Msd Two Step Instructions

The engine speed tab is similar to springs and weights that would normally be found in a distributor.

Msd two step instructions.

Wire the 2 step rev limit and the led will turn off. This install being done is on a 1988 chevy camaro iroc z. This two step module is an add on for the msd digital 6al and its purpose is to stop the 6al from delivering spark to the engine holding it at a specified rpm the two step component is used to hold the engine at a lower rpm to control wheel spin and grip to achieve a shorter launch time. When 12 volts are removed from the blue.

For example you can use a lower rpm module for staging and then automatically switch to a higher rpm module after you release your trans brake or line lock. Page 7 installation instructions custom 1. There is a useful led built into the digital 2 step. The position for 11 900 is reserved for use with msd s power grid.

They require the use of plug in modules which are available separately. When you re staged you can hold the pedal to the floor while the rpm stays at a consistent level producing consistent launches. For extended high rpm operation the blaster hvc pn 8252 or hvc ii pn 8253 are recommended. Gm performance fans will be geeked to learn about this direct plug in 2 step launch control.

There is a blue wire coming out of the 2 step that controls when the launch. By connecting one wire to the line lock circuit one module will be activated during the burnout. The line of msd blaster coils pn 8202 pn 8207 and pn 8222 are great for street and mild racing. These msd 2 step module selectors let you choose from two different rpm limits that can be activated at different times.

Do not use solid core spark plug wires with any msd component. The different rpm modules are activated when 12 volts are applied to a corresponding wire. The msd 6al 2 ignition can be used with most stock coils and aftermarket coils designed to replace the stock coils. The unit is easy to install with factory style connectors for a splice free installation.

Page 2 installation instructions rev limiter step module selector pn 8739 black autotronic controls corporation 1490 henry brennan dr el paso tx 79936 module 2 module 1. Connect all eight of the 2 pin male connectors from the msd harness into the factory coil connectors. Disconnect the 2 pin connectors from each of the eight ignition coils. As an example we ll use a drag car with a two step module selec tor plugged into the rpm socket of a 7al 2 ignition.

This led will illuminate when 12 volts are applied to the blue wire and the low rpm limit of the 2 step is active. 1 parts bag wiring terminals 1 module selector 4 mounting screws note. This tab contains two sub tabs with plots that are similar to msd pn6010 pn6012 ignition controllers. Connect the 3 pin harness to the 2 step and connect the black wire to the good engine or chassis ground.

This helps keep tire temperatures consistent.