Cadillac 1998 DeVille Owner's Manual page 320

2. Turn the headlamp housing socket to the left to
unlock the socket from the lamp housing.
L
3. Disconnect the socket from the harness
by
separating
4. Install the new
bulb
and socket to the wiring harness
the locking clip.
connector. Make sure that the harness
is
locked to the
bulb
socket.
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