How to Remove a Nissan Governor

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Speed freaks and tech tuners are better off removing the speed governor --- this will enable them to better explore the capabilities of their Nissan. Remember that various rules and guidelines in your state should be regarded during this procedure because the speed governor is a safety feature that will preserve the integrity of your engine and transmission. Too much engine speed might break or damage the transmission in automatic cars.


Removing the Nissan governor will depend on the make and model of your Nissan. It is best to consult the owner's or repair manual to determine the wirings and sensors that monitor the speed of the vehicle.

Things You'll Need

  • Jack
  • Jack stands
  • Electrical tape
  • Console switch (optional)
  • Park the car in a level and well-lit area. Place the gear in neutral and activate the parking or service brake. Use the jack to raise the front of the vehicle and gain easy access to the transmission located underneath. Refer to the owner's manual to follow the proper jacking points in your car.

    You may have to remove the front tires to create additional work space. Loosen the tire nuts first before lifting the vehicle. Place the vehicle on jack stands.

  • Take a look at the electrical connections on your transmission. There are approximately four sensor connections. You need to remove the fourth and fifth gear sensors to disable the speed governor. The fourth and fifth gear sensors are usually located on the middle of the four connections in between the first and fourth wire connection. Removing the fourth and fifth gear sensors will enable your vehicle to run faster with no prohibitions from the engine ECU.

    The connections have wire sockets that you can simply press and pull to remove. The snap and lock feature of the sockets will eliminate the need for wire splicing. Consult the repair manual for the proper location of the speed sensors on your Nissan car.

    It is best to wrap the sockets and disconnected sensors with electrical tape to protect it from excess dust and moisture.

  • Disconnect the control wire that runs from the transmission to the starter on the passenger side of the engine bay. This is a simple electrical connection with a small gauge wire that transmits the vehicle speed to the ECU. Removing this electrical connection will disable the speedometer and odometer. The computer is designed to govern your speed when it reaches past 115 miles per hour but it will not cut off the fuel supply when the speed barrier is reached.

    It is best to install and wire a rocker switch into the connection of the speedometer. Place the switch on a spare space on the dashboard or console.

Tips & Warnings

  • Refer to the repair manual of your Nissan to determine the specific engine and transmission sensors located on the engine bay.
  • The procedure will vary according to the make and model of your Nissan car. Always follow the exact procedures as stated on the repair manual.

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References

  • Photo Credit Jupiterimages/Photos.com/Getty Images
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