This module selector switches between two different rpm or degree modules, with each module activated by applying 12 volts to its corresponding wire. It works with either a Soft Touch Rev Control or any MSD Timing Control that uses plug-in modules.
Specifications:
- Category: Ignition
- Product Type: Module Selector
- Switches between two rpm or degree modules
- Compatible with Soft Touch Rev Control or MSD Timing Controls using plug-in modules
- Allows a separate launch rev limiter and high-speed rev limiter
- Part Number: 8739
FAQ
What does the 8739 module selector do?
It switches between two different rpm or degree modules, activated by applying 12 volts to the corresponding wire.
What is it compatible with?
It works with a Soft Touch Rev Control or any MSD Timing Control that uses plug-in modules.
Can it run a separate launch and high-speed limiter?
Yes, it allows one module to serve as a launch rev limiter and the other as a high-speed rev limiter.

