When doing replacement or upgrading on 1965 – 1976 Cadillac Calais, the bulb size guide is necessary for you to take the reference.
Jump to corresponding car model with the catalog bellow.

• Cadillac Calais Bulb Size Guide

1965 – 1976 Cadillac Calais Bulb Size Guide
Low Beam Headlight	1975 – 1976	H4656
	1965 – 1974	H5006
High Beam Headlight	1975 – 1976	H4651
	1965 – 1974	H5001
Back Up Light	1965 – 1976	1156
Brake	1965 – 1976	1157
Dome Light	1975	1004
	1971	161
	1965 – 1970, 1976	212-2
	1972 – 1973	90
Front Side Marker	1974 – 1976	194NA
Front Turn Signal	1965 – 1976	1157
License Plate	1973	194
	1965 – 1970	67
	1971 – 1972, 1974 – 1976	97
Parking Light	1967 – 1976	1157
	1965 – 1966	1157NA
Rear Side Marker	1972 – 1973	168
	1968	1895
	1969 – 1971, 1974 – 1976	194
Rear Turn Signal	1965 – 1976	1157
Tail Light	1965 – 1976	1157
Courtesy	1971	168
	1965 – 1970, 1972 – 1976	90
Engine Compartment Light	1973 – 1976	1003
	1965 – 1970, 1972	89
Glove Box	1971	1445
	1970, 1972 – 1976	1816
	1965 – 1969	1895
Map Light	1974 – 1976	562
	1967 – 1971	89
	1965 – 1966	90
Radio Display	1967 – 1971	1816
	1965 – 1966, 1972 – 1974	1895
Trunk	1973 – 1976	1003
	1971	168
	1965 – 1970, 1972	89