Msd 3 Step Module

These selectors use the msd plug in rpm modules.

Msd 3 step module.

This install being done is on a 1988 chevy camaro iroc z. Find msd three step module selectors 8737 and get free shipping on orders over 99 at summit racing. Do not use solid core spark plug wires with any msd component. 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.

The different rpm modules are activated when 12 volts are applied to a corresponding wire. These msd 3 step module selectors are designed for great versatility. When the line lock button is released. As an example we ll use a drag car with a three step module selec tor plugged into the rpm socket of a 7al 2 ignition.

Find msd three step module selectors 8737. 1 parts bag wiring terminals 1 module selector 4 mounting screws note. They feature three built in rev limiters one for burnout one for starting line launch and one for high end. By connecting one wire to the line lock circuit one module will be activated during the burnout.

These selectors use the msd plug in rpm modules. 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. This helps keep tire temperatures consistent.