Where is the low pressure switch for air conditioning 2004 ford F150?

The low-pressure switch on a 2004 Ford F-150's air conditioning system is typically located on the accumulator/receiver drier. This is part of the refrigerant lines, often near the firewall on the passenger side. However, the exact location can vary slightly depending on the specific model and whether it has a single or dual-zone climate control system.

To find it, you'll need to:

1. Consult a repair manual: A repair manual specific to your 2004 Ford F-150 will give you the most accurate location. This is your best bet for pinpoint accuracy.

2. Look near the accumulator/receiver drier: This is a cylindrical component often with a sight glass. The low-pressure switch is usually attached directly to it or very close by, often with a single or multiple electrical connectors.

3. Trace the refrigerant lines: Follow the refrigerant lines from the compressor to the evaporator. The accumulator/receiver drier is usually found somewhere along this path.

Important Safety Note: Working with refrigerant requires proper handling and safety equipment. Refrigerant is under pressure and can cause serious injury if mishandled. If you are not comfortable working on your vehicle's AC system, it is best to take it to a qualified mechanic.