The AC low side port on a 1999 Cadillac DeVille is against the firewall. It is on the larger of the two hoses going to the AC compressor.
Left side white plastic tank with black plastic cap
passenger side temp acuator has gone bad
The computer is on the passenger side, under the dashboard , mounted above kick panel. -Wcb56
Connect a freon gauge and tank to the low side ac port of the 97 DeVille. With the engine running and the ac on high, open the freon valve. Shut the valve when the ac gauge reads full.
The 1983 Cadillac Deville oil pressure sensor can be found on the side of the engine. The oil pressure sensor will be on the left-hand side of the engine.
Fuse box in a 95 deville is in the trunk on dricers side Drivers side in the trunk and the same side in the engine compartment.
Under the hood on the right hand side. There is a black plastic lid that flips open with fuses and several relays
The speed sensor for a 1990 Cadillac Deville is located on the side of the transmission. Look for a 2 wire plug with 18 gauge wire.
IF U look @ the Condenser & find the line that coemes from the top of IT-THATS NOT THE LOW Pressure-Trace the other line @ the bottom of the Condenser & U will find the LOW port.
The fuse panel in a 1999 Cadillac Deville is on the driver side dash panel. You will have to open the car door to access the panel.
There are fuses boxes under the hood and in the trunk on the drivers side on a 95 Deville