When doing replacement or upgrading on 1982 – 1988 Cadillac Cimarron, the bulb size guide is necessary for you to take the reference.
Jump to corresponding car model with the catalog bellow.

Low Beam Headlight 1986 – 1988 9004
1982 – 1985 H4656
High Beam Headlight 1986 – 1988 9004
1982 – 1985 H4651
Front Fog Light 1983 – 1988 881
Back Up Light 1982 – 1988 1156
Brake 1982 – 1985, 1987 – 1988 1157
1986 2057
Dome Light 1982 561
1984, 1986 562
Front Side Marker 1982 – 1988 194
Front Turn Signal 1982, 1984 – 1988 1157
1983 2057
License Plate 1985 – 1986 168
1982 – 1984, 1987 – 1988 194
Parking Light 1982, 1984 – 1985, 1987 – 1988 1157
1986 194
1983 2057NA
Rear Side Marker 1985 – 1986 1157
1982 – 1984 194
Rear Turn Signal 1985, 1987 1156
1982 – 1984, 1986, 1988 1157
Tail Light 1982 – 1985, 1987 – 1988 1157
1986 2057
Center High Mount Stop Light 1986 – 1988 1156
Courtesy 1982 – 1983, 1985, 1987 – 1988 168
1984, 1986 562
Engine Compartment Light 1982, 1984, 1986 1156
1983, 1985, 1987 – 1988 194
Glove Box 1982 1816
1983 – 1988 194
Map Light 1984 1004
1986 194
1982 90
Radio Display 1982 194
Trunk 1982 – 1988 1003