Date: Thu, 20 Dec 2001 21:43:40 -0500
From: "Kenneth S." <nimrodnopsams.com>
Subject: Re: Classic 900, faulty rear screen de-mister


KeithG wrote: > > yes... you can get a new rear window with a working rear defogger. I do not > have any idea how much it costs to have a new one fitted, though. You may > also want to repair the existing screen. There is repair conductive paint > that can be used to bridge the cut lines in the screen. Never used it, but > it should be fine as long as you can see where it has been cut. > > KeithG > "Matthew Crump" <mailboxnopsamhewcrump.freeserve.co.uk> wrote in message > news:9vt90s$uqc$1nopsamg4.svr.pol.co.uk... > > Hello, > > > > I live in the UK and own a 1993 classic 900SE. > > > > The rear screen de-mister has gradually got worse to the point where only > a > > few bars of the de-mister are now working anything like effectively. > > > > Before I go for a new back windscreen/de-mister (at a cost of about 360) > > are there any other options I could consider ? > > > > For example, a repair to the de-mister or a used rear windscreen with a > > working de-mister ? > > > > Thanks in advance. > > Matthew. > > I have used this conductive paint product (although not on my Saab) and it works very well. What you do is buy a circuit tester (doesn't cost much). It has a battery in it, and will send a current over the lines in the back window. If the current goes through, the light on the top of the tester lights up. You systematically check out the lines on the inside of the rear window, and find the breaks in conductivity. Then you take your little bottle of conductive paint, and the accompanying stencil-type piece of cardboard, and paint over the breaks in the lines. Total cost, less than $10. The most difficult thing is making a neat and inconspicuous connection over the breaks in the wires. If you scrape off too much of the conductive paint, you break the connection again. To prevent the problem recurring, you need to be careful when cleaning the inside of the rear window.

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