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  1. #21
    Sam Carlson
    Tutorial Bot euromobile900's Avatar
    Join Date
    14 Aug 2010
    Location
    Medford, MA
    Posts
    683
    Saab(s)
    '90 900 LPT with a flat-nose conversion
    Thumbs Up:   2
    I just redid the ground wire in 4-gage cable, soldered both ends, and I replaced the regulator/brush assembly three years ago! The slip rings were not noticeably grooved then. It occurs to me that the regulator (not genuine Bosch) could be causing these problems, but I don't really know.

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  2. #22
    Saab Nut
    Join Date
    06 Mar 2011
    Location
    Westport, Pennsylvania, United States
    Posts
    410
    Saab(s)
    93 9000 CSE, 85 900T
    Thumbs Up:   1
    How about the ground point below the turbo? I removed my 85's harness and found a lot of the lugs there corroded

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    Last edited by jskrebs; 23 November 2011 at 17:45. Reason: spelling

  3. #23
    Sam Carlson
    Tutorial Bot euromobile900's Avatar
    Join Date
    14 Aug 2010
    Location
    Medford, MA
    Posts
    683
    Saab(s)
    '90 900 LPT with a flat-nose conversion
    Thumbs Up:   2
    Quote Originally Posted by jskrebs View Post
    How about the ground point below the turbo? I removed my 85's harness and found a lot of the lugs there corroded
    I actually know those are fine too, unless the cable is bad (corroded inside or something? It seems to be in good condition). I have had those lugs off of the gearbox primary drive cover within the past year, when I was changing the primary drive top bearing. I originally suspected those, because it seemed like the flicker came about at about that time, perhaps indicating that my repair had put something amiss. When I checked them out, though, they were fine. At this point, the only thing I haven't touched is the alternator body/diode/coil assembly itself!

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  4. #24
    Saab Nut
    Join Date
    06 Mar 2011
    Location
    Westport, Pennsylvania, United States
    Posts
    410
    Saab(s)
    93 9000 CSE, 85 900T
    Thumbs Up:   1
    I was thinking of the ground point on the chassis where all the lights and other items ground to the chassis. There are about 10 lugs stacked up there.

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  5. #25
    Saab Enthusiast
    Join Date
    10 Nov 2010
    Location
    CT
    Posts
    50
    Saab(s)
    05 9⁵ AERO, 05 9⁵ AERO Combi
    Thumbs Up:   0
    I have a VERY similar issue to your car with all my lights dimming etc. I just put a new battery in thinking that may be the issue since it was about 5 years old anyway. Problem did not change. Now I am thinking I have an alternator issue as well. Only difference is my car is a 2005 9-5 aero with 50k miles. From what I have read, an alternator change does not sound like a fun job on these cars.

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