To Next PageTo Next PageWhy Dakota Digital VHX-78C-MC turn signal and high beam indicators do not light up?
If the internal turn signal and high beam indicators on your Dakota Digital Measuring Instruments do not light up, check the wires connected to the HIGH, LEFT, and RIGHT terminals on the control box.
How to troubleshoot Dakota Digital VHX-78C-MC function switches?
If the Function switches on your Dakota Digital Measuring Instruments do not operate properly, momentary push-button or toggle switches must be connected to the SW1 and SW2 terminals as described in the manual. The switch terminal connected to the control box should normally be open. When the switch is activated, the terminal should make contact to ground.
Why Dakota Digital VHX-78C-MC display system starts up in demonstration mode?
Disconnect or replace the SW2 switch.
Why Dakota Digital VHX-78C-MC clock doesn’t keep time?
If the clock on your Dakota Digital Measuring Instruments doesn’t keep time, ensure Constant Power terminal has 12v even when key is off.
General| Brand | Dakota Digital |
|---|---|
| Product Name | VHX-78C-MC |
| Category | Measuring Instruments |
| Series | VHX |
| Display Type | Digital |
| Voltage | 12V |
| Fuel Level Sensor Type | Ohm |
| Operating Temperature | -40°F to 185°F |
Lists all items included in the VHX-78C-MC kit.
Instructions to remove bezel screws for installation.
Instructions for removing the blackout plate, lens, and factory gauges.
Details on preparing the housing and mounting the new display.
Completing the physical installation and reattaching the bezel.
Reminder about the odometer preset option timing.
Overview of LCD displays, mileage, performance, indicators, and special outputs.
Guidelines for cleaning the VHX system components.
Instructions and considerations for mounting the control box.
Explains the wiring connections for the VHX system.
Explanation of the status LED and the importance of proper grounding.
Details on connecting the constant power terminal.
Instructions for connecting the accessory power terminal.
Guidance on connecting the tachometer signal wire.
Instructions for connecting the speed sensor positive and signal wires.
Instructions for connecting the speed sensor ground wire.
Description of speed output and switch inputs (SW1, SW2).
Details on connecting the water temperature sender.
Details on connecting the oil pressure sender.
Instructions for connecting the fuel level sender.
Notes on AUX I/O and display cable connections.
Describes connections for various indicator inputs.
Instructions for connecting brake, check engine, and dimmer signals.
Notes on AUX I/O and display cable connections.
Overview of the SPEED and TACH setup options.
Overview of VOLT, WATER, OIL, and FUEL setup options.
How to select the speed sensor input type.
Step-by-step guide for automatic speedometer calibration.
Method for calibrating the speedometer manually.
Setup for service reminders and speed signal output.
Configuring engine cylinders and display update rate.
Setting RPM warning points and tach signal type.
Configuring low voltage warnings.
Selecting units and sensor type for water temperature.
Setting temperature warnings and using the test mode.
Configuring oil pressure warnings and using the test mode.
Choosing from pre-programmed or custom fuel sender types.
Calibrating a custom fuel sender.
Testing the fuel sensor and exiting setup.
Setting backlight levels for different driving conditions.
Configuring indicator display locations.
Selecting which LCD displays show readings.
Accessing system information like software version.
Setting the odometer to match the vehicle's current mileage.
List of messages for the speedometer display.
List of messages for the tachometer display.
Solutions for systems not turning on or LED status problems.
Solutions for incorrect or missing speed/tach readings.
Solutions for fuel, oil, water, gear, and indicator problems.
Technical specifications for power, inputs, and outputs.
Guidelines for returning units for service or repair.
Details of the product warranty.
