Chevrolet 1998 C/K Full-Size Pickup Owner's Manual page 330

Headlamps
Sealed Beam Lamps
1. Remove the four
screws from the
headlamp retainer.
2. Pull the headlamp out and remove the retainer.
3. Unplug and remove
the headlamp.
4. Plug in the new headlamp and put it in place.
5. Install the retainer to the headlamp and tighten
the screws.
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