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Thread: Hey Javier, Bill R. and Ryan. I think the

  1. #1

    Default Hey Javier, Bill R. and Ryan. I think the

    electrical nightmare is finally over. It is my '91 535i. Symptoms- Collectively intermittant power windows,sunroof,locks. Wipers only work on high. Interior lights don't come on when doors open. They work when switch is in other postion only. All intermittant, but fail a lot more than they work. Changed the fuseable link and all fuses under rear seat, apply Stabilant 22a to the connections and reassemble. No change. Changed the Relay Module with a good donor. No Change. Disconnect neg cable on battery, pull both Relay and General Modules, the 2 orange relays, and the 1 gray relay. The orange and gray relays have a tarnished/burned brass appearance on the spade connectors. No sign of electrical arcing, just discolored and look kind of burned. I clean them like a shiny nickel. Next. Apply Stabilant 22a liberally to all module pins and their sockets as well as the 3 relays and their sockets using a modeling paint brush and reinstall. Next, unbolted the 2 ground straps that attach to the driveshaft tunnel, shine-up the eyelet connectors on the straps and all hardware, apply Stabilant and re-assemble.
    Reconnect the battery and so far, the past 8 hours of testing have been perfect. By now, it should have failed for sure. The next few days will tell the tale, but I think I'm done here. Javier and Bill R. , thanks again for the great suggestions that brought me to this point. Ryan, you have the same symptoms, so hope this fixes you, too.

    Keith in AZ.
    '91 535i 193,400
    '89 735il 243,500
    Keith in Scottsdale, AZ
    '91 535ia 220K Alpine/Parchment
    '89 735il 252K Cirrus/Parchment

    '00 740il 124K Oxford/Sand

  2. #2
    Join Date
    Dec 2003
    Location
    Wellington,New Zealand
    Posts
    3,868

    Default

    ryan when you do it try working backwards from the earth connections...
    Gone but not forgotten

  3. #3
    Join Date
    Oct 2004
    Posts
    3,395

    Default

    where'd you pick up Stabilant 22? I've been looking for that stuff for a while...

    Best, whit

  4. #4
    Join Date
    Jan 2004
    Posts
    1,342

    Default That's good news, you fought and won one of the ...

    must challenging battles in electrical maintenance, intermittent failures can become a nightmare.

    Hope it stays long, as I've heard miracles about Stabilant 22.

    Javier

  5. #5
    Join Date
    Jan 2004
    Posts
    4,150

    Default This is the best buy i've seen on it since Gordon evidently isn't

    selling it anymore. This bottle is the same size Gordon was selling and you cut it just as stated on the instructions since this is the raw material. The 99% isopropanol isn't that easy to find at drug stores but you can find it.
    The mixed up 30ml is enough to last most people a very long time
    Or you can buy it at napa ,checkers etc but its about the same price for half as much stabilant since they only sell the 22a version which is already cut, actually its more from them, from partsamerica its 59.99. This link is the best price i've seen it at here.








    Quote Originally Posted by lowell
    where'd you pick up Stabilant 22? I've been looking for that stuff for a while...

    Best, whit


  6. #6

    Default Found Stabilant 22A at the VW Dealer.

    Quote Originally Posted by lowell
    where'd you pick up Stabilant 22? I've been looking for that stuff for a while...

    Best, whit
    Part Number ZVW 186 001
    $40.00 for a 15ml bottle

    Keith in AZ.
    Keith in Scottsdale, AZ
    '91 535ia 220K Alpine/Parchment
    '89 735il 252K Cirrus/Parchment

    '00 740il 124K Oxford/Sand

  7. #7
    Join Date
    Jan 2004
    Location
    Benneton (United Colors of)
    Posts
    3,067

    Default

    good for you!

    i was gearing up to fight this battle today (i bought two $4 multimeters from harbor freight yesterday) but its raining too much out. one of my symptoms seems to be depending on the gm reset, either wipers in high only, or wipers on medium or high, no off. i was thinking it was maybe a dead relay. i cracked them all open to make sure there wasn't a fire hazard in any one of them. i did notice a number of them with a brown/copper corrosion on the terminals. i don't have any stabilant, but do have two cans of aerosol contact cleaner, so hopefully that will do. like i told you in the pm, i felt one of the relays down there getting much warmer than the others, hopefully this is just a matter of cleaning rather than replacement. just curious, what do you mean by driveshaft grounds? i've done a guibo before, disassembly down there and all, and i'm not sure of what you speak.
    "..Torchinski v. Peterson that it is legal to carry a concealed weapon, so long the weapon is totally slick like a huge ass machine gun that you carry under a trench coat, like in the Matrix."


  8. #8

    Default Hi Ryan- The post I made mentioned driveshaft

    'tunnel' ground mounts, these are under the rear seat and attach to the hump under the seat. Know what I mean?

    Just went to Ace Hardware and bought a set of modeling files to clean the sockets out. They are very fine grade, so I can carefully, safely clean out, then hit it with Radio Shack contact cleaner to rinse and further clean, then compressed air to dry (Making sure I have eye protection on at all times!). I know I am on the right track here as I had some success without first cleaning contacts. I will post my results later. In prayer for now....
    Keith in AZ.
    Keith in Scottsdale, AZ
    '91 535ia 220K Alpine/Parchment
    '89 735il 252K Cirrus/Parchment

    '00 740il 124K Oxford/Sand

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