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53
MAN# 650814
Symptom
Possible Problem
Solution
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The fuel gauge reads
The Control Box may be set for
Refer to “Fuel Setup”
backwards, incorrectly, the wrong type of fuel sensor. section of the installation manual
or does not change.
to ensure that the settings match
your fuel sensor.
The fuel sensor may not be
Check the connections at both
connected to the Control Box
ends of the fuel sensor wire.
properly.
Make sure the fuel sensor is
grounded properly. Ideally it should be
grounded to the Control Box.
The fuel sensor may not be
Check the fuel sending unit with
operating properly.
an electrical multi-meter.
The fuel sensor may have a
Use the manual adj fuel sensor setup.
non-standard resistance
See the Fuel Setup section of the
range.
manual for instructions.
The oil or water reading The engine block may not be
Use heavy ground cables from the
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 firewall.
The sending units are not grounded Make sure wires are in correct terminals.
at the Control Box.
The sending unit wire is picking
Isolate the sending unit wire from
up noise from nearby wires.
engine and ignition wires.
The sending unit is not
Use the sending unit provided with
compatible with the Control Box
the instrument system.
Water temperature sensor has an
Warm the engine up to pressurize the
air pocket in the coolant near it.
coolant system. Slowly loosen the sensor
until coolant begins to seep out. Tighten
the sensor up again.
The gear shift indicator
The optional gear shift sending Connect the sending unit to the
does not light up.
unit is not connected to the
Control Box using the
Control Box.
instructions supplied with the
sending unit.
The gear shift indicator
The gear shift decoder
Check the connections to the
does not operate
is not connected properly,
transmission linkage and to
properly.
or programmed correctly.
the Control Box.
Check gear shift decoder
installation manual.
The internal turn signal
The Control Box is not connected
Check the wires connected to the
or high beam
to the vehicle's electrical
HIGH, LEFT, and RIGHT
indicators do not light up. system properly.
terminals on the Control Box.
The TURN REMIND setup
Refer to “Display Setup” “TURN REMIND”
menu is set to OEM.
section of the installation manual.