Page 1 msd module selectors two step pn 8739 three step pn 8737 parts included.
Msd 3 step instructions.
Find msd three step module selectors 8737.
Installation instructions 3 msd www msdperformance com 915 857 5200 fa 915 857 3344 spark plugs and wires spark plug wires are very important to the operation of your ignition system.
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The msd 6al 2 ignition can be used with most stock coils and aftermarket coils designed to replace the stock coils.
This helps keep tire temperatures consistent.
For extended high rpm operation the blaster hvc pn 8252 or hvc ii pn 8253 are recommended.
Here is the install of the msd 3 step.
Do not use solid core spark plug wires with any msd component.
The line of msd blaster coils pn 8202 pn 8207 and pn 8222 are great for street and mild racing.
Msd also makes one of these for the digital 6al box.
Testing the launch control on msd 3 step r4ka 240sx.
The different rpm modules are activated when 12 volts are applied to a corresponding wire.
All of the features are adjusted using plug in modules including the 3 step rev control and multi step retard.
2 installation instructions autotronic controls corporation 1490 henry brennan dr el paso texas 79936 915 857 5200 fax 915 857 3344 figure 3 basic three step installation.
The rev control gives you the ability to set one rev limit for the burnout another for the staging rpm limit.
By connecting one wire to the line lock circuit one module will be activated during the burnout.
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.
They feature three built in rev limiters one for burnout one for starting line launch and one for high end.
Find msd three step module selectors 8737 and get free shipping on orders over 99 at summit racing.
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.
T a c h c c ign pts m m ground rpm to ground to 12v module 2 active with no voltage.
These selectors use the msd plug in rpm modules.
This one is for the analog 6al box that s older.
Msd 3 step module selectors are designed for great versatility.
For racers that want adjustments at their fingertips the 7al 3 is the right choice.
When the line lock button is released.
