# What is the Best Aftermarket Backup Sensor

**URL:** <https://community.cartalk.com/t/what-is-the-best-aftermarket-backup-sensor/37968>\
**Category:** Maintenance/Repairs\
**Tags:** hybrid-repair, sensors, toyota, highlander\
**Created:** [October 12, 2009, 1:09am UTC](https://community.cartalk.com/t/what-is-the-best-aftermarket-backup-sensor/37968 "2009-10-12T01:09:55Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![herbolaryo](https://avatars.discourse-cdn.com/v4/letter/h/e19adc/32.png) [@herbolaryo](https://community.cartalk.com/u/herbolaryo)\
**Post date:** [October 12, 2009, 1:09am UTC](https://community.cartalk.com/t/what-is-the-best-aftermarket-backup-sensor/37968/1 "2009-10-12T01:09:55Z")

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There are several back-up sensors I see in the web. Most are the ultrasonic type where you drill holes in the bumper. There are also electromagnetic type which you just attach underneath the bumper…  
  
  
  
 Which After Market Back-up Sensor is the Best?  
  
  
  
  
  
  
  
 Kindly share your experience, expertise…