Contact Corrosion - Saab 900 Bulletin Board - Saabnet.com
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Contact Corrosion
Posted by Dr. Unimog [Email] (more from Dr. Unimog) on Mon, 26 Nov 2001 22:25:11
In Reply to: Re: no brake lights??>, Rob 85 Turbo, Sun, 25 Nov 2001 19:20:35
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My '93 900S had the problem a few times, and I finally figured. If yours is same as mine, all rear lamps are gone, except high-mount brake lamp. The problem is metal corrosion due to overcurrent on one of the contact on driver side unit in the trunk. I decided it's overcurrent because this particular contact is loaded with current for left brake lamp AND right brake lamp. To temporarily fix, you can clean with Electrician's spray (Radio Shack stuff) but the problem comes back.
I finally bye-passed the second wire going to the right side so that only half of the current goes to the contact. The unit is Bosch and a mechanic told me he saw many of this kind of the problem in German cars. Since I made this modification, the problem has not returned for several years.
posted by 64.108.1...
My SAAB
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