuel pump mounting hole. Try another non-adjustable light and check the timing again. For Digital Ignitions the correct polarity is whichever orientation give the most advanced timing. The distributor drive gear has four holes amongst the gear teeth where pressurized oil is fed to the distributor gear. An MSD 6AL-2 Ignition Control will operate on any negative ground, 12 volt electrical system with a distributor. While that oft-repeated saying has been tossed around so much as to be threadbare, that doesn’t make it any less true. Before final assembly of the engine, test fit the distributor, oil pump gear and cover. A no-start situation may result from a smart ECU not sensing coil current as a result not energizing the Fuel pump. 28078 Phone: 704-995-4286 E-mail: email@example.com MSD supplies a white wire from the 6A box that triggers the box when using a points-triggered distributor. Installation to an MSD DIS-4 using Three Channels. The camshaft to the end of the gear has an open area so oil can feed through these holes. 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 this occurs, contact MSD Tech Line for the required bolt-in diode to correct the problem. 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. Solid Core wires do not suppress any Electro Magnetic Interference (EMI) which will interfere with electronics or rev limiters on your vehicle. my MSD box is a new style part # 6425. I first thought it was a problem with the coil, and I believe I was correct in that find. Troubleshooting typical symptoms that arise during installation. If anyone has a fix I'd love to know about it or if a recommendation for a better system I'm all ears. In this video, we walk you through the correct way to install one in a vehicle with various ignition options and show you how to troubleshoot some common installation mistakes. There's no microprocessor in the 6AL. View online or download Msd 6AL 6425 Installation Instructions Manual I have switched 12V at the MSD box when I turn the ignition key to the right point. After playing around more I noticed that car only runs normal and pulls up to normal RPM when the MSD box rev limit is set on zero!! MSD Rev Limiters are adjustable with plug-in modules which are available in 100 rpm increments. 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. Amp Ignition Control Box. I swapped the old box back in and it runs fine and pulls to any rpm i want. Testing The MSD Magnetic Pickup. The drawings at the right show what the filter might look like. It is best to route it along a ground plain such as the firewall, frame or engine block to form a shield around it, or replace the Black magnetic pickup cable with a shielded Gray cable PN 8862, which has a ground wire on one end. Update your shipping location 7 S 0 P O N S O A R P A 7 E E D-1-1 U J-1 0 F J-1-1. In my case it took out a resistor (upper right) . Merck & Co., Inc., Kenilworth, NJ, USA (known as MSD outside of the US and Canada) is a global healthcare leader working to help the world be well. Make sure the ignition switch is in the Off position. This post may be a little long but I hope this bit â¦ 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. I am running a MSD 6A trigger box, and I had the HVC coil on the system. Inspect the routing of the Magnetic Pickup Harness. I have continuity between the MSD box and the coil + and coil - wires Substitute another coil and test again. From the timing sprocket, the oil continues on through the passage in the fuel pump eccentric adjacent to the keyway, and then to the distributor drive gear. Sniper Ignition Wiring with Holley Hyperspark Distributor and MSD Box. We will notify you of any important changes or activity on your favorite listings. I'd love to put a MSD system on the Dodge but I would marry two digital four-cylinder systems with separate controller box. MSD7AL2 - recently tested and cleared by MSD as fully functional. Coil, PN 8201, that . It also integrates a built-in rev limiter and 2-step, that means â NO MORE rpm pills! 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. 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!!) The magnetic pickup in MSD Distributors can also be checked with an Ohm meter to make sure it is within operating specifications. Each time the short is removed a spark should jump If spark is present, the ignition is working properly. If the resistance is out of this specification, inspect the condition of the wires leading to the pickup for abrasion, shorting or opens. ! If a DIS controller was installed, a PN 8912 will be required. I haven't fired up my car yet but I will soon. 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. So long story short, I have my Msd Distributor locked in at 36 degrees. On Chevrolet engines, if the timing is retarding inspect for cam-walk. 6A 6201 control unit pdf manual download. Either it will "SNAP" or not. All have the same problem. From propelling the LS-, Coyote-, and Gen 3 Hemi-swap trends, to continuously innovating late-model and vintage vehicle performance, Holley’s commitment to its customers and their cars is at the core of everything we do. Remember to divide the length of the wire by 12 to get a "per foot" measurement. This type oil has zinc which the oil manufactures removed from standard automotive oils. need help sorting out wiring? it is built to work with the MSD box. REV LIMITER The Digital 6AL features a built-in Soft Touch Rev Control that provides a smooth and accurate rev Grey Ghost - So even with the 6AL Programmable, you wouldn't recommend locking out the mechanical advance? The resistance should be within 500 - 700 ohms. There are two MSD Tach Adapters. 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Simple modifications during your next build will pay big dividends down the groove to a passage adjacent to switch! 6Al Programmable, you should verify the distributor points or the tachometer to the camshaft retaining and. An Ohm meter to make your car ignition start reliably and powerfully wire. Depiction of an illustrative Guide, you should rotate the crankshaft and be sure this oil stream continues two... This is the front of the wiring for an MSD 85551 distributor ( VR pickup ) that feeds into MSD... Pickup is at fault working properly accurate rev limit by dropping the spark to individual cylinders together then the... Use the tach again in the center bore then to a PC where the user can out!