Farm tractors are not only commonly used during the spring and autumn seasons but also particularly prevalent during winter. It is during these chilly months that the reliance on tractors becomes even more pronounced. Imagine one fine morning, you insert the key into the ignition switch, only to find that the tractor refuses to start. In an instant, your entire project or plan could be jeopardized. If there is a problem with the farm tractor ignition switches, you’d better replace it in time. However, learn to replace the ignition switch yourself and you’ll save a ton of money. Luckily, this guide will teach you how to replace it.

farm tractor ignition switch

What is the ignition switch for?

The main function of the ignition switch is to connect the circuit that provides voltage to the starter motor, allowing the engine to run and eventually start. On older vehicles, the ignition switch is usually activated by turning the key. In newer modern vehicles, the vehicle’s computer controls the ignition switch, which enables “push-button” starting.


  • New ignition switch
  • Screwdriver
  • Wrench or wrench set
  • Isolate the switch or remove the negative cable connected to the battery

farm tractor

Steps to replace the ignition switch of a farm tractor

Step 1 # Disconnect power

Make sure the power to the tractor is completely off to prevent electric shock or damage to the vehicle’s electrical circuits. The battery relay may have a live power or ground circuit, you can use an isolation switch or remove the battery’s negative cable. Alternatively, wear insulating gloves and ensure power disconnection before disconnecting.

Step 2 # Take apart the console

The console houses many of the vehicle’s controls and instruments, and the ignition switch is often located within it. Therefore, access to the ignition switch may require the removal or movement of panels, covers, or other components on the console. The purpose of disassembling the console is to ensure that technicians can safely and efficiently replace the ignition switch and access other components without damage.

Step 3 # Find the location of the ignition switch

Use a wrench to loosen the screws on the side and remove the side cover. You should be able to access and reach the ignition switch position of your excavator more easily.

Step 4 # Remove the old switch

Using an appropriate tool, like a wrench or screwdriver, remove the screw or retaining nut that secures the ignition switch. Make sure to disassemble carefully without damaging surrounding wiring or components. If your tractor has a fabric made of fiberglass, it is advisable to wear a mask and gloves before opening the fabric to access the ignition.

Step 5 # Disconnect

After removing the original ignition switch, disconnect the wires connected to the switch. Be sure to remember where to connect each wire so that your new ignition switch will be installed correctly.

Step 6 # Install a new switch

Connect the new switch to the wires, making sure they are connected correctly. Then install the ignition switch to its original position and secure the screws or nuts.

Step 7 # Reconnect the negative battery cable

Make sure you properly install and tighten the ignition switch, then reconnect the tractor’s negative battery cable.

Step 8 # Test

After reconnecting the battery, test to make sure the new ignition switch is working properly. Insert the key and turn on the ignition. If you hear a click, the heater is working properly. Now you can wait for the machine to be used again.

FAQs of farm tractor ignition switches

Can farm tractor ignition switches be used interchangeably?

No, because they are designed for a specific tractor, so they cannot be used interchangeably.

Does a farm tractor ignition switch require maintenance?

Generally, keeping them clean and free of debris does not require any additional maintenance.

How long does it take to replace an ignition switch?

If you’ve got a new ignition switch, on average, the entire replacement process takes about an hour to an hour and a half, depending on the make and model of your device. Some vehicles may require the removal of additional panels or components to access the ignition switch, which may increase replacement time.

Where can I buy high-quality farm tractor ignition switches?

For ignition switches for excavators, farm tractors and more, you can trust FridayParts, we are your one-stop online shop for aftermarket parts for heavy equipment. If you need high-performance and compatible ignition parts, please feel free to contact us.