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-   -   Speed Sensor Unit 89 Carrera Question (http://forums.pelicanparts.com/porsche-911-technical-forum/1101505-speed-sensor-unit-89-carrera-question.html)

jp86/911t 09-03-2021 10:36 AM

Speed Sensor Unit 89 Carrera Question
 
I'm trying to troubleshoot speedometer issue. My speedometer/odometer does not work. After reading several similar posts, I decided to replace the speed sensor at the transaxle. I ordered the part from Pelican, but it doesn't look like the unit in the car, Am I looking in the correct place? (see pictures)http://forums.pelicanparts.com/uploa...1630693852.JPG
http://forums.pelicanparts.com/uploa...1630693852.JPG
Right (passenger) side of transaxle. I could barely get camera in area to take photo. Car is on jack stands.

jp86/911t 09-03-2021 11:03 AM

Maybe I'm looking at the back up light switch. If so, where's the speed impulse sensor?

boyt911sc 09-03-2021 01:05 PM

Sensor/s location.......
 
Remove the left rear tire and you will find the reference and speed sensors by the transmission bell housing. Follow the two (2) black cables to the sensors.

Tony

jp86/911t 09-03-2021 03:03 PM

Thank you. Will do first thing tomorrow morning. :)

john walker's workshop 09-03-2021 06:24 PM

The speedo sensor plugs into the left side of the trans to the front of the drive flange. That works the speedo, if the speedo works. Follow the wire.


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