2001 CHEVROLET C3500 HD bulb

6-38 Front Sidemarker Lamps
(Composite Headlamps)
1. Remove the two screws
and pull out the
parking/turn signal
lamp assembly.
2. Reach through the opening and turn the sidemarker
bulb socket counterclockwise and remove it.
3. Pull the bulb straight out
of the socket.
4. Put a new bulb into the socket and push it in until it
is tight.
5. Put the socket back into the sidemarker assembly
and turn it clockwise to tighten it.
6. Reinstall the parking/turn signal lamp assembly and
tighten the screws.

6-39 Roof Marker Lamps
1. Remove the screws and lift off the lens.
2. Pull the bulb straight out of the socket.
3. Put a new bulb into the socket and push it in until
it is tight.
4. Reinstall the lens and tighten the screws.
Taillamps
1. Using your hands, peel the rubber seal away from
the lens.
2. Lift the lens off the
lamp assembly.3. Slide the socket out of the lamp assembly.
4. Push in gently on
the bulb, turn it
counterclockwise
and remove it from
the socket.
5. Put in a new bulb and, pushing in gently, turn it
clockwise until it is tight.
6. Put the socket back in the lamp assembly and
reinstall the lens and lens seal.

6-65
Replacement Bulbs
Exterior Lamps Quantity Number
Sealed Beam Headlamps 2 H6054
Composite Low
-Beam
Headlamps2 9006
Composite High
-Beam
Headlamps2 9005
Front Marker Lamp 2 194
Front Parking and Turn Lamp 4 2357NA
Rear Parking Lamp 2 3057
Rear Stop and Turn Lamp 2 3057
Back
-up Lamp2 3156
Roof Marker Lamp 5 194Interior Lamps Quantity Number
Dome Lamps 2
211
-2
Reading Lamps 2
211
-2
Door Courtesy Lamps 2 194
Instrument Panel
Compartment Lamp1 194
For service information on other bulbs, contact your
dealer's service department.