# Where is the speed sensor?

**URL:** <https://community.cartalk.com/t/where-is-the-speed-sensor/156513>\
**Category:** Maintenance/Repairs\
**Created:** [January 14, 2020, 5:16pm UTC](https://community.cartalk.com/t/where-is-the-speed-sensor/156513 "2020-01-14T17:16:40Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![Chaos01126\_161111](https://avatars.discourse-cdn.com/v4/letter/c/d9b06d/32.png) [@Chaos01126\_161111](https://community.cartalk.com/u/Chaos01126_161111)\
**Post date:** [January 14, 2020, 5:16pm UTC](https://community.cartalk.com/t/where-is-the-speed-sensor/156513/1 "2020-01-14T17:16:40Z")

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Trying to replace the output speed sensor on my 2002 Ford focus se zetec automatic transmission. But can’t seem to find where it is.

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**Author:** ![tcmichnorth](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/tcmichnorth/32/25126_2.png) [@tcmichnorth](https://community.cartalk.com/u/tcmichnorth)\
**Post date:** [January 14, 2020, 6:37pm UTC](https://community.cartalk.com/t/where-is-the-speed-sensor/156513/2 "2020-01-14T18:37:25Z")

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60 seconds on Google  
 ![261618_Noname_43](https://global.discourse-cdn.com/cartalk/original/3X/e/6/e629bae349e2e45773520664a82ec901b180ab66.jpeg)

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**Author:** ![Chaos01126\_161111](https://avatars.discourse-cdn.com/v4/letter/c/d9b06d/32.png) [@Chaos01126\_161111](https://community.cartalk.com/u/Chaos01126_161111)\
**Post date:** [January 14, 2020, 6:41pm UTC](https://community.cartalk.com/t/where-is-the-speed-sensor/156513/3 "2020-01-14T18:41:31Z")

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My understanding is that diagram is for the manual transmission. Because I looked underneath the car in that exact area and could not find it.

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**Author:** ![Tester](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/tester/32/15976_2.png) [@Tester](https://community.cartalk.com/u/Tester)\
**Post date:** [January 14, 2020, 8:53pm UTC](https://community.cartalk.com/t/where-is-the-speed-sensor/156513/4 "2020-01-14T20:53:14Z")

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![](https://global.discourse-cdn.com/cartalk/original/3X/5/2/52f7dbb0a685e17cea63a6dfa7a15e586c9737f6.gif)

Tester

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**Author:** ![George\_San\_Jose1](https://avatars.discourse-cdn.com/v4/letter/g/e5b9ba/32.png) [@George\_San\_Jose1](https://community.cartalk.com/u/George_San_Jose1)\
**Post date:** [January 15, 2020, 4:25am UTC](https://community.cartalk.com/t/where-is-the-speed-sensor/156513/5 "2020-01-15T04:25:05Z")

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“Output speed sensor” is a little ambiguous. What’s the speed sensor used for? Measuring the crankshaft rpm? The turbo rpm? The transmission output shaft rpm?