How To Fix A Broken Speedometer

To fix a broken speedometer, start by checking the speed sensor and cables for any damage or loose connections. If everything looks good, consider replacing the speed sensor or the entire instrument cluster if necessary.   A malfunctioning speedometer can be a frustrating problem for any driver. When faced with this issue, it is important to troubleshoot and fix it promptly to ensure accurate speed readings while driving. This article aims to provide valuable insights and step-by-step instructions on how to fix a broken speedometer.   By following these simple guidelines, you will be able to resolve the issue and get back on the road with confidence.    

Reasons For A Broken Speedometer

  Fixing a broken speedometer can be done by diagnosing the reasons behind it. Potential causes include a faulty speed sensor, a broken cable, or a malfunctioning gauge cluster. Identifying the issue and consulting a professional can help resolve the problem efficiently.   A malfunctioning speedometer can be quite frustrating, as it hampers your ability to accurately gauge your speed while driving. Several factors can contribute to a broken speedometer. Here are some common causes that you should be aware of:  

Loose Or Damaged Speed Sensor Cable:

  • A loose or damaged speed sensor cable is one of the primary culprits behind a broken speedometer. This cable connects the speed sensor to the speedometer cluster, allowing for the transmission of information regarding the vehicle’s speed.
  • The speed sensor cable may become loose or damaged due to wear and tear or improper installation. This can result in inaccurate speed readings or a completely non-functional speedometer.

Faulty Speed Sensor:

  • The speed sensor is a crucial component that measures the rotational speed of the vehicle’s wheels. It sends this information to the speedometer, enabling it to display the corresponding speed.
  • A faulty speed sensor can lead to erratic speedometer readings or a complete failure of the speedometer. This can occur due to wiring issues, sensor damage, or sensor malfunction.

Defective Speedometer Cluster:

  • The speedometer cluster, also known as the instrument cluster, is responsible for displaying various gauges and indicators, including the speedometer. If there is a problem with the speedometer cluster, it can lead to a broken speedometer.
  • Common issues with the speedometer cluster include faulty wiring, circuit board problems, or gauge stepper motor failure. These issues can cause the speedometer to display incorrect speed readings or stop functioning altogether.
  Understanding the reasons behind a broken speedometer is crucial in determining the appropriate steps to fix it. Whether it’s a loose speed sensor cable, a faulty speed sensor, or a defective speedometer cluster, knowing the cause will help you address the issue efficiently.  

Troubleshooting A Broken Speedometer

  Having trouble with your speedometer? Learn how to fix it with these easy troubleshooting tips. Discover common issues and step-by-step solutions to get your speedometer back on track.   If you’re experiencing issues with your speedometer, there are a few troubleshooting steps you can take to identify and potentially fix the problem. Before heading to the mechanic, try these simple yet effective methods:  

Checking The Speedometer Fuse

  • Start by locating the fuse box in your vehicle. It is usually located under the dashboard or in the engine compartment. Refer to your vehicle’s manual for specific instructions.
  • Once you have found the fuse box, use the fuse diagram on the box’s cover or in the manual to identify the speedometer fuse.
  • Carefully remove the speedometer fuse using a fuse puller or a pair of needle-nose pliers. Inspect the fuse to see if it is blown. A blown fuse will have a broken wire inside or a visibly damaged appearance.
  • If the speedometer fuse is blown, replace it with a new fuse of the same rating. Make sure the new fuse is appropriate for your vehicle model.
  • After replacing the fuse, start your vehicle and check if the speedometer is functioning correctly. If it is, then the issue was likely due to a blown fuse. If not, continue troubleshooting.

Testing The Speed Sensor

  • Locate the speed sensor in your vehicle. It is typically located on the transmission or wheel hub, depending on the car’s make and model. Once again, consult your vehicle’s manual for precise information.
  • Inspect the speed sensor for any visible damage or loose connections. In some cases, a loose or damaged sensor can cause issues with the speedometer.
  • Disconnect the speed sensor and use a multimeter to test its functionality. Set the multimeter to the ohm setting and touch the sensor’s terminals with the multimeter’s probes.
  • If the multimeter displays a reading of zero or infinite resistance, it indicates a faulty speed sensor that needs replacing. Consult a mechanic for the appropriate replacement part.

Inspecting The Speedometer Cluster

  • Start by removing the dashboard surrounding the speedometer cluster. Refer to your vehicle’s manual for specific instructions on how to remove the dashboard panels without causing any damage.
  • Once you have access to the speedometer cluster, visually inspect it for loose connections, damaged wires, or any signs of malfunction.
  • Check the wiring harness connected to the speedometer cluster for any loose or disconnected connections. Ensure all the wires are securely connected.
  • If there are no visible signs of damage or loose connections, it’s possible that the speedometer cluster itself is faulty. In such cases, it may be necessary to replace the entire cluster or seek professional assistance for repair.
  By following these troubleshooting steps, you can potentially identify and resolve issues with a broken speedometer. However, if the problem persists, it’s recommended to consult a qualified mechanic for further diagnosis and repair.  

Repairing A Broken Speedometer

  Learn how to fix a broken speedometer with these simple steps. Troubleshoot the issue, replace the faulty speed sensor, and recalibrate the instrument cluster to restore accurate speed readings. Get back on track in no time.   Is your speedometer acting up and causing you frustration on the road? Don’t worry, you can fix it! In this section, we’ll explore the steps you can take to repair a broken speedometer. Whether it’s replacing the speed sensor cable, installing a new speed sensor, or repairing or replacing the speedometer cluster, we’ve got you covered.   Let’s dive in!  

Replacing The Speed Sensor Cable:

  • Start by locating the speed sensor cable, which is typically connected to the transmission or the wheel hub.
  • Remove any covers or brackets that may be obstructing access to the cable.
  • Carefully disconnect the cable from its connector, making sure to note its original position.
  • Using a wrench or pliers, loosen and remove any mounting bolts or clips holding the cable in place.
  • Gently pull out the old cable, ensuring not to damage it or any surrounding components.
  • Take the new speed sensor cable and thread it through the same path as the old one.
  • Securely attach the new cable using the mounting bolts or clips, tightening them appropriately.
  • Reconnect the cable to its connector, aligning it as per the previous position.
  • If necessary, reattach any covers or brackets that were removed earlier.
  • Finally, test the speedometer to ensure that the new cable is functioning correctly.

Installing A New Speed Sensor:

  • Begin by locating the speed sensor, which can be found on the transmission or the wheel hub.
  • Disconnect the electrical connector attached to the old speed sensor.
  • Use a wrench or socket set to remove the mounting bolts or clips securing the sensor in place.
  • Carefully remove the old speed sensor, taking note of its orientation.
  • Take the new speed sensor and insert it into the same position as the old one.
  • Securely fasten the sensor using the mounting bolts or clips, ensuring it is tight but not over-tightened.
  • Reconnect the electrical connector to the new speed sensor.
  • Double-check that the sensor is properly aligned and seated.
  • If necessary, reattach any covers or brackets that were previously removed.
  • Test the speedometer to verify that the new speed sensor is working correctly.

Repairing Or Replacing The Speedometer Cluster:

  • Begin by removing the dashboard panel or bezel that houses the speedometer cluster.
  • Locate the speedometer cluster, which is usually held in place by screws or clips.
  • Carefully remove the screws or unclip the cluster from its position.
  • Once the cluster is free, disconnect the electrical connectors attached to it.
  • Inspect the cluster for any loose or damaged wiring.
  • If there are no visible issues, try cleaning the electrical connectors with a contact cleaner spray.
  • If cleaning doesn’t resolve the problem, consider replacing the cluster with a new or refurbished one.
  • Reconnect the electrical connectors and secure the cluster back into its original position.
  • Reattach the dashboard panel or bezel, ensuring it is properly aligned and secured.
  • Test the speedometer to confirm that the repairs or replacement have resolved the issue.
  That’s it! By following these steps, you’ll be well on your way to successfully repairing a broken speedometer. Don’t let a malfunctioning speedometer slow you down on the road. Get it back in working order and enjoy smooth and accurate speed readings as you drive.   Safe travels!  

Frequently Asked Questions On How To Fix A Broken Speedometer


How Do I Know If My Speedometer Is Broken?

  If your speedometer is not showing any speed or if the needle is consistently stuck at zero, it is likely that your speedometer is broken. You can also check for other signs like erratic movement or incorrect readings on the speedometer.  

Can A Broken Speedometer Affect Other Parts Of The Car?

  Yes, a broken speedometer can affect other parts of the car. Since the speedometer is part of the overall electrical system, a malfunctioning speedometer can cause issues with the transmission and fuel efficiency. It is important to fix a broken speedometer to prevent further damage to your car.  

How Can I Fix A Broken Speedometer?

  To fix a broken speedometer, you can try resetting it by disconnecting the battery for a few minutes and then reconnecting it. If that doesn’t work, you may need to replace the speed sensor or get the instrument panel repaired.   It is recommended to consult a professional mechanic for accurate diagnosis and repair.  


  Fixing a broken speedometer can seem like a daunting task, but with the right approach, it can be easily resolved. Start by identifying the underlying cause of the issue, such as a faulty speed sensor or a blown fuse. Once the problem is identified, try the troubleshooting tips mentioned in this blog post, such as checking the wiring connections or recalibrating the speedometer.   If these steps don’t work, it may be necessary to seek professional assistance or replace the entire speedometer. Regular maintenance and care can help prevent speedometer issues in the future. Remember to periodically inspect your speedometer and address any problems promptly to ensure accurate readings and a smooth driving experience.   By following these steps, you can get your speedometer back on track and stay informed about your vehicle’s speed. So don’t let a broken speedometer slow you down—get it fixed and hit the road with confidence.

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