You are talking about MAJOR repair. Take it to a trans shop.
Behind glovebox in heater housing...remove glovebox and picture will form....
behind glove box
The ECU on a 1993 Cadillac Deville is behind the glove box. To remove the ECU, remove the bolt and pull down the plate.
On the fire wall. Behind the engine.
Behind the glove box.
The fuses in a 1969 Cadillac Deville are under the dash on the driver's side. Look above and behind the brake pedal for a plastic cover over the fuse box.
Right behind the motor in the front of the transmission.
Behind the Left Rear Wing Panel
top of intake behind fuel rail
behind the drivers seat, under the vehicle.
Behind the driver, under the vehicle. how do i change it
Behind the rear seat, access through trunk.