Tan - Brake Connect to the parking brake wire from the dash to negative side of parking brake
light switch. NOTE: If you are using a one wire switch you may need to switch to a two-wire switch.
This wire is an optional wire some vehicles may not require
Brown – High Beam Connect the brown wire on the Dash unit to your high beam headlight circuit.
This wire is powered on when the high beam is turned on.
Green/Yellow – Check Engine Connect to the Negative side of the Check Engine Light circuit.
The Check Engine light will come on when using with a PCM or ECM.
Grey with White strip – Right Turn Signal 18-gauge wire is the - RIGHT turn signal
Grey with Black strip – Left Turn Signal 18-gauge wire is the – Left turn signal.
Voltage Gauge This Gauge Requires no wire hookup. Volt Gauge is built into the dash panel and
is powered by the main power and ground connection of the dash. It does have an Adjuster to fine
tune the voltage. Note: you will need to adjust it before fully installing the dash
Black/Yellow - Fuel Ground Run a new ground wire and attach to your Fuel sending unit housing
to ensure proper fuel gauge operation. If the sending unit does not have a sufficient ground, it will
not work properly.
Yellow – Fuel The fuel gauge sending unit is not normally supplied because the display system
can use the existing fuel level sending unit in the tank in most cases. 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 external harness, make sure that the wire does not have power. Fuel senders
reference their ground from the sender mounting plate. Connect the yellow wire to the factory
sending
unit.
Both switches in the ON position for GM 40-250
For GM 0-90 - #1 toggle is ON
# 2 toggle is OFF.
Both switches in the OFF position for VDO
For Universal/Stewart Warner
#1 toggle is OFF
# 2 toggle is ON.
Trip/Cal Button - Push button on Dash – Used to easily reset your trip odometer or other
speedometer functions.
Tach program Button –Push button on Dash Used to easily set the other functions of the
tachometer.
Green - Tachometer
If your vehicle has a separate ignition coil, connect the green wire to the negative (-)
side of the coil – the wire that goes to the points or electronic ignition module.
To ensure that the ignition system does not interfere with any other dashboard functions,
do not run the tachometer wire alongside any other sender or input wires. Do not use solid
core spark plug wires with this dashboard system. Solid core ignition wires cause a large
amount of electromagnetic and radio frequency interference which can disrupt the
system's operation.
If your vehicle has a GM HEI ignition, connect to the terminal marked 'TACH', or, on some
systems, a single white wire with a spade terminal.
If your vehicle has an after-market ignition – some systems will connect to the TACH
output terminal.
4 DP4005
Intellitronix (rev 1/11/2024)
40-250
GM
98+
OHM
www.intellitronix.com
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