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Diagnose AC high pressure switch 900 1993

Hello,

Any suggestions how to diagnose the high pressure switch in the AC system?
Not the emergency cut-out switch in the condensor, but the one that should start the cooling fan in high speed.
The low speed switch seems to work OK but I am not sure the fan ever runs in high speed.

Mila






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New Diagnose AC high pressure switch [900][1993]
posted by  mila  on Tue Aug 4 02:35 CST 2020 >


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