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| Classic Saab 900 Workshop Classic Saab 900 (1979-1994) Technical Forum. |
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#1
14-12-08
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Rear window heater packed up....
The rear window heater on my 91 lpt isn't working...
I checked the fuse, and it's ok, so could it be the relay? And if so... which one is it? As the manual isn't clear... Thanks as always.... 
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#2
15-12-08
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Does the Dash Indicator light up?
The Relay is in the Fuse/Relay box.
__________________
Corporations are people! If you prick them, do they not bleed? If you tickle them, do they not laugh? If you poison them, do they not die?
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#3
15-12-08
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Yes the light does illuminate...
I know where the relays are located, I'm just not sure which one applies....
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#5
15-12-08
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Yep...checked that today...
All was well until last week, it just 'stopped' working!
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#6
15-12-08
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Must be the season - mine packed up two days ago as well!
The light illuminates, the window has 12v in MOST places (where it doesn't, there is no continuity but I'd expect that on old glass!) but nothing doing... I fitted my rear window louvre today anyway, so it's not a major issue but would like to fix it still!
__________________
1997 Saab 900 SE - Black
Slightly tweaked  1989 Saab 900i 16v Auto - Red Standard as the day it was born - my Sunday car!
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#7
16-12-08
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Soooo?
No answers?
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#8
16-12-08
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Well only half of mine work. in reality its just a big stretched out circuit board. If you lose connection in one spot then it gets all munged up. A wire could have shorted some where possibly and the relay int he fust box could be faulty thats where i would start. I heard the best way to chase electrical gremlins away is to dress up like barbra streissend sing rocket man by elton jon and prey to the saab gods :-)
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#9
17-12-08
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Great....
I'll try that!!!! 
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#10
21-12-08
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New info on how to fix the rear window defroster. Mine had stop working as well. I checked all the wires and such all good. I went and took a look at the back window and there are 2 spots that connect to the defroster part. One on the right and one on the left. If you take a close look you can see if it has become all gunked up with corrosion. I cleaned that stuff off and it started to work again but only the top half. I took a closer look at the little lines that run through the window. Part of it had been scratched or dug off. Making the circuit in complete. I went to the electronics store radio shack and bought this conductive silver glue type of stuff and filled in the part that had been scratched and wammo bammo all of the defroster works. Try that before you dress up and sing rocket man
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