1999 GMC Sierra 1500 equipped with 5.3L V8 Gas OHV, 4.8L V8 Gas OHV, 4.3L V6 Gas OHV
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Pressure Switch High Pressure A/C System Mounted Use only if SW is mounted at Compressor or Condenser
1999 GMC Sierra 1500 equipped with 5.3L V8 Gas OHV, 4.8L V8 Gas OHV, 4.3L V6 Gas OHV
Pressure Switch High Pressure A/C System Mounted Use only if SW is mounted at Compressor or Condenser
