Msd Two Step Switch
Do not use solid core spark plug wires with any msd component.
Msd two step switch. Permits the user to switch between two different rpm or retard modules when used with one of the msd soft touch rev controls or one of the msd timing computers. 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. I have my fairmonts clutch switch wired up as in the msd link i use the stock horn button on the turn signal lever for the line lok and once i am staged as long as i keep the clutch pedal to the floor i can release the horn button and the line lok and low side 2 step will stay activated until i dump the clutch works great and i dont have. With the addition of an rpm activated switch you can use the two step to activate a shift light at different rpm the module selectors must be used with an msd soft touch rev control or a timing controller with a high speed retard module.
Find msd two step module selectors 8739 and get free shipping on orders over 99 at summit racing. While 2step does build boost on the line it is. Page 1 msd module selectors two step pn 8739 three step pn 8737 parts included. Plenty of two step install videos but there is ver.
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. 1 parts bag wiring terminals 1 module selector 4 mounting screws note. Msd two step wiring diagram wiring diagram is a simplified usual pictorial representation of an electrical circuit it shows the components of the circuit as simplified shapes and the talent and signal friends amongst the devices. These msd 2 step module selectors let you choose from two different rpm limits that can be activated at different times.
This is said time and time again and it is a common misconception. No one takes the time anymore to help out the guys and gals that would like to do it on there own anymore. 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. With a two step limiter though you have two rev limiters that are each set with there own parameters.
This is a great feature for engines being upgraded to a multi stage nitrous system. For example you could have a rev limiter set up at 4200 rpm and another at 6500 rpm. Msd 2 step wiring diagram wiring diagram is a simplified satisfactory pictorial representation of an electrical circuit it shows the components of the circuit as simplified shapes and the power and signal connections along with the devices. Note 2step is not anti lag.