I will take pics and fully document to process and add this to the FAQ when I am done. Here are the diagrams: Generic Import Install. 22RE Install with the Tach Adapter (Adapter is a must for 22RE in order for the FI and Tach to work properly) Other items needed: Excellent cap and rotor.Jul 21, 2012 · I am going to install a MSD 6AL2 Box and have some wiring Questions. The Wire Diagram Supplied for the MSD Box says the wiring goes as follows: 1. Heavy Red - To Batt Positive 2. Heavy Black - To Batt Negative 3. White - Not Used 4. Orange - Coil Positive 5. Black - Coil Negative 6. J. JeffN Discussion starter · Apr 2, 2016. 1970 SS El Camino, Mark Jones 454 (460). Ever since installing my MSD 6AL box I've had occasional run on when I shut off the engine. I have a one wire alternator and the external voltage regulator is gone. Can't figure out where (which wire) to install the diode to prevent electricity from feeding ...MSD 6AL DIGITAL IGNITION CONTROL BOX WITH REV LIMITER,BLACK,520-540 VOLTS PRIMARY,11,000 RPM RANGE,COMPATIBLE WITH 4, 6 OR 8-CYLINDER ENGINES. ... MSD Ignition MSD29774 Replacement Wire Harness For 6AL Ignition Box. 5.0 out of 5 stars 21. $29.98 $ 29. 98. FREE delivery Jun 15 - 20 . Only 15 left in stock - order soon.I have a nitrous car with a 6al ignition and MSD 8970 three stage retard box and Eldebrock progressive, i have the 8970 connected to the msd 6al my nitrous is on a push button switch plus 12 volts activates the nitrous and the eldebrock progressive controller. the 8970 states you must remove ground in order for the retard to activate, how do you wire to remove ground when i press the nitrous ...Msd 6 Series Installation Instructions 6a 6al 6t 6btm 6tn 6aln Pdf Free. Msd 85001 Super Hei Kit Instructions Manualzz. Wiring Diagrams And Tech Notes. Msd S Newest 6al Takes Conventional Ignitions Into The Digital Age Street Muscle. Msd 6a Questions Replace Or Use Ignition Control Module Range Rovers Forum. Msd Install For 22r S Page 2 Pirate 4x4MSD IGNITION • www.msdignition.com • (915) 857-5200 • FAX (915) 857-3344 MSD Pro-Billet Chevrolet V8 Distributor PN 85551 with Vacuum Advance, PN 8361 ... Figure 15 Wiring with an MSD 7-Series Ignition and Timing Control. Note: MSD 6 and 7 Series Ignitions share the same color wiring. ...Name: msd 6al 2 wiring diagram – msd wiring diagram two step wiring harness diagrams rh nimroo org msd 2 step 8733 wiring diagram msd 2 step 8733 wiring diagram File Type: JPG Source: mazola.coJul 13, 2020. #1. Ok In have a 340 that I am using a msd 6al box, msd 8534 distributor and msd blaster 2 coil. I currently have it on a run stand to do my initial break in but I have no spark to the plugs. I have checked the box by jumping the leads per the msd trouble shooting instructions with a new coil and I did have spark coming out of the ...Location. Western Washington. 72RoadRunnerGTX said: The blue (ign 1,+12v ignition run only) wire and the brown (resistor by-pass, +12v cranking only) wire have to be connected together for aftermarket ignition systems requiring +12v while running and cranking. This is correct, if you look at the diagram the connection comes off of the 2 wires ...Msd wiring diagram 6al hei 6a digital. Msd 2 step wiring diagram www.chanish.org. Source: ricardolevinsmorales.com. 18 pics about msd 6al 6420 wiring diagram for optispark distributor : Wiring diagram honda volt shadow winnebago spirit sightseer vt 1100 manual 2001 electrical harness acrobat reader helpful display.There are several ways to do it. You can keep everything you have, and let the original coil wire trigger the MSD box. You will keep your dist, duraspark II box too. Instead of the duraspark box triggering the coil, it will trigger the msd box. You can reuse your stock coil. The other way is to buy one of their harnesses, and let the Ford ...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 1 - Red Jumper 4 - 45° Faston Terminals 6T, 6TN, 6AL 6ALN, 6BTM, 6-Offroad Only:Re: msd 6al and ms2 wiring, as well as EMI protection. by rickb794 » Thu Jun 02, 2016 11:44 pm. For your ground, Electrically the 5 or 6 small black wires are better than 1 larger wire. More strands = better conductivity. Observe the recommendations for sensor returns (grounding). Mount the coil on the motor, not on the firewall.Hello! I purchased a Digital 6AL for my 1986 Power Ram 50. Followed the wiring diagram to a T, get spark from the dizzy input wire, but no spark to the plugs (signal not firing). I used the magnetic pickup wires (green/violet) as I have 2 wires coming from the dizzy (black/white +, green -). My distributor Proof of it being the same:Figure 10 Wiring an MSD 10 PLUS with a Mag Pickup. INSTALLATION INSTRUCTIONS MSD IGNITION • www.msdignition.com • (915) 857-5200 • FAX (915) 857-3344. aCtIvatIng the retard through a nItrouS SolenoId. The Retard can be activated at the same time as a nitrous solenoid. Connect the Gray wire to theMar 21, 2003 · The black wire on the distributor is not used. For the tach, use the "tach output" on the MSD module. If you are adding it in with the duraspark module, use the white wire to hook up to the terminal that used to hook up to coil (-). Small black wire to coil (-), small orange wire to coil (+), small red wire to IGN 12V (hot in run AND start). MSD Module Selectors Two Step, PN 8739 Three Step, PN 8737 Parts Included: 1 - Module Selector 4 - Mounting Screws Note: Do NOT use solid core spark plug wires with any MSD component. 1 - Parts Bag, Wiring Terminals The MSD Module Selectors provide the ability to switch between two or three different rpm or degree modules.Here is a wiring diagram showing the installation of the complete HyperSpark ignition including the distributor and optinoally-available ignition box and coil: ... Below is an example of the wiring for an MSD 6AL. Other capacitive ignition boxes will be wired similarly. Sniper Ignition Wiring with Holley Hyperspark Distributor and MSD Box.1 - Parts Bag, Wiring Terminals The MSD Module Selectors provide the ability to switch between two or three different rpm or degree modules. The different modules are activated when 12 volts are applied to the corresponding activa-tion wire. The Selectors work with either a Soft Touch Rev Control or any MSD Timing Control that uses plug-in modules.Here's a short how to of wiring an MSD box to a ford TFI style ignition.351w Swap Headers on Amazon:https://www.amazon.com/gp/search/ref=as_li_qf_sp_sr_tl?ie...DIGITAL OPERATION The Digital 6A and 6AL use a high speed RISC microcontroller to control the ignition's output while constantly analyzing the various inputs such as supply …Need some help wiring this, if anyone can help that would be great. The diagrams in the instructions aren't for my particular application. Everything is self explanatory except connection to the distributor. I have a 6al2 box with a pro billet distributor which has a magnetic pickup. The diagram for the 6al box shows a points type distributor.I installed an MSD 6AL box on my 383. I'm using a Mallory HEI billet distributor (4 pin). Until now I had just been using a hot wire to the distributor from keyed switch. The motor started up fine and ran okay, but when I went to turn off the key, the motor stayed on.Ignition: MSD 6AL (Rev Limiter @ 6,000 RPM) Coil: MSD Blaster SS Distributor: MSD Distributor (8485) ... Also check you spark plug wires and, especially, the coil wire. We had a off reading on the plugs on one side of an ACVW engine that had the longer plug wires. Took a volt/OHM meter and checked and checked them and all looked good.MSD 6AL part #6420. Jump to Latest Follow 9063 Views 8 Replies 5 Participants Last post by ol"blue, May 6, 2012. ... msd wiring.jpg. 25.1 KB Views: 14,597. See less See more 1 88 LeBaron convertible. Msd ignition, 2-piece w/ 52mm, ported exhaust manifold,inter-cooled, converted T2.I want to hook up a shift lite.(running a manual 6 speed) I am using a MSD 6AL box. I have a MSD distributor with the mag pick up plugged into the distributor. I am currently using the "tach output" wire to trigger my Autometer tach (small tach that only reads rpm) I have a MSD rpm activated switch pt# 8950 . The wiring diagram from MSD shows ...The Msd 6al Wiring Diagrams are typically used in older vehicles that rely on the use of points and condenser-type systems. For example, some vehicles may use an MSD 6AL ignition amplifier that requires specific wiring connections to be made. Without the wiring diagram it would be impossible to know how to connect the amplifier correctly, and ...MSD is excited to announce the next generation of 6-Series ignition controls - the 6AL-2! The ignition control combines a new housing, new digital controls, and more power in a sleek package. Inside the new cast aluminum housing, you'll find an advanced micro-controller that manages the built-in two-step rev-limiter. The spark output of the new box has been turned up to 535 volts of primary ...MSD IGNITION • www.msdignition.com • (915) 857-5200 • FAX (915) 857-3344 Figure 12 Wiring to an MSD 6-Series Ignition Control. Figure 13 Wiring to an MSD 7-Series Ignition Control. WARNING: High voltage is present on the coil terminals. Do not touch the terminals or A wiring diagram to connect the MSD Power Grid System Controller to a 6AL can be found in .. GM IGNITIONS Wiring an HEI 4-pin Module (Magnetic Pickup Trigger). Hei Distributor Wiring Diagram Chevy Rate Msd 6al Wiring Diagram Hei New Mesmerizing Mallory Hei Distributor is just one of the many collections of. My was in my Nova with a GM HEI with ...Jul 20, 2015 · Detailed how to guide on installing an MSD 6AL with an HEI distributor.Link to MSD 6AL: http://amzn.to/2mf4uFoI got my rebate! Just took almost 3 months. General Q & A - Help needed wiring in MSD 6AL boxes - I am having no luck figuring out how to wire this new ignition box into my existing t-bolt IV ignition. I am using the wiring diagram for "point or electronic amplifier". Problem is, the original coil has 4 wires going to it. MSD instruction does notThe MSD Digital 6AL wiring diagram is fairly simple to understand, as it's laid out in a logical way. The diagram begins with the power source, which is the battery. This is followed by the ignition switch, which allows you to turn the system on and off. The diagram then moves on to the MSD Digital 6AL, showing the various connectors and ...Name: msd 6al hei wiring diagram - msd 6al wiring diagram chevy v 8 wire center u2022 rh idigitals co MSD 6AL Wiring Diagram Chevy V 8 MSD Digital 6AL Wiring Diagram; File Type: JPG; Source: g-news.co; Size: 146.41 KB; Dimension: 1024 x 769MSD is excited to announce the next generation of 6-Series ignition controls - the 6AL-2! The ignition control combines a new housing, new digital controls, and more power in a sleek package. Inside the new cast aluminum housing, you'll find an advanced micro-controller that manages the built-in two-step rev-limiter. The spark output of the new box has been turned up to 535 volts of primary ...The Msd 6Al 2 Wiring Diagram, pointers, and often asked questions are all readily available here. We created this page for someone who looking for a Msd 6Al 2 Wiring Diagram. Msd 6Al 2 Wiring Diagram. A wiring diagram will certainly show you where the wires must be connected, so you do not have to presume.A capacitive discharge ignition designed to complement electronic fuel injection systems. MSD now offers the perfect addition to your MSD Atomic EFI or another aftermarket electronic fuel injection, the 6EFI Ignition Control. The 6EFI is designed to work in harmony with electronic fuel injection systems and comes with detailed wiring instructions making installation a breeze. Increased ...DIGITAL OPERATION The Digital 6A and 6AL use a high speed RISC microcontroller to control the ignition's output while constantly analyzing the various inputs such as supply voltage, trigger signals and rpm.6al-2. View and Download MSD 6421 installation instructions manual online. Ignition Control. 6421 control unit pdf manual download. Also for: 6al-2.Mustang Msd 6al Wiring Diagram Custom Diagrams. Posted by Custom Diagrams (Author) 2023-06-30 . Msd 6al 2 Wiring DiagramMsd Digital 6Al 6425 Wiring Diagram from lib.americanmuscle.com. Print the cabling diagram off in addition to use highlighters to trace the routine. When you use your finger or stick to the circuit with your eyes, it is easy to mistrace the circuit. One trick that We use is to print out a similar wiring plan off twice. Figure 10 Wiring an MSD 10 PLUS with a Mag Pickup. INSTALLATION INSTRUCTIONS MSD IGNITION • www.msdignition.com • (915) 857-5200 • FAX (915) 857-3344. aCtIvatIng the retard through a nItrouS SolenoId. The Retard can be activated at the same time as a nitrous solenoid. Connect the Gray wire to theShowing some of things you can do with this box.MSD Install for 22r's. I will be installing an MSD OFFROAD ignition in my 84 toyota however this goes for most MSD ignition modules (be it the msd 6, msd6al and etc...). The wiring is pretty straight forward, but can be daunting if you don't do wiring all that much and the directions that come with the unit are vague for toyota's.A friend of mine is looking to have myself wire up his 347 Mustang which has a Vortech supercharger. He has a 6AL and the Vortech BTM (by MSD). He previously had a 6A installed in the car before the Vortech SC. The wiring diagrams that came with the BTM show a setup with MSD box used with the BTM. However, it shows a 2 wire distributor.Jun 14, 2012 ... The MSD instructions show a two wire pick-up, 1-black and 1 orange, for ... maybe naj has the wiring diagram you need. See less See more. 1.Detailed how to guide on installing an MSD 6AL with an HEI distributor.Link to MSD 6AL: http://amzn.to/2mf4uFoI got my rebate! Just took almost 3 months.See the Msd 6Al Digital Wiring Diagram images below. Msd 6Al Digital Wiring Diagram, Msd Digital 6al Wiring Diagram – Free Wiring Diagram Msd 6Al Digital Wiring Diagram, Msd Digital 6al Wiring Diagram Tips and tricks for reading wiring diagrams. Put a blank sheet of paper next to the wiring diagram and just draw the …The MSD Programmable 6AL-2 Ignition Control will operate on any negative ground, 12 volt electrical system with a distributor. The MSD can be used with 16 volt batteries and can …Sbc Msd 6al Hei Wiring Diagram. Sbc Msd 6al Hei Wiring Diagram. Posted by Wiring Diagram (Author) 2023-06-25## Wiring Diagram Msd 6Al### [C3X]## ## Wiring Diagram Msd 6Al 9 hours ago — 10 hours ago — 6 hours ago — MSD 6 Serisi Kurulum Talima...Hi there, have a MSD ready to run with four wires. Black, red, orange, and Gray for the tach. Question is: Can the Gray wire be used to supply to the necessary signal to both the Auto Meter tach and the oem style in-dash tach (1969 roadrunner), or do I need to take the signal for the oem in-dash dash tach from negative side of he coil? Seems like a silly question I know, but I think each ...000000010 Reverse polarity protection circuit This will protect the ignition. Which is why it will run on with. Bank with Freely For 6421 Msd 6al 2 Wiring Diagram. HP/Holley Dual Sync/MSD 6AL-2 Combo Wiring Diagram? - 2001 Honda 35 Engine Diagram. 000000011 Shown by the pictorial to be easily identifiable A wiring. As well as the operation of ...May 7, 2016 ... ... MSD 6AL. 1. I am using the wiring diagram in the MSD directions "Installing to a Points/Ignition Amplifier Style Ignition" *** First and ...As far as the MSD goes, the 6al drives the coil directly; no need for any ballast resistor. Just follow the MSD wiring diagram. If you use the Blaster coil ...Name: msd 6al hei wiring diagram - msd 6al wiring diagram chevy v 8 wire center u2022 rh idigitals co MSD 6AL Wiring Diagram Chevy V 8 MSD Digital 6AL Wiring Diagram; File Type: JPG; Source: g-news.co; Size: 146.41 KB; Dimension: 1024 x 769Oct 30, 2011 ... The diagram from MSD says to wire two wires (violet and green) into one harness and connect to the magnetic pickup wire on the distributor.The MSD 6M-2L Ignition Control is designed for performance marine applications where a high energy and reliable ignition is a necessity. The capacitive discharge (CD) design of the MSD produces full power sparks throughout your boat's entire rpm range. Below 3,000 rpm, a series of multiple sparks burn in the cylinder for 20° of crankshaft rotation ensuring complete combustion. Together, these ...And I have the pdf file from the website and I have all the diagrams in a book on ignitions systems by CarTech. But none of those sources say which of the purple and green wire from the MSD box go to which of the brown and black wire from the distributor. 1988 RC, 727, 4X4, 360, 1406 Carb, MSD 6AL. 1976 RC 4X4 (converted to short WB pickup ...The schematic diagram does not show the useful connection between the elements or their position. It includes just symbols and lines. A wiring diagram is a generalized pictorial representation of an electrical circuit. The components are represented using streamlined shapes in wiring diagrams. Msd 6al 6420 Wiring Diagram For Optispark Distributor.Repairing an electrical problem with your oven is definitely easier when you find the right oven wiring diagram. Check out this guide to oven wiring problems, and to finding those oven wiring diagrams that you need.It has 4 wires: ground, light, coil negative and positive connections. Not sure if I may need a converter or adapter. If your tach was originally designed to work with points and coil it probably won't work without a tach adapter. My 72 BMW tach requires an adapter like this to work with the MSD 6AL.Msd 6 series installation instructions 6a, 6al, 6t, 6btm, 6tn, 6aln parts included: Wiring diagram msd 6al ignition box. To a switched 12 volt source such as the ignition key or switch. If you have a 6al 6t 6btm 6 offroad or …MSD 6A is an electronic ignition system designed for racing applications, and the wiring diagram provides a clear and concise visual representation of how each component needs to be connected. It is essential to understand this diagram before attempting any electrical installation or repairs. When wiring any electrical system, it is important ...This wire is responsible for turning the MSD On and Off. Connects . to a switched 12 volt source such as the ignition key or switch. (Max current draw of .250 mA.) This wire connects to the coil positive (+) terminal. This is the . ONLY. wire that makes electrical contact with the positive coil terminal. This wire connects to the coil negative ... For street performance you want all centrifugal advane in by 3000 RPM (some say by 2500 RPM). Im running 14 degrees initial with 38 total in by 3000 RPM. Follow this link at the MSD site and scroll to the Ford wiring diagrams. In principal I agree that theoretically if you buy a parts store Duraspark dist for an 85 5.0L HO with manual trans it ...Their wiring diagram indicates the same. If I understand correctly, you're suggesting there's a pink "coil wire" in the American Autowire harness? I'll go ...The black wire on the distributor is not used. For the tach, use the "tach output" on the MSD module. If you are adding it in with the duraspark module, use the white wire to hook up to the terminal that used to hook up to coil (-). Small black wire to coil (-), small orange wire to coil (+), small red wire to IGN 12V (hot in run AND start).TACH WIRE ON MSD 6AL PN 6425. X1000 X100. OPERATION. The Digital 2-Step Control is designed specifically for the MSD Digital 6AL Ignition . Control, PN 6425. It provides the ability to set an rpm limit to be used during the launch of the vehicle through a switch or tied into a line-lock device or trans-brake. There is a Blue wire coming out of theThe MSD Digital 6AL ignition box is one of the most widely used ignition boxes in the high-performance market because it works with nearly every engine. In this video, Jeremy Stoermer shows you how to install and troubleshoot the 6AL ignition box. The key to a good installation begins with where you place the 6AL ignition box.C3 Tech/Performance - Wiring question for those with an MSD ignition box - Recently purchased a MSD 6AL-2 ignition box for my 71. Got the box mounted and the heavy gauge positive and negative wires hooked up. However, trying to find a good connection point for the smaller red ignition wire that requires 12v with key...1 msd 6 series ignition 1 100v 1a diode 1 harness pn 8860 4 wire splicers. Msd ignition 6al wiring diagram collections of msd ignition system wiring diagram inspirationa msd ignition wiring. Msd ignition 6al 6420 wiring diagram gooddy org and 6a webtor ideas. This is the msd 6 wiring diagram msd 6al digital wiring wiring diagrams j of a pic.Msd Digital 6Al 6425 Wiring Diagram from lib.americanmuscle.com. Print the cabling diagram off in addition to use highlighters to trace the routine. When you use your finger or stick to the circuit with your eyes, it is easy to mistrace the circuit. One trick that We use is to print out a similar wiring plan off twice.Installing a MSD Digital 6AL and a Summit Distributor on a craigslist Chevy 327 with a new camshaft in my 1966 Impala.i need a wiring diagram to put in a 6al with MSD 8987 Start and Step Timing Control and window switch. also with nitrous. With relays.i have the four pin distibutor. would the arming for the nitrous be able to turn off the start step and window switches to be able to drive on the street also. thanks chrisVeteran Member. Sep 24, 2014. 5,311. Pittsburgh, Pa. My 6AL in my S-10 is mounted on the fender. I wanted to keep it away from the exhaust and close to the battery, this was the best place for me. (Please disregard the masking tape. I was cutting stainless for the cowl induction cold air). + to batt, - to frame. Jul 6, 2017.Like. flat4tom Discussion starter · #5 · Aug 16, 2011. Yes, the Digital 6AL has two wire loops that need to be cut for 4 cyls. They're both cut. The 6AL is working fine and isn't the issue, the issue is the Digital 2-step box is not working. Thx for the reply though.MSD 8876 MSD 6 to GM Dual Connector Coil Harness. Skip to main content. Categories. Brands. Shop By Vehicle. The harnesses plug directly into your factory coil and harness then four color coded wires plug into the corresponding wires of the MSD.Msd 6Al To Hei Wiring Diagram Autoctono Me Ripping Tagged at detail msd 6al wiring diagram ignition best, wiring diagram msd 6al. The Digital 6A and 6AL feature a capacitive discharge ignition design. The majority of Note: Solid Core spark plug wires cannot be used with an MSD Ignition.MSD is excited to announce the next generation of 6-Series ignition controls - the 6AL-2! The ignition control combines a new housing, new digital controls, and more power in a sleek package. Inside the new cast aluminum housing, you'll find an advanced micro-controller that manages the built-in two-step rev-limiter. The spark output of the new box has been turned up to 535 volts of primary ... I want to use a MSD 6AL and MSD coil with my stock distributor to retain the original appearance. The wiring diagram from MSD shows how to make the connections, so my question is, will this setup work for a weekend show and cruising car or should I spend the bucks and get the MSD distributor...XSPOWER · #9 · Nov 5, 2009. My son doesn't have the 6AL-2 box , but he just added the MSD 2-step to his 85GT and I think they would work the same. His just required a 12V source to a red wire on the box that activates the 2-step. His 2 step is mounted in the engine compartment beside his 6AL box and he just spliced the red 2-step wire into ...With the key in the on position (not running), the LED should flash five times to indicate all systems are go. If not, check the battery connections and the battery itself. The battery needs to be fully charged and in good health, then check the MSD connections to the battery positive terminal as well as the ground.To view free diagrams for E-Z Go golf carts, visit VintageGolfCartParts.com or BlockbusterGolfCarts.com. Both websites offer wiring diagrams for the electrical system, charger, speed controller and steering assembly.Nov 24, 2019 ... Im not too sure what the MSD wiring diagram is saying according to the 2 pink and 2 white wires. ... How to install msd 6al in 87 trans am · MSD ...Msd 6Al Hei Wiring Diagram. A wiring diagram will certainly show you where the wires must be, Name: msd 6al 2 wiring diagram – msd wiring diagram two step wiring harness diag, TACH WIRE ON MSD 6AL PN 6425. X1000 X100. OPERATION. The Digital 2-Step Control is designed, The following diagrams show how to wire the crank trigger to MSD Ignition systems. SETTING UP THE DISTRIBUTOR , The MSD functions differently - it uses a tuned capacitor-inductor resonant circuit to inten, MSD Install for 22r's. I will be installing an MSD OFFROAD ignition in my 84 toyota however this, Wiring Diagram Pics Detail: Name: msd 6al part number 6420 wiring diagra, Read Or Download Msd 6al Wiring Diagram Mopar FREE Wiring Diagram at, FORM 1522TL. INSTALLATION INSTRUCTIONS. HYFIRE 6A and 6A, The MSD Digital-6 Plus Ignition Control combines terrifi, D. Dean_T · #9 · Jun 15, 2004. In case anyone is wondering , Massachusetts. Aug 12, 2016. #1. I am not getting my autometer tac, 67CamaroRS/SS said: I think you may have it hooked up wron, CONNECTING THE DIGITAL 6AL WITH THE MSD POWER GRID SYSTEM CONTROLLE, Canmat1 · #3 · Feb 10, 2016. I have done a few of th, The General Motors GM radio wire harness uses gray, orange,, Understanding The Wiring Diagram For MSD Box MSD boxes are one of the , Jan 14, 2012 ... Okay so I spent the past week slowly wiring in M.