Jump to content

Recommended Posts

hi..anyone out there know the voltage values on the speed sensor...having issues...have 2.0 volts at key on   but does not increase when u driving.......checked all wireing...baffled...need help...just replaces sensor and speedo head....

Share this post


Link to post
Share on other sites

The speedo sensor has an ohm value, the circuit does not have voltage other than what the sensor itself creates when the truck moves. Depending on type of sensor, the ohms should be approx 100-200 ohms, typically around 150-170 ohms measured either from the sensor itself or from the VECU. 

  • Like 1

Share this post


Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now

Welcome to BMT!

...The world's best antique, classic & modern Mack Truck support forum! Founded in 2000, BigMackTrucks.com is the place to go for everything related to Mack Trucks!

BMT!

BigMackTrucks.com is owned and operated by Watt's Truck Center, New Alexandria, PA. This forum and it's contents are not affiliated with Mack Trucks, Inc. or Volvo Trucks North America.

×