When doing replacement or upgrading on 1977 – 1980 Lincoln Versailles, the bulb size guide is necessary for you to take the reference.
Jump to corresponding car model with the catalog bellow.

Low Beam Headlight 1977 – 1978 4652
1979 – 1980 H4656
High Beam Headlight 1977 – 1980 H4651
Back Up Light 1977 – 1980 1156
Brake 1977 – 1980 1157
Dome Light 1977 – 1979 211-2
1980 912
Front Side Marker 1977 – 1980 1157NA
Front Turn Signal 1977 – 1980 1157
License Plate 1977 – 1980 168
Parking Light 1977 – 1980 194
Rear Side Marker 1977 – 1980 1157
Rear Turn Signal 1977 – 1980 1157
Tail Light 1977 – 1980 1157
Courtesy 1980 161
1979 1816
1977 – 1978 212-2
Engine Compartment Light 1977 – 1980 89
Glove Box 1977 – 1980 1816
Map Light 1977 – 1979 1003
1980 105
Radio Display 1977 – 1980 1893
Trunk 1977 – 1980 89