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MAN 650067:F
13
If your wiring harness already has a single wire routed through the vehicle for the fuel
sender, then it may be used. If using a wire from an existing harness, make sure that the wire
does not have power. The fuel sender gets power from the control box only. Fuel senders
reference their ground from the sender mounting plate. Make sure that a ground wire is
connected from one of the sender mounting bolts to the vehicle frame.
The fuel sender type is selected using the setup menu under “FUEL”. The settings are
discussed later in the setup section. Anytime the fuel level is below 10%, the reading will flash
as a warning of low fuel.
The fuel gauge will initially display “FL” until the fuel sender type has been set. If the fuel
display shows “ --” this indicates that the control box is sensing a s
hort to ground or out-of-
range error from the sender or sender wire. If the fuel display shows “EE” this indicates that the
control box is sensing an open circuit or out-of-range error from the sender. If either indication
remains on the display, inspect the sender wire for damage, check the routing of the sender
wire, check the sending unit grounding, and check that the sender selection is set correctly for
the sending unit that is connected.
FUEL –
This terminal is used to provide a ground connection for the fuel level sensor. Dakota
Digital recommends that you use the FUEL - terminal and run a twisted pair of wires back to
your fuel level sensor. Connect the FUEL - terminal to the fuel level sensor body or a mounting
screw to insure the sensor is sufficiently grounded. One terminal on the sensor is the signal
which goes to the FUEL SND terminal
***For fuel level sensors that are attached to an electric fuel pump, or if you have
an electric fuel pump in the tank, make sure that the fuel pump is externally grounded to
the vehicle chassis. Attempting to ground the fuel pump to the Dakota Digital control
box will result in erratic operation and damage to the control box.
CRUISE (-)
The CRUISE terminal can be used as a “cruise engaged” indicator. The CRUISE input is
activated by a ground signal from a compatible cruise control harness. Whenever the CRUISE
input is grounded, the system will display a small “c” to the right of the speedometer.
W
AIT (+)
The WAIT terminal can be used as a “wait to start” or glow plug indicator. The WAIT
input is activated by a 12 volt signal from the glow plugs. Whenever the WAIT input is powered,
+12V, the system will display a flashing “W” in the lower left corner of the message display.
GEAR (1 wire)
The GEAR terminal is used for the gear shift indicator. The indicator is built into every
system, but will not light up unless a Dakota Digital GSS-1000/2000/5000 gear shift sending unit
is connected, telling the system what gear the transmission is in. The gear shift sending unit is
not included with the system and must be purchased separately if desired.
The GEAR terminal will connect to the FIRST terminal on a GSS-1000 or to the 1-WIRE
terminal on a GSS-2000 or GSS-5000. Follow the instructions in the GSS manual for use with a
single wire display system.
NOTE: The system will automatically change to the gear display for a few seconds
whenever the gear position changes, even if viewing a different message screen.