what kind of car was ecto 1
History Edit. The vehicle used for the Ecto-1 was a 1959 Cadillac professional chassis, built by the Miller-Meteor company. The ambulance/hearse combination was the end loader variety.Dr. Ray Stantz found the vehicle shortly after he mortgaged his mother's house to buy the Firehouse. Ecto-1 and Ecto-1a are Miller-Meteor Futura Ambulance/Hearse Combination mounted on a 1959 Cadillac Fleetwood Professional Chassis. 2  Stephen Dane, credited as a Hardware Consultant, was the fabricator of the original Ectomobile. 3  On October 5, 1983, Dane started working on Ecto-1.