Where is the transmission modulator located for 91 cadillac sedan deville?

The transmission modulator on a 1991 Cadillac Sedan DeVille is typically located on the transmission itself, specifically on the side of the transmission case. It is usually positioned near the rear of the transmission, connected to the vacuum line from the engine. To access it, you may need to raise the vehicle and remove any obstructing components for better visibility. Always consult the vehicle's service manual for precise location and replacement procedures.