5
MAN#650044
Troubleshooting guide.
Problem
Possible cause
Solution
Gauge will not light up
PWR terminal does not have
Connect to a location that has power.
power.
GND terminal is not getting
Connect ground to a different location.
a good ground.
Case-to-display ground
Connect a ground wire to the display case.
has been damaged.
Gauge is damaged.
Return gauge for repair. (see instructions)
Gauge lights up, but
Sender is not connected
Connect wires from gauge to sender
displays “EE”.
to gauge.
terminals.
Wire between gauge 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.
Gauge is damaged.
Return gauge for repair. (contact factory)
Sender is damaged.
Return for replacement. (see instructions)
Gauge lights up, but
Sender wire is shorted to
Check wire for damaged insulation, replace
displays “--”.
ground.
if necessary.
Gauge is damaged.
Return gauge for repair. (contact factory)
Gauge 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.
sender type.
Gauge flashes constantly.
Warning limits are not set
Reset warning limits.
properly.
Vehicle has improper air
Check air level and air pump.
pressure.
External warning indicator
Indicator not connected
Check indicator wiring connections.
does not work.
properly.
Indicator does not work.
Repair or replace indicator.
Gauge output has been
Return gauge for repair. (see instructions)
damaged.
Gauge will not dim.
DIM terminal is not connected
Check wiring connections.
correctly.
Gauge is damaged.
Return gauge for repair. (contact factory)
Gauge 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)
