• Welcome to SVTPerformance!
ATTENTION!
You may experience intermittent issues while accessing the site over the next 60-90 minutes, as we perform maintenance and upgrades.

How to test your OSS (Output Shaft Sensor)

Discussion in 'How-To' started by mwolson, Feb 15, 2017.

  1. mwolson

    mwolson Gray beard Established Member

    Messages:
    3,373
    Joined:
    Mar 28, 2004
    Location:
    San Jose, CA
    99-04 Mustangs use a reluctor-style OSS (Output Shaft Sensor) to tell the vehicle speed. You can test your OSS with a piece of iron or steel (not stainless) and an AC voltmeter.

    Connect the pins of your OSS to the AC voltmeter. Rapidly shale the OSS over the metal as fast and as close as you can and you should see 1/3 to 1/2 of a volt on the AC voltmeter:

     

Share This Page