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Sven2
07-28-2003, 09:50 AM
Hello Tech Support,

I am interfacing a custom control circuit to an MSD Digital 6 Plus ignition (P/N 6520).
I need to know the current requirements and voltage thresholds of the following input signals.
A schematic of the input circuits would be very helpful.

Signal List
1) Red power control wire. This wire is responsible for turning the MSD On and Off.
2) Blue rev limit control wire. This wire activates the Two Step Rev Control.
3) Pink retard control wire. This wire activates the retard stage when it is applied to 12 volts.


Thank you for your help.

Sven2

msdtech2
07-28-2003, 03:32 PM
Unfortunately we do not release any schematics for any of the circuits, but the current requirements for the circuits you inquiring are as follows:
Small Red Wire, 250 milliamps and less than 1 volt threshold from battery voltage
Blue Wire is 20 milliamps with same threshold
Pink Wire is 20 milliamps with same threshold
Thanks,
msdtech2