8969 Datasheet, PDF (2/4 Pages) Mallory performance club – Digital RPM Activated Window Switch

2
INSTALLATION INSTRUCTIONS
The rpm activation points and cylin-
der select are programmed through
the push buttons on the LED panel
(Figure 1). Press the Mode button,
and notice that the indicator light
above the On RPM lights. When that
point is on, you can scroll the rpm
value up or down with the arrows on
the left of the panel. Once your On
rpm is set, push the Mode button
until the Off RPM point lights, then
set the Off rpm point. Note that if the
Figure 1 Programming the Digital Switch.
rpm point is not changed within 2-seconds, the screen returns to the current rpm reading (zero when
the engine is not running). After setting the On and Off points, press the Mode button to program the
Cylinder Select Valve (default is for 8-cyl.).
RED
BLACK
WHITE
WIRING
This is the On/Off wire. Connects to switched 12 volts.
Connects to a good ground source.
Signal Input. Provides the trigger signal from a tach input, +5-12 volt signal from
an ignition tach output terminal, ECU output or coil negative terminal.
OUTPUT WIRES
GRAY
YELLOW
Normally Closed. This wire will remove the ground source at your desired
On rpm, and complete the ground circuit at the set Off rpm.
Normally Opened. This wire will provide a ground source at your desired On
rpm, and remove the ground at the set Off rpm.
Note: The output wires are capable of a switch load of 2.5 amps, continuous. The operating
input voltage of the Switch is 9-18 volts.
Figure 2 Wired to a Stock Inductive Style Ignition at the Coil Negative Terminal.
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