Troubleshooting guide.
IMPORTANT: Make sure to always disconnect the negative cable from the battery if you are
going to be working on or under the vehicle. Failure to do so can result in serious injury if the
system is accidentally activated.
Problem Possible
cause
Solution
----------------------------------------------------------------------------------------------------------------------------------------------------
Display will not light up,
PWR terminal does not have
Check connections to control system.
green light is off.
power.
GND terminal is not getting
Connect ground to a different location.
a
good
ground.
Ground wire on control system Connect ground to a different location.
is not connected properly
Power wire on control system
Connect the large red wire to a constant 12V
is not powered.
power source. (do not use a battery charger)
Ignition
key
is
off.
Turn
key
on.
Accessory wire is not getting
Connect the red/white wire to power with the
power.
key
on.
Display will not light up,
Loose wire.
Check connections to display.
green light is on.
Display is damaged.
Return display for repair. (see instructions)
Display lights up, but
Sender is not connected
Connect wires from controller to sender
displays “EE”.
to controller.
terminals.
Wire between controller and
Test and replace wire.
sender
is
broken.
Sender is not grounding
Sender grounds through it’s mounting
properly.
threads. Make sure the threads are
clean.
Do Not Use Tape or Sealant
on Sender Threads.
Controller is damaged.
Return controller for repair. (contact factory)
Sender is damaged.
Return for replacement. (see instructions)
Display lights up, but
Sender wire is shorted to
Check wire for damaged insulation, replace
displays “--”.
ground.
if necessary.
Controller is damaged.
Return controller for repair. (contact factory)
Display lights up, but does
Loose connection on
Reconnect wire going to PWR terminal.
not read correctly.
power wire.
Poor sender ground.
Make sure sender case is getting a solid ground.
Poor ground connection.
Move ground to different location
Incorrect sender type.
Make sure sender has been replaced with
the
correct
type
(SEN-03-1
or
-5).
Gauge is set for the wrong
Reset the sender type (switch #1).
sender
type.
Display flashes constantly.
System is not able to bring the Check auto presets and air lines.
bags up to the set pressure.
Tank has improper air
Check air level and air pump.
pressure.
Display will not dim.
DIM terminal is not connected Check wiring connections.
correctly.
Gauge is damaged.
Return gauge for repair. (contact factory)
Display remains dim at all
DIM terminal is getting power
Connect DIM terminal to location that only
times.
all of the time.
has power when the headlights are on.
Battery is very low.
Recharge or replace vehicle battery.
Gauge is damaged.
Return gauge for repair. (contact factory)
Switches will not operate
10A fuse is blown.
Replace fuse.
any of the solenoids.
4510 W. 61ST St. N., Sioux Falls, SD 57107
Phone: (605) 332-6513 FAX: (605) 339-4106
©Copyright 200
4
Dakota Digital Inc.
11
