18
Symptom
Possible Problem
Solution
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The fuel display reads
The control box may be set for
Refer to “Fuel DIP switch settings”
backwards, incorrectly,
the wrong type of fuel sender.
section of the installation manual
or does not change.
to ensure that the settings match
your fuel sender.
The fuel sender may not be
Check the connections at both
connected to the control box
ends of the fuel sender wire.
properly.
Make sure the fuel sender is
grounded properly.
The fuel sender may not be
Check the fuel sending unit with
operating properly.
a mechanical gauge or an
electrical multi-meter.
The fuel sender may have a
If the proper resistance range
non-standard resistance
setting is not available with
range.
the control box settings, replace
the fuel sender with a different
style.
The oil or water display
The engine block may not be
Use heavy ground cables from the
reading is incorrect.
grounded to the chassis frame
battery to the engine block.
or body properly.
Make sure both ends of the cable
have clean metal-to-metal
connections.
Use a braided ground strap to
ground the engine block to the
chassis.
Use a large braided ground strap
to ground the engine block to
the body or fire wall.
The threads are not grounding to
Make sure no thread sealant is used
the engine block.
on any of the threads.
The sending unit wire is picking
Isolate the sending unit wire from
up noise from nearby wires.
motor and ignition wires.
The sending unit is not
Use the sending unit provided
compatible with the control box
the display system.
The sending unit has failed.
Return the sending unit to
Dakota Digital for replacement.
