Find msd three step module selectors 8737 and get free shipping on orders over 99 at summit racing.
Msd 3 step wiring instructions.
1 module selector 4 mounting screws note.
All of the wires of the msd ignition may be shortened as long as quality connectors are used or soldered in place.
1 parts bag wiring terminals the msd module selectors provide the ability to switch between two or three different rpm or degree modules.
The line of msd 6 series ignitions are the most popular aftermarket ignitions in the world due to our race proven performance on the track and our reliability on the street.
Msd 3 step module selectors are designed for great versatility.
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Find msd three step module selectors 8737.
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.
Msd module selectors two step pn 8739 three step pn 8737 parts included.
Page 1 msd module selectors two step pn 8739 three step pn 8737 parts included.
Since the 7al 3 is primarily a drag race ignition the launch limit is designed to override the race and burnout limits even if the burnout limit is activated at the same time.
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.
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.
Do not use solid core spark plug wires with any msd component.
Msd was the first company to develop and offer the multiple sparking capacitive discharge ignition for engines.
Connecting the three step function 1.
They feature three built in rev limiters one for burnout one for starting line launch and one for high end.
To lengthen the wires use one size bigger gauge wire 12 gauge for.
When the line lock button is released.
Page 7 installation instructions figure 8 connecting the three step module selector.
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By connecting one wire to the line lock circuit one module will be activated during the burnout.
