While you wait for answers, we may have found some information which could help you.
Click here for Electronic Control Goingwhat is "lighting fault" in 1987 allante cadillac?
How can i open my stuck hood;cadillac deville 1988?
can i remove the cadillac converter?
cadillac converter?
any solutions other than head gasket r&r?
what is making my gears not shift in my 1989 cadillac fleetwood fwd?