4 Seasons HVAC Cut-Off Switch For 1999-2002 GMC Sierra 1500

Part Type: HVAC Cut-Off Switch. Switch, Pressure Switch. 1999 GMC Sierra 1500 Use only if SW is mounted at Compressor or Condenser; High Pressure AC System Mounted;. 2000 GMC Sierra 1500 Use only if SW is mounted at Compressor or Condenser; High Pressure AC System Mounted;.