I hate to sound like a "did it all", but I did the Klima testing after the module didnt fix it, (resoldered the original before that). The speed sensor was the only failure so I replaced that, then relaced the Klima and it finally worked, when it wants to. I guess I will throw a belt tensioner shock at it next, as I cannot adjust the tension more. I have been tempted to bypass the relay, and the toggle switch sounds workable too, but they are both cheating, I want it to work as Mother Benz intended.Then, I will pull the dash and change out all the vacuum servos.
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