PeachParts Mercedes-Benz Forum - Help with 87 300d A/C system

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Performance Plu

07-25-2007 12:41 AM

Help with 87 300d A/C system

My compressor clutch will not engage there is 45 pounds of pressure in the system would you please help me diagnose step by step for trouble shooting. I took the two wires off of the green pressure switch by the sight glass and connected them together but nothing. I tried all combinations on the control switch board but nothing. Any help would be greatly appreciated.

rrgrassi

07-25-2007 10:43 AM

Any fuses blown? Did you check for voltage at the connections? How is the KLIMA relay?

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