1 parts bag wiring terminals 1 module selector 4 mounting screws note.
Msd 3 step wiring instructions.
The different rpm modules are activated when 12 volts are applied to a corresponding wire.
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.
Find msd three step module selectors 8737.
Msd 3 step module selectors are designed for great versatility.
Msd was the first company to develop and offer the multiple sparking capacitive discharge ignition for engines.
Page 1 msd module selectors two step pn 8739 three step pn 8737 parts included.
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.
To lengthen the wires use one size bigger gauge wire 12 gauge for.
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.
4 installation instructions s uêwwwmsdperformance comê uê x ê nxx ç óî ê uê 8 ê x ê nxç îî wiring general wiring information wire length.
Do not use solid core spark plug wires with any msd component.
All of the wires of the msd ignition may be shortened as long as quality connectors are used or soldered in place.
Installation instructions 3 m s d www msdperformance com 915 857 5200 fax 915 857 3344 points distributor orang e black white white step retard pink not used red red red figure 3 wiring the control with an msd 7 series ignition control.
They feature three built in rev limiters one for burnout one for starting line launch and one for high end.
Page 7 installation instructions figure 8 connecting the three step module selector.
1 module selector 4 mounting screws note.
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 the msd module selectors provide the ability to switch between two or three different rpm or degree modules.
By connecting one wire to the line lock circuit one module will be activated during the burnout.
Do not use solid core spark plug wires with any msd component.
These selectors use the msd plug in rpm modules.
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Connecting the three step function 1.
