Mallory Ignition Mallory HYFIRE VIIC CONTROL UNIT 674M User Manual
Page 3
3
NC
N
NO
RPM2
RPM3
RET1
RET2
RET2
To roll control switch that supplies
+12 volts when active
EXAMPLE 4: Burnout RPM Limiter (Mode 2).
NC
N
NO
RPM2
RPM3
RET1
RET2
RET2
To +12 Volts
EXAMPLE 3: Using the RPM switch to activate a retard stage at a particular RPM.
(Not available when used with the HYFIRE
®
667S)
NC
N
NO
RPM2
RPM3
RET1
RET2
RET2
To clutch pedal or transbrake switch
that supplies +12 volts when active
EXAMPLE 5: Staging RPM Limiter.
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