92 SE Rear defroster & Door locks
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Joined: Aug 2005
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From: Michigan

92 SE
My defroster only seems to work when it wants. Most of the time it will work the first time you get in the car. If you want it to turn on again after it automatically turns off, it won't. If you wait a long time it will turn back on again later. Whats the problem here? Bad switch? It never used to do this.
Second, sometimes the door locks don't work. They wont work with the switch or the factory remote. They will magically start working later.
My defroster only seems to work when it wants. Most of the time it will work the first time you get in the car. If you want it to turn on again after it automatically turns off, it won't. If you wait a long time it will turn back on again later. Whats the problem here? Bad switch? It never used to do this.
Second, sometimes the door locks don't work. They wont work with the switch or the factory remote. They will magically start working later.
what i'm trying to get at is, are you sure that the defroster is working, and its not the interior heater or wind/water taking the frost off your rear window?
http://www.bonnevilleclub.com/forum/...rear+defroster
In your case it may be the ground buss by the front pillar under the door trim. I had a 93 where the door locks and the AC control would both quit for a period of minutes or until the next restart. I had decided it was the ground. Never took it out; my wife traded it for her new shiny one first. I never checked the rear defogger to see if it quit working at the time.
http://www.bonnevilleclub.com/forum/...rear+defroster
Originally Posted by imidazol
Originally Posted by ukie eagle
Interesting - I too, am having issues with the Rear Window Defroster/Power Lock circuit now that winter is upon us... :(
When I turn on the Defroster, after a couple minutes it shuts off [way before it used to, & way before the window is clear] and then won't allow me to turn it back on. After this happens, the Power Locks don't work.
If I wait a while, the Power Locks work again. :?
When I turn on the Defroster, after a couple minutes it shuts off [way before it used to, & way before the window is clear] and then won't allow me to turn it back on. After this happens, the Power Locks don't work.
If I wait a while, the Power Locks work again. :?
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