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MAN 650067:F
14
4x4 (-)
The 4x4 terminal can be used on four wheel drive vehicles. The 4x4 input is activated by
a ground signal from a switch on the transfer case. Connect a wire from this terminal to the
switch on the transfer case. Whenever the 4x4 input is grounded the system will display a
highlighted “x4” in the lower right corner of the message display.
RIGHT (+)
The RIGHT terminal is activated by a 12 volt signal from the turn signal flasher. When
this terminal has 12 volts, an arrow will light up to the right of the speedometer display. An
existing wire from the vehicle for the right turn indicator can be used or a new wire can be
connected from the turn signal flasher or power wire feeding the right turn signal bulb.
LEFT (+)
The LEFT terminal is activated by a 12 volt signal from the turn signal flasher. When this
terminal has 12 volts, an arrow will light up to the left of the speedometer display. An existing
wire from the vehicle for the left turn indicator can be used or a new wire can be connected from
the turn signal flasher or power wire feeding the left turn signal bulb.
HIGH (+)
The HIGH terminal is activated by a 12 volt signal from the headlight high beam wire.
When the terminal has 12 volts, an indicator will light up to the lower right of the speedometer
display. An existing wire from the vehicle for the high beam indicator can be used or a new wire
can be connected from the high beam side of the hi/low beam switch.
BRAKE (-)
The BRAKE terminal can be used as a brake system warning indicator. The BRAKE
input is activated by a ground signal from the brake pressure switch on the master cylinder or
from the parking brake set switch. Connect a wire from this terminal to the pressure switch on
the master cylinder or consult a vehicle service manual to determine color and location of an
existing wire. Whenever the BRAKE input is grounded, the system will display a flashing “B” in
the upper right corner of the message display.
CHECK ENG (-)
The check engine terminal is used with fuel injection ECM’s to display engine problems
and trouble codes. The CHECK input is activated by a ground signal from the ECM. Whenever
the check input is grounded, the system will display a flashing “E” in the upper left corner of the
message display.
When the ECM is placed into diagnostic mode, trouble codes can be read by counting
the flashes. Consult a service manual for the fuel injection system that you have for further
information on trouble codes.
With some ECM’s, a 12 volt light bulb may need to be connected in addition to the
CHECK input in order to provide proper current loading. In this case, both the bulb and our
display system indicator would come on when the check engine wire is “active”.
AUX. I/O
This jack is used to connect future bus expansion modules (BIM). Do not attempt to plug
in any other device to this jack or damage to the control box will occur. This connector should
be left open, unless using a Dakota Digital product designed for it. Operation is discussed with
BIM units purchased separately.