Where is low pressure switch located on 1998 cadillac deville?

The low pressure switch on a 1998 Cadillac DeVille is part of the A/C system and is typically located on the accumulator/receiver-dryer. This is a cylindrical component often found near the firewall, on the passenger side, in the engine compartment. However, the exact location might vary slightly depending on the specific model and any modifications.

To be sure, you should:

1. Consult your Cadillac DeVille's repair manual: This will provide the most accurate diagram and location information.

2. Use a wiring diagram: Tracing the low-pressure wire from the A/C control unit can lead you to the switch.

3. Search online for a 1998 Cadillac DeVille A/C system diagram: Many websites and forums dedicated to car repair offer such diagrams.

Keep in mind that working with refrigerant requires specialized tools and knowledge to avoid injury. If you are not comfortable with automotive AC repair, it's best to take your car to a qualified mechanic.