How do you turn it off the ccr light on a 1991 cadillac?
under the left side of the dash is a aldl connector[assembly line diagnostic link].
jump a paper clip from terminal a to c three times in 6 seconds that will claer the codes.
if the light comes back on you have a current fault.
Some models had the option for "Computer Controlled Ride". In the computer system there is a BCM (Body Control Modual) That monitors data from the load leveling sensors and transmission speed sensors. Using this data the computer can adjust the air pressure in the struts to one three settings based on the condtions. I recently bought a 91 STS and found that it does not have this option. It does although, have the load leveling…