Dakota Digital 3X Series Installation And Operation Manual page 31

Symptom
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The Check Engine
indicator stays on
all of the time.
The Function switches
do not operate
properly.
The display system starts
up in the demonstration
mode and remains in it.
For VFD3X systems with an ODYR-16 clock with day/date and temp built in
Features:
12 hour format with AM/PM display.
Day of Week and Date of Month display.
Outside Temperature display.
Night dimming.
High Visibility VFD display for sunlight readability.
Operation:
The white/red wire should be connected to a constant 12 volt feed to keep the time. The red wire should
be connected to a 12 volt accessory feed. The black wire provides the gauge ground. Connect the ring terminal
from the black wire to a screw at the top rear of the case. Attach the loose end of the black wire to a main vehicle
ground and also the temp sensor black wire. When the blue wire has 12 volts, it will dim the display for night
viewing. The gray wire attaches to the temp sensor red wire. The green wire will be used with a remote mount
switch. The remote switch should apply power to the green wire when pressed.
Possible Problem
The Engine Control Module
(ECM) needs to see the
load of a light connected to it.
The push-button switches are
not connected to the control
box.
The wrong type of switch is
being used.
SW2 terminal is constantly
connected to ground.
Clock Instructions
31
Solution
Connect a bulb with one wire to
keyed power and the other to
the CHECK ENG terminal.
Momentary push-button or toggle
switches must be connected to
the SW1 and SW2 terminals
as described in the manual.
The switch terminal connected
to the control box should
normally be open. When the
the switch is activated, the
terminal should make contact
to ground.
Disconnect or replace the
SW2 switch.
MAN 650067:G