Thread: 1998 SL500 R129 Climate Control No A/C
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Old 06-19-2019, 02:59 AM
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dproudfo dproudfo is offline
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Join Date: Jul 2006
Location: Saint Paul, Minnesota
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Doing some research and found this:

The cabin temp. sensor is located in the upper control panel along with the switches for the dome light. There is also a wire hooked into that circuit that goes to the power top computer in the trunk. It turns off the AC when you have the top down.

Is this true in the R129 and something to look into? I wouldn't consider this system registering 'faults' in the computer if that was part of the design?
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