Intellitronix DP4003 Installation Manual page 3

Oil Pressure – Orange (Signal wire)
Oil Pressure – Orange/White (Ground wire)
Use the existing oil pressure sending unit with these gauges. Do not use Teflon tape or other sealer on
the new sending unit's threads. This will avoid inaccurate ground connections as the sending units get
their ground from the threads. The oil sender gets its ground from the threading into the engine
block, thus proper grounding is crucial. Connect to the sending unit.
Dimmer – Purple Connect to the parking lights to dim the LEDs 50% when the headlights are on.
However, *DO NOT * connect to the headlight rheostat control wire, or the dimming feature will not
work properly and may cause damage to Unit.
CABLE BUTTONS
Trip/Cal Button - Grey Cable Button or Push button on Dash - There are two grey wires connected
to the push-button for the speedometer board. Mount the switch in a convenient location such as
under the steering column so that you may easily reset your trip odometer or other speedometer
functions.
Tach program Button – Grey Cable Button or Push button on Dash There are two grey wires
connected to the push-button for the tachometer board. Mount the switch in a convenient location
such as under the steering column so that you may easily set the other functions of the tachometer.
Fuel – Yellow (Signal wire)
Fuel – Yellow Black (Ground wire)
The fuel gauge sending unit is not supplied because the display system can use the existing fuel level
sending unit in the tank in most cases. Run two new 18 AWG wire for the signal and grounding of the
sending unit.
Note: The default setting for this dash is the GM industry standard of 0-90Ω
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
TACHOMETER
Note: If doing a LS engine swap, pick up the tach signal wire from the ECM/ECU and then set
the tach switch to 4-cylinders. You may also need to order the Intellitronix LS Engine Swap
Adapter Kit – for Series 1, 2 and 3 engines. The part number is 8014LS. If you are getting the tach
signal from the ECU, the resistor in the adapter kit will help pull a stronger signal for the
tachometer.
Tachometer – Green
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.
DP4003
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rev. (08/25/21)
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