88 K 1500 a/c compressor

Discussion in 'Chevy C/K Truck Forum' started by wlsmith, Apr 10, 2014.

  1. wlsmith

    wlsmith New Member

    My a/c compressor needs replacing. My problem is locating the correct one. The old compressor has your normal two wire plug at the top for the clutch, but also has a one wire connector at the rear of the compressor. Does anyone know what this wire is for. All the new compressors I have looked at does not have this connector. HELP!!
  2. silverado002

    silverado002 Rockstar 3 Years 1000 Posts

    Probably the high pressure switch in the compressor. Not 100% sure though.
  3. wlsmith

    wlsmith New Member

    Yes it is the high pressure switch. I done some more research on it today. Thanks for yor help.

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