Where are the blower module and relay located on a 1991 Cadillac De ville?

The blower motor and its relay in a 1991 Cadillac DeVille are typically located behind the glove box (passenger-side compartment). However, access might require partial or complete glove box removal.

To be precise, you'll need to:

1. Consult a repair manual specific to your 1991 Cadillac DeVille. This is the best way to ensure you're in the right place and understand the removal process. A Haynes or Chilton manual would be helpful.

2. Check online forums and resources. Sites dedicated to Cadillac DeVille owners (like forums on Cadillac-specific websites) may have detailed information and pictures that can help you locate the components.

Without a repair manual or detailed pictures, giving an exact location is unreliable. The general area is under the dashboard, near the blower itself. Remember to disconnect the battery's negative terminal before working near electrical components.