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GMC Workshop Service and Repair Manuals

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Restraint Systems > < A/C Pressure Sensor/Switch - Cooling Fan|Locations

K 3500 Truck 4WD V8-454 7.4L VIN J SFI (1996)

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Service Port HVAC: Locations

The high pressure fitting is located either in the high pressure vapor line or muffler, while the low pressure fitting is located on the accumulator.

Restraint Systems > < A/C Pressure Sensor/Switch - Cooling Fan|Locations