Msd Two Step Wiring Diagram Wiring Draw And Schematic

1 - Module Selector. 4 - Mounting Screws. Note: Do NOT use solid core spark plug wires with any MSD component. 1 - Parts Bag, Wiring Terminals. Module 2. This is the default module. It is active when no voltage is present. on the other wires. Active when 12 volts are applied to the Red Wire. Active when 12 volts are applied to the Blue Wire. (3.. The MSD Module Selectors provide the ability to switch between two different rpm or degree modules. The different modules are activated when 12 volts are applied to the corresponding activation wire. The Selectors work with either a Soft Touch Rev Control or any MSD Timing Control that uses plug-in modules.

This helps to prevent excessive wheel spin and ensures a controlled launch. The module is controlled by a switch that can be mounted on the dashboard or steering wheel, allowing the driver to easily engage or disengage the 2 Step feature. The wiring diagram for the MSD 2 Step 8739 includes connections for the ignition system, tachometer, and.. AUTOTRONIC CONTROLS CORPORATION • 1490 HENRY BRENNAN DR., EL PASO, TEXAS 79936 • (915) 857-5200 • FAX (915) 857-3344 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