HVAC Pressure Switch. 1994 Chevrolet Blazer Engine: 5.7L V8; High Pressure Cutout | For Pigtail Use 1711880;. 1994 Chevrolet Blazer Engine: 6.5L V8; High Pressure Cutout | For Pigtail Use 1711880;. Notes: High Pressure Cutout | For Pigtail Use 1711880.
