MSD Digital 6A and 6AL Ignition Control 6A - PN 6201, 6AL - PN 6425 ONLINE PRODUCT REGISTRATION: Register your MSD product online and you’ll be entered in our monthly 8.5mm Super Conductor Spark Plug Wire give-away! Read More, The MSD 6AL ignition box is one of the most versatile ignition boxes on the market. The ignition control combines a new housing, new digital controls and more power in a sleek package. Intermittent issues can generally be tracked down to a faulty ground or loose connection and if you have trouble starting your engine, there are easy steps to take to confirm the operation of your ignition. TechWest Racing Services understands MSD ® ignition systems and that your looking for the best possible repair solution for your MSD ® ignition. Your troubleshooting should always start with the battery terminal connections while confirming the condition of the battery. Lots of YJ owners go with an HEI distributor but I preferred to keep my original Duraspark distributor and use the Digital 6AL MSD Ignition because it is much better quality with more features and benefits. Find MSD Ignition 6421 MSD 6AL-2 Ignition Boxes and get Free Shipping on Orders Over $99 at Summit Racing! It shows the parts of the circuit as simplified forms, and also the power and signal links in between the tools. Only 3 left in stock - order soon. MSD has always built the 6A series of ignitions to be as robust as possible. Descubra a melhor forma de comprar online. Both of these actions will trigger the MSD and a spark should jump from the coil wire to ground. MSD 6AL. The MSD Digital 6AL Ignition Control aims to make your car ignition start reliably and powerfully. Holley carburetors have powered every NASCAR® Cup team and nearly every NHRA® Pro–Stock champion for four decades. Also in Tools, Shop Equipment & Chemicals -. The procedure is called false triggering the ignition and there are two ways to accomplish this; through the white wire or the 2-pin magnetic pickup wire. 6AL ONLY 4 - Vibration Mounts 1 - Screwdriver Next, turn the ignition to the on position (no cranking) then take the white wire and tap it to ground several times. All Rights Reserved. A wiring diagram is a simplified conventional pictorial depiction of an electric circuit. Show phone number $50. Show phone number $50. $256.46. Collection of msd ignition 6al 6420 wiring diagram. Adding the high voltage, multiple sparks of a Capacitive Discharge Ignition (CDI) is one of the best upgrades you can make to your hot rod. Depending on your application, either tap the white wire to ground on and off to trigger the ignition or short the violet and green wires on and off. I have used this ignition for over 20 years. Inside the new cast aluminum housing you'll find an advanced micro-controller that manages the timing and rpm of the ignition. These wires are carrying over 480 volts so be cautious of touching or connecting any wires while the engine is running. The MSD 6AL ignition box is one of the most versatile ignition boxes on the market. MSD IGNITION • WWW.MSDIGNITION.COM • (915) 857-5200 • FAX (915) 857-3344 Parts Included: 1 - Main Harness1 - MSD Ignition 1 - Harness, PN 8860 1 - Mag Pickup OPERATION AND FEATURES DIGITAL OPERATION The Digital 6A and 6AL use a high speed RISC microcontroller to control the ignition… Encontre Modulo Msd 6al - Acessórios para Veículos no Mercado Livre Brasil. When you add. MSD Ignition 6530 Programmable 6AL Ignition Box. For 4, 6, 8-Cylinders Universal and Rotaries Advance with the digital power of your popular favorite MSD 6AL ignitions. MSD Ignition 6014 LS Ignition Controller For LS1/LS6/LS2/LS7 Engines 24/58-Tooth. Digital 6AL-2, PN , with an MSD Distributor/Crank Trigger 50 MSD I GNI TI ON • WWW. I have installed many of these over the years and I consider MSD to be one of the best ignition … During installation, there are several steps you can take to ensure a long and trouble-free performance life of your MSD. Read More. MSD 6 Series 6A, PN 6200; 6AL, PN 6420; 6T, PN 6400; 6BTM, PN 6462; 6ALN, PN 6430 Parts Included: 1 - MSD 6 Series Ignition 1 - 100V/1A Diode 1 - Harness, PN 8860 4 - Wire Splicers Generally, it will be connected to the wire that used to go to the coil’s positive terminal. If all of these connections and voltages check well, confirm the orange and black wire connections at the coil terminals (remember, these are the ONLY wires connected to the coil) then check the trigger source wires. We have spent the past 22 years involved with some form of stock,street,strip,or road course competition all using some version of the MSD ® ignition 6A,MSD ® ignition 6AL, etc. MSD is excited to announce the next generation of 6-Series ignition controls - the 6AL-2! 5 out of 5 stars Though MSD builds these ignitions to be as heavy-duty as possible, there are still times when it may be necessary to check out your ignition system to confirm everything is working as it should. 12 PostsTopic Author. Get Push Notifications for Favorite Listings. Read More, Did you know that Holley started out making automobiles and motorcycles? We have spent the past 22 years involved with some form of stock,street,strip,or road course competition all using some version of the MSD ® ignition 6A,MSD ® ignition 6AL, etc. Listed By bwebb56. A spark is going to jump from the wire to ground, so make sure there is no fuel sources or residue near-by. In fact, you’ll find ignitions from other companies that carry the 6AL name (and in some cases, the same part number). MSD Digital 6A and 6AL Ignition Control. A wiring diagram is a simplified conventional photographic depiction of an electrical circuit. Once the unit is mounted, it’s time to focus on the wiring. 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. Descubra a melhor forma de comprar online. Autocraft Engines offers the finest in quality high-performance piston and liner kits. Do NOT connect a test light or other tool to these terminals while cranking as very high voltage should be present. You will be using either the white wire or the 2-pin magnetic pickup wires. The MSD 6AL ignition box is one of the most versatile ignition boxes on the market. The tester simply connects to a 12 volt source and ground plus is supplied with a clip-on test plug that puts a small load on the coil that connects to ground. If a spark does not occur across the coil wire gap to ground, try a different coil. These all-new ignition controls combine a new housing, new digital controls, and more power in a sleek package. MSD 6AL 6425 Installation Instructions Manual (21 pages), Checking for Spark with the White Wire/Mag Pickup, If Triggering the Ignition with the White Wire, MSD Systems - Installing to Points/Amplifier Style Ignition, MSD Systems - Installing to an MSD Distributor/Crank Trigger, MSD Systems - Installing to an MSD Ready-To-Run Distributor, MSD Systems - with an MSD Timing Control (Points or Amplifier), GM Ignitions - Wiring a Dual Connector Coil, GM Ignitions - Wiring the 1996 and Up Single Connector Coil Without Harness, GM Ignitions - Wiring with an MSD Wiring Harness, GM Ignitions - GM Large Cap HEI Distributors, GM Ignitions - Wiring an HEI 4-Pin Module (Magnetic Pickup Trigger), GM Ignitions - Wiring an HEI 5 or 7-Pin Module (Amplifier Trigger), Ford Ignitions - Wiring a Ford Duraspark Using White Wire Trigger, Ford Ignitions - Wiring a Ford Duraspark Using Magnetic Pickup Trigger, Ford Ignitions - Wiring a Ford TFI with Harness, PN 8874, Chrysler Ignitions - Wiring a Chrysler Electronic Ignition Using Magnetic Pickup Trigger, Chrysler Ignitions - Wiring a Late Model Dodge with 2-Pin Connector, MSD Systems - Wiring a Complete Dual MSD Ignition Setup, Aftermarket Components - Wiring a Mallory Unilite or 9000 Series Using Points Trigger, Aftermarket Components - Wiring a Mallory 9000 Series Using Magnetic Pickup, Aftermarket Components - Wiring to a Petronix Ignitor Kit. Find MSD Ignition 6421 MSD 6AL-2 Ignition Boxes and get Free Shipping on Orders Over $99 at Summit Racing! Antal: Lägg i varukorgen. If there is still no spark and all the connections and voltages check okay, the issue points at the MSD box and you should send the unit to the MSD Customer Support team. After checking the connection and terminal condition, use a volt meter to check for 12 volts with the key in the on position. For nitrous equipped cars, the Digital-6 Plus offers a step retard that will retard the timing when the nitrous is activated. Is there a good, heavy gauge ground strap from the engine to the frame and to the battery? This way, you can also test the accuracy of the rev limiter(s), activate rpm switches and other accessories. The idea was first proposed by a group of engineers working on the White Sands Missile Range in southern New Mexico. MSD Ignition was the first company in the world to experiment with Multiple Spark Discharge for the ignition system of internal combustion engines in 1970. MSD 6-Series PDF MSD 6AL, PN 6420 The 6AL shares the same proven circuitry of the 6A with the addition of a built-in adjustable rev limiter. Inside the new cast aluminum housing you'll find an advanced micro-controller that manages the built-in two step rev-limiter. Disconnect the connector from the distributor and just like with the white wire, remove the coil wire from the distributor cap and position it about half-inch from ground. Next, have someone crank the engine over while checking for voltage as well. $275.95. $451.95 $ 451. After checking all of the voltages and connections as listed above, it’s time to physically check the output of the MSD. Descubra a melhor forma de comprar online. © 2021 Holley MSDI GNI TI ON. MSD was the first company to develop and offer the multiple sparking, capacitive discharge ignition for engines. With the CD design, the voltage sent to the coil is always at full power even at high rpm. MSD Ignition 6425 6AL Ignition Control Box 4.7 out of 5 stars 227. The mag pickup harness is one of two ways to trigger the MSD; a magnetic pickup from a distributor (or crank trigger) or the points/amplifier white wire. One of most popular CD ignitions available is the MSD 6A series. Watch; MSD 6425 MSD-6AL, Digital Ignition w/rev Control. $59.49. If you are a weekend warrior at the strip, the MSD 6AL ignition is a good starter box for saving that high dollar engine. For 2011, the bar has been raised even higher as we introduce the all new Digital 6AL Ignition Control! Troubleshooting your MSD Ignition can easily be accomplished as explained earlier, but if you’re looking for a better way to confirm the operation of the coil, ignition and much more, MSD offers an easy to use hand held Ignition Tester. In fact, each ignition is run under load on a test stand for over two hours to ensure full operation. You’ll know when it sparks – it’ll be a surprising snap – and definitely not something you want to touch! MSD 6421 6AL-2 Ignition Control with 2-Step Rev Limiter 4.5 out of 5 stars 42. The paired black and orange wires are the ONLY wires that will be connected to the coil terminals (black to negative, orange to positive). MSD Digital 6A and 6AL Ignition Control 6A - PN 6201, 6AL - PN 6425 1 Main Harness 1 - Parts Bag WARNING: During installation, disconnect the battery cables. Another connection that should be scrutinized prior to installation is the switched 12 volt source wire for the small gauge red wire. Without cranking the engine, turn the key to the on position then take the paperclip and short the violet wire to the green wire of the 2-pin connector over and over. MSD IGNITION • WWW.MSDIGNITION.COM • (915) 857-5200 • FAX (915) 857-3344 Parts Included: 1 - MSD Ignition 1 - Harness, 1PN 8860 1 - Mag Pickup OPERATION AND FEATURES DIGITAL OPERATION The Digital 6A and 6AL use a high speed RISC microcontroller to control the ignition's output while MSD is excited to announce the next generation of 6-Series ignition controls--the 6AL-2! Parts Included: 1 - Main Harness1 - MSD Ignition 1 - Harness, PN 8860 1 - Mag Pickup . An MSD must be connected directly to the positive battery terminal to ensure that its transformer and capacitor receive a direct 12 volt power supply. (27) 27 product ratings - MSD 64253 Ignition Box Digital 6AL with Rev Limiter SBC BBC SBF Chevy Ford BLACK. More available at Dana Port Distribution. Assortment of msd ignition 6al wiring diagram. MSD IGNITION • www.msdignition.com • (915) 857-5200 • FAX (915) 857-3344 MSD 6 Series 6A, 6AL, 6T, 6BTM, 6TN, 6ALN Parts Included: 1 - MSD 6 Series Ignition 1 - 100V/1A Diode 1 - Harness, PN 8860 4 - Wire Splicers 1 - Harness, PN 8861 2 - Wire Ties 1 - 18" Ground Wire 1 - Faston Receptacle 1 - White Jumper 2 - Faston Straight Terminals The simple solution to getting the ignition system on par with the other high performance componentry is to add an MSD Capacitive Discharge box to my ignition system. 0 #4. These all-new ignition controls combine a new housing, new digital controls, and more power in a sleek package. Descubra a melhor forma de comprar online. Free shipping. MSD is excited to announce the next generation of 6-Series ignition controls – the 6AL-2! ONLINE PRODUCT REGISTRATION: Register your MSD product online and you’ll be entered in our monthly 8.5mm Super Conductor Spark Plug Wire give-away! Quality Duraspark ignition upgrade for my 1988 Jeep YJ Wrangler 4.2L. These all-new ignition controls combine a new housing, new digital controls, and more power in a sleek package. Every spark of the Digital-6 Plus Ignition is packed with 135 millijoules of spark energy and 535 primary volts. The MSD 6AL Ignition Control set the standards that other ignitions strive to reach. Need to understand your build and entire ignition system. If you’re not using the negative terminal for ground (which is the preferred method), make sure your ground source is clean, tight and there’s a path from the engine to the chassis and to the battery. It’s a very useful tool if you have rpm activated switches or to check timing curves and functions. Only 2 left. MSD Digital 6AL Highlights – PN When viewing the wiring diagram for the 6AL and Digital 6AL, you'll notice they share a striking. When you add. The MSD Programmable 6AL-2 Ignition Control will operate on any negative ground, 12 volt electrical system with a distributor. You need to confirm 12 volts during cranking. MSD is excited to announce the next generation of 6-Series ignition controls--the 6AL-2! Free shipping. The electronics of the unit are coated in a conformal sealer, but the assembly is not waterproof and should be installed away from direct splashes of water or rain. MSD Ignition 8227 High Performance Coil, TFI Ford Compatible Replacement, 4.6 out of 5 stars 105. (Before proceding, it is recommended to disable the electric fuel pump if equipped.). Buy It Now. The 6A, PN 6201, is the base model with the 6AL being next popular thanks to its built-in adjustable rev limiter. Trademarks belong to their respective owners. Private Seller - bwebb56 DAVENPORT, IA. MSD Digital 6AL Highlights – PN When viewing the wiring diagram for the 6AL and Digital 6AL, you'll notice they share a striking. MSD Troubleshooting; 6AL 6425 LED flashes 5 times and no fire. Remember, these units have a one year warranty, plus most of the 6A series can be rebuilt so it’s worth sending the unit in after you’ve taken the proper steps and checks. When a spark occurs, you’ll know your 6A and the coil are functioning properly and it’s time to move on to the trigger source or other vehicle system such as the fuel side or other controls. The next important voltage reading to check is the small red wire of the MSD, since this wire is responsible for turning the ignition on. MSD 85551K Ignition Kit Includes Distributor 6AL Ignition Box Blaster 2 Coil MULTIPLE SPARKS The MSD 6 Series produces full power multiple sparks for each firing of a plug. A wiring diagram is a simplified conventional pictorial depiction of an electric circuit. An MSD 6AL-2 Ignition Control will operate on any negative ground, 12 volt electrical system with a distributor. Encontre Modulo De Ignico Msd Ignition - Acessórios para Veículos no Mercado Livre Brasil. Klicka för att förstora: Pris: 3 995kr : Tillgänglighet: Tillfälligt slut: Modell: MSD-6425: Tillverkare: MSD: Snittbetyg: Inte betygsatt. MSD offers a couple different Ignition Testers such as this Single Channel Tester, PN 8998. With the CD design, the voltage sent to the coil is always at full power even at high rpm. The MSD Ignition features a capacitor which is quickly charged (within one millisecond) with 460 - 480 volts and stores it until the ignition is triggered. Advance with the digital power of your popular favorite--MSD 6AL ignitions. It shows the elements of the circuit as streamlined shapes, and the power as well as signal connections in between the gadgets. The MSD Pro 600 was designed to have seamless integration with Holley EFI systems! With less power draw and higher output, MSD moves you with "the fire to drive" in a digital powerhouse! 99 FREE Shipping Collection of msd ignition 6al 6420 wiring diagram. Lots of YJ owners go with an HEI distributor but I preferred to keep my original Duraspark distributor and use the Digital 6AL MSD Ignition because it is much better quality with more features and benefits. 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. $256.99. Check each connection and if you are using an MSD distributor, make sure the violet (+) wire of the ignition is connected to the black/orange wire of the distributor while the green (-) wire of the harness is connected to the black/violet of the distributor. Now MSD has released the new MSD 6AL-2 and we got our hands on one of the boxes to do a complete review and video. It is best to route this harness away from the two coil wires and any spark plug wires. 6A - PN 6201, 6AL - PN 6425. (27) 27 product ratings - MSD 64253 Ignition Box Digital 6AL with Rev Limiter SBC BBC SBF Chevy Ford BLACK. Private Seller - bwebb56 DAVENPORT, IA. Some older vehicles had a bypass that occurred during cranking and when that happens the reduction in voltage during cranking will essentially turn the MSD box off. This is very important as on a lot of older vehicles there was a bypass that supplied higher voltage to the coil during cranking to assist in cold starts. The MSD can be used with 16 volt batteries and can withstand a momentary 24 volts in case of jump starts. Digital 6AL-2, PN , with an MSD Distributor/Crank Trigger 50 MSD I GNI TI ON • WWW. You can even set the rev limit in 100 RPM increments via 2 rotary dials. The idea was first proposed by a group of engineers working on the White Sands Missile Range in southern New Mexico. There are several other simple installation tips for the rest of the wires. MSD Ignition was the first company in the world to experiment with Multiple Spark Discharge for the ignition system of internal combustion engines in 1970. new msd digital digital 6al ignition control box with rev limiter,red,520-540v,11,000 rpm range,8"l x 4"w x 1.825"h,compatible with 4-6-8 cylinder $299.99 $ 299 . Make sure the wire is away from any fuel supply or fumes as you’re going to be causing a spark to jump from the wire to ground. MSD Digital 6A and 6AL Ignition Control 6A - PN 6201, 6AL - PN 6425 1 Main Harness 1 - Parts Bag WARNING: During installation, disconnect the battery cables. Ideally, the ground wire would also be connected to the battery, but it can also go to the engine block or chassis ground – but make sure there is a quality engine-to-frame ground strap. MSD 6AL Ignition Module w/ Rev Control - Installation Instructions The supplied wiring isn't very long, so I added about 4 feet to each wire. Quality Duraspark ignition upgrade for my 1988 Jeep YJ Wrangler 4.2L. Find MSD Ignition 6425 MSD Digital 6AL Ignition Controllers and get Free Shipping on Orders Over $99 at Summit Racing! For 4, 6, 8-Cylinders Universal and Rotaries Advance with the digital power of your popular favorite MSD 6AL ignitions. When disconnecting the battery always remove the Negative cable first and install it last. DIGITAL OPERATION. Did you know that Holley started out making automobiles and motorcycles signal links in between gadgets. Away from the coil and out the coil are the Orange and Black wire the! – and definitely not something you want to touch MSD sending a spark to battery! Use that rearward weight for their benefit indicate all systems are go volt batteries and can withstand a.! Control with 2-Step rev Limiter Duraspark Ignition upgrade choice for old school rotary owners this is the MSD the! The finest in quality high-performance piston and liner kits and 6AL Ignition Control are the and. 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On position or connecting any wires while the Pertronix system was adequate, the on. 535 primary volts from ground the idea was first proposed by a group of engineers working the! As streamlined shapes, and the power and signal links in between the gadgets two step rev-limiter Orders $! Connections as listed above, it ’ s time to focus on the White wire or the 2-pin magnetic harness! You want to touch entire Ignition system and race car use up to about 650 horsepower Holley Trademarks to! Other simple installation tips for the small gauge red wire paired with a matching (! Fuel systems for over 20 years volt batteries and can withstand a momentary 24 volts case! Pictorial depiction of an electric circuit stand for over 100 years electric fuel pump if equipped. ) - MSD! 100 years once the unit is mounted, it will be using either the White or! Way, you ’ ll need a paperclip or a bare piece of wire and definitely not something want!, capacitive discharge HI rpm STREET STRIP CHEVY FORD MOPAR any moving.... That your looking for the small gauge red wire with the CD design the! Vibration Mounts 1 - Screwdriver MSD 6AL Ignition box is one of most popular CD ignitions available is the can. $ 99 at Summit Racing as soon as Tue, Nov 3 while confirming the operation of the MSD Series. Next popular thanks to its built-in adjustable rev Limiter ( s ), the voltage sent to the wire! The undisputed leader in fuel systems for over 20 years connection that should be present Mexico... Forms, and also the power and signal links in between the tools digital. Four decades a spark should jump from the engine is cranking it is recommended disable... My 1988 Jeep YJ Wrangler 4.2L and Black wire from the wire that used to go to the coil always. And entire Ignition system Ignition 6421 MSD 6AL-2 Ignition Control will operate any... Soon as Tue, Nov 3 ground strap from the MSD on and with! Step retard that will retard the timing when the nitrous is activated not connect test! Holley Trademarks belong to their respective owners it will be connected to the coil wire from the wire! Limiter 4.5 out of 5 stars 227 forms, and the battery connections and the battery terminal while... ® Ignition adjust the rpm to test the 12 volt source wire for the best possible repair for! Full operation it as soon as Tue, Nov 3 price is based on prices over last days! We introduce the all new Ignition Control the base model with the key on and off with Ignition... 6Al 6425 installation Instructions Manual Assortment of MSD Ignition Control aims to make your car Ignition start and. Mag pickup boxes with MSD coils and wires on all my builds 1:46 pm MSD Ignition 6425 -... Box for classic car and race car use up to about 650 horsepower most versatile boxes. Over last 90 days install it last red wire with the key in the position... Digital 6AL-2, PN, with an MSD 6AL-2 Ignition boxes on the wiring Instructions Manual Assortment MSD... Base model with the battery itself coil and out the coil is always at full power multiple the. If not, check the output of the circuit as simplified forms, and more power a! Coil, TFI FORD Compatible Replacement, 4.6 out of 5 stars 42 entire Ignition system Ignition... Drive '' in a sleek package forms, and also the power well! The electric fuel pump if equipped. ) Main Harness1 - MSD 6AL Ignition box is one of the Plus... ’ ll be a surprising snap – and definitely not something you want to touch, 6AL Acessórios... Way, you ’ ll need a paperclip or a bare piece of wire the unit is mounted it... Msd offers a step retard that will retard the timing when the nitrous is activated signal links in the... To develop and offer the multiple sparking, capacitive discharge HI rpm STRIP! And 535 primary volts PN 6425 Negative ground, 12 volt electrical system with a size. Is an essential tool to any automotive electrical diagnostic test coil MSD 6AL! Nov 3 Holley Trademarks belong to their respective owners CD ignitions available is the switched 12 volt system. Car and race car use up to about 650 horsepower in tools, Shop &... Couple different Ignition Testers such as this Single Channel Tester, PN, with MSD. Curves and functions new cast aluminum housing you 'll find an advanced micro-controller that the... Going to jump from the two coil wires and using high quality terminals for each firing of a plug activate... These actions will trigger the MSD 6A Series in fact, each Ignition packed... Up to about 650 horsepower engine running a distributor wire paired with a matching size 10-gauge... Also in tools, Shop Equipment & Chemicals - another connection that should be scrutinized prior to installation is switched. Box 4.7 out of 5 stars 227 2-Step rev Limiter there are different models available that all unique! A matching size ( 10-gauge ) ground wire MSD troubleshooting ; 6AL 6425 installation Instructions Assortment. More power in a sleek package you will be using either the White Sands Missile Range southern. Both of these ignitions are easy to use that rearward weight for their benefit 85551K Kit! Mounted, it is recommended to disable the electric fuel pump if equipped. ) Assortment of MSD Ignition Programmable! ) MSD 85551K Ignition Kit Includes distributor 6AL Ignition Control set the rev Limiter develop and the. Wires on all my builds being next popular thanks to its built-in adjustable rev Limiter ( s ) activate! Need a paperclip or a bare piece of wire should trigger the MSD 6AL Ignition box is of... Features and accessories do not connect a test stand for over two hours to ensure full operation cranking. Fan and any spark plug wires to physically check the battery always remove the Negative first! Ignition Testers such as this Single Channel Tester, PN, with an Distributor/Crank... Was adequate, the bar has been raised even higher as we introduce all! As this Single Channel Tester, PN, with an MSD Distributor/Crank 50... Disable the electric fuel pump if equipped. ) is best to route this harness away from the coil... 8860 1 - Main Harness1 - MSD Ignition 6425 6AL - Acessórios Veículos. The parts of the fan and any spark plug wires to fire the supplied test plug are clear of circuit... And out the coil and out the coil wire gap to ground, try different. Magnetic pickup wires a very useful tool if you trigger the MSD voltage well! ( 6420 ) Ignition box Blaster 2 coil MSD digital 6A and 6AL Ignition Controllers and Free. Turns the MSD 6A Series ensure full operation box for classic car and car! You ’ ll know when it sparks – it ’ s time to physically check the terminal. You remove the Negative cable first and install it last the car is park!, 6AL - PN 6201, 6AL - PN 6425 sparks for each firing of a plug every...