The Autometer Monster Tach is a popular aftermarket tachometer gauge used by many automotive enthusiasts. It is designed to accurately measure the engine RPM and display it in a clear and easy-to-read format. If you are planning to install an Autometer Monster Tach in your vehicle, it is important to have a good understanding of the wiring diagram to ensure a proper installation. In this article, we will provide a step-by-step guide on how to wire the Autometer Monster Tach.
Wiring the Autometer Monster Tach
Before we begin, it is important to note that the wiring diagram for the Autometer Monster Tach may vary depending on the specific model and year of your vehicle. Therefore, it is recommended to refer to the manufacturer’s instructions for the specific model that you have. Nevertheless, we will provide a general wiring diagram for the Autometer Monster Tach.
Step 1: Disconnect the negative battery cable
The first step before any electrical work is to disconnect the negative battery cable from the battery. This is to prevent any accidental electrical shock or damage to the electrical components of the vehicle.
Step 2: Locate the tachometer signal wire
The next step is to locate the tachometer signal wire. This wire can be found in different locations depending on the make and model of the vehicle. In most cases, the tachometer signal wire is located at the ignition coil. However, in some vehicles, it may be located at the distributor, alternator or ECU. Therefore, it is important to consult the vehicle’s service manual or wiring diagram to locate the wire.
Step 3: Connect the tachometer signal wire
Once you have located the tachometer signal wire, it is time to connect it to the Autometer Monster Tach. The tachometer signal wire is usually green or blue in color depending on the make and model of the vehicle. Connect the green or blue wire from the Autometer Monster Tach to the tachometer signal wire in the vehicle. Use a crimping tool to secure the wires together.
Step 4: Connect the power wires
The next step is to connect the power wires. The Autometer Monster Tach requires a constant 12V power supply and a ground. Connect the red wire from the Autometer Monster Tach to a constant 12V power source. This can be done by splicing the wire into the cigarette lighter or the fuse box. Connect the black wire from the Autometer Monster Tach to a good ground source. This can be done by attaching the wire to a metal part of the chassis or the engine block.
Step 5: Testing the Autometer Monster Tach
Once you have connected all the wires, it is time to test the Autometer Monster Tach. Reconnect the negative battery cable and start the vehicle. The Autometer Monster Tach should display the RPM reading accurately. If it does not work properly, double-check the wiring connections and consult the manufacturer’s instructions for troubleshooting.
FAQ
Q. How do I know which wire is the tachometer signal wire?
A. The tachometer signal wire is usually green or blue in color depending on the make and model of the vehicle. Consult the vehicle’s service manual or wiring diagram to locate the wire.
Q. Can I install the Autometer Monster Tach myself?
A. Yes, the Autometer Monster Tach can be installed by a DIY enthusiast. However, it is important to have a good understanding of the wiring diagram and follow the manufacturer’s instructions carefully.
Q. What should I do if the tachometer reading is not accurate?
A. Double-check the wiring connections and ensure that the tachometer signal wire is connected properly. Consult the manufacturer’s instructions for troubleshooting.
Q. Can the Autometer Monster Tach be used in any vehicle?
A. The Autometer Monster Tach can be used in most vehicles. However, it is important to consult the manufacturer’s instructions for the specific model and year of the vehicle.
Conclusion
Wiring the Autometer Monster Tach can be a simple and easy process if you have a good understanding of the wiring diagram and follow the manufacturer’s instructions carefully. By following the steps outlined in this article, you can install the Autometer Monster Tach and accurately measure the engine RPM of your vehicle. Always ensure that the tachometer is working properly before driving the vehicle.
