Still moving on with this project I found -0- volts at terminal #4 of the Klima socket with the engine at idle and appropriate switches set. According to the SB link, voltage should be battery until full throttle. If I am heading in the correct direction, this may indicate that the full-throttle micro-switch is closed all of the time. If it is in fact bad, would this explain why the Ice Cube relay replacement for the Klima isn't working for me? Is there anything short of replacing the micro-switch I can do?

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Steve
'87 300TD - 132K - Soon 4-Sale
'84 300D Turbo - 122K - Driving
'77 VW Type II - 77K - Restored
'08 250EX Ninja
English Bulldog (Brier) - My best friend. Passed away 12/02/04 while in my arms.