These selectors use the msd plug in rpm modules.
Msd 3 step wiring instructions.
Do not use solid core spark plug wires with any msd component.
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.
Msd 3 step module selectors are designed for great versatility.
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.
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.
Msd module selectors two step pn 8739 three step pn 8737 parts included.
This helps keep tire temperatures consistent.
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.
Page 1 msd module selectors two step pn 8739 three step pn 8737 parts included.
Do not use solid core spark plug wires with any msd component.
To lengthen the wires use one size bigger gauge wire 12 gauge for.
When the line lock button is released.
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.
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.
Msd was the first company to develop and offer the multiple sparking capacitive discharge ignition for engines.
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Page 7 installation instructions figure 8 connecting the three step module selector.
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.
1 module selector 4 mounting screws note.
Connecting the three step function 1.
1 parts bag wiring terminals 1 module selector 4 mounting screws note.
