# Rear window defogger

**URL:** <https://community.cartalk.com/t/rear-window-defogger/6883>\
**Category:** Maintenance/Repairs\
**Created:** [November 5, 2007, 6:00pm UTC](https://community.cartalk.com/t/rear-window-defogger/6883 "2007-11-05T18:00:21Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![DamonPiatek](https://avatars.discourse-cdn.com/v4/letter/d/bb73d2/32.png) [@DamonPiatek](https://community.cartalk.com/u/DamonPiatek)\
**Post date:** [November 5, 2007, 6:00pm UTC](https://community.cartalk.com/t/rear-window-defogger/6883/1 "2007-11-05T18:00:21Z")

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I have a 2000 ols alero and the rear window defogger stopped working. I checked the relay and all the fuses and none of the lines on the window are brokern. I don’t know what else the problem could be. Any help Please

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**Author:** ![Roadrunner](https://avatars.discourse-cdn.com/v4/letter/r/d2c977/32.png) [@Roadrunner](https://community.cartalk.com/u/Roadrunner)\
**Post date:** [November 6, 2007, 5:02am UTC](https://community.cartalk.com/t/rear-window-defogger/6883/2 "2007-11-06T05:02:15Z")

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The electrical connector what joins the rear window defroster and the power wire from the front my be corroded.  
A wiring diagram would be helpful.  
You are certain the grid is complete? There is a test/repair kit for these defrosters.

If this Alero has the heated mirrors, check that the heater works in them as well as the rear window as they work off the same switch.

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**Author:** ![MikeInNH](https://avatars.discourse-cdn.com/v4/letter/m/a587f6/32.png) [@MikeInNH](https://community.cartalk.com/u/MikeInNH)\
**Post date:** [November 6, 2007, 3:24pm UTC](https://community.cartalk.com/t/rear-window-defogger/6883/3 "2007-11-06T15:24:47Z")

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Can you get test leads onto the wire to see if there actualy is voltage going thruogh the wire.