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 Headlight1977 – 1978 4652
1979 – 1980 H4656
High Beam Headlight1977 – 1980 H4651
Back Up Light1977 – 1980 1156
Brake1977 – 1980 1157
Dome Light1977 – 1979 211-2
1980 912
Front Side Marker1977 – 1980 1157NA
Front Turn Signal1977 – 1980 1157
License Plate1977 – 1980 168
Parking Light1977 – 1980 194
Rear Side Marker1977 – 1980 1157
Rear Turn Signal1977 – 1980 1157
Tail Light1977 – 1980 1157
Courtesy1980 161
1979 1816
1977 – 1978 212-2
Engine Compartment Light1977 – 1980 89
Glove Box1977 – 1980 1816
Map Light1977 – 1979 1003
1980 105
Radio Display1977 – 1980 1893
Trunk1977 – 1980 89