The small Red wire of the MSD is connected to a switched 12 volt source. If running a 6AL, 6BTM or 6ALN on a 4 or 6-cylinder engine the cylinder select must be modified. The MSD power leads are connected directly to the battery positive and negative terminals. The battery is connected and fully charged if not using an alternator.. Discover the detailed wiring diagram for the MSD 6AL Digital ignition system. Learn how to properly install and wire this high-performance ignition system to enhance your vehicle's performance.
Detailed wiring diagram for MSD Digital 6AL ignition system. Step-by-step guide to connecting components for optimal performance in your vehicle.. Learn how to properly wire the MSD 6AL ignition box for optimal performance and reliability. Follow step-by-step instructions and diagrams to ensure a successful installation of this popular aftermarket ignition system.