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Old 05-08-2012, 05:26 PM
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Join Date: Feb 2012
Posts: 97
126 380SE A/C temp and pressure switches at drier bottle, which wires go where?

I have just finished drawing a vacuum on the new system in my 85 380SE. Its Holding a vacuum fine. Just realized that I dont know which wires go to the pressure switch and which wires go to the temp switch on the drier bottle.

Looks like the short leads with male spade connectors coming off the red temp switch at the top of the drier might go to the straight white nylon female spade connectors ,...also on wires going into the wiring harness...

and, that the black covered 90 degree angled female spade connectors might go on the male spade connectors on the green pressure switch.

Can anyone confirm this for me?

Brian in Austin

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Old 05-10-2012, 12:33 AM
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Join Date: Jul 2007
Location: Medford, OR
Posts: 1,488
I am not familiar with the color coding of your car, but the wires from the aux fan (relay) should go to the temp switch and the wires from the compressor and control head inside the car should go to the pressure switch.


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