Dakota Digital 3X Series Installation And Operation Manual page 33

Troubleshooting guide.
Problem
Clock will not light up
Clock will not turn off when
the key is off.
Clock lights up, but does
not read correctly.
Clock will not keep time.
Clock will not dim.
Clock remains dim at all
times.
Gauge will not display the
temperature.
Temperature readout shows
"---".
Temperature reads in C
instead of F.
Technical specifications
Minimum operating voltage
Maximum operating voltage
(operating at or near maximum voltage for an extended time can damage unit)
Maximum temperature reading -
Temperature accuracy
Clock accuracy
Standby current draw (key off) -
Typical current draw (@ 13.8V) -
Possible cause
Ignition key is not on.
Red wire does not have
power.
White/Red wire does not have
power.
Black wire is not getting
a good ground.
Power is reversed.
Clock is damaged.
The red wire has constant
power.
Loose connection on white/red Reconnect white/red wire.
power wire.
Poor ground connection.
Time is not set.
Clock is damaged.
White/red wire does not have
constant power.
Loose connection on white/red Reconnect white/red wire.
power wire.
Poor ground connection.
Time adjustment needs to be
set.
Blue wire is not connected
correctly.
Blue wire is getting power
all of the time.
Battery is very low.
Clock is damaged.
Temp sensor is not connected Check sensor connections to gauge.
correctly.
Gray wire is shorted to ground. Check connections to gray wire.
Sensor harness is pinched or
shorted.
Sensor temperature is below
-39F.
Sensor is damaged.
Incorrect temp unit selected
- 5 volts
- 17 volts
250 F (125 C)
- 2 F ( 1 C)
- 2 minute per month (±0.5 with adjustment)
0.004 A
0.10 A
33
Solution
Make sure the key is on.
Connect to a location that has power
only when the key is on.
Connect to a location that has power
all of the time.
Connect ground to a different location.
Connect black to negative ground, red and
white/red to +12V power.
Return clock for repair. (see instructions)
Connect the red to switched power, the
white/red to constant power.
Move ground to different location
Set time. (see instructions)
Return clock for repair. (see instructions)
Connect to a location that has power when
the key is on or off.
Move ground to different location
See "Setting the time". Step 8 changes
the fine tuning.
Check wiring connections.
Connect blue wire to location that only
has power when the headlights are on.
Recharge or replace vehicle battery.
Return clock for repair. (contact factory)
Inspect sensor harness for damage.
Warm sensor up and watch for change.
Return sensor for repair. (see instructions)
Change unit in setup. (see instructions)
MAN 650067:G