bulb CHEVROLET DYNASTY 1993 Owner's Manual

EXTERIOR LAMPSÐAG BODY INDEX
page page
Back-Up Lamps .......................... 15
Center High Mounted Stop Lamp Bulb ........ 15
Fog Lamp or Bulb ........................ 14
Headlamp Diagnosis ...................... 14
Headlamp Housing and Bulb ................ 14 License Plate Lamp or Bulb
................ 15
Park and Turn Signal Lamp or Bulb .......... 14
Tail, Stop, Turn Signal, Side Marker, Back-Up Lamp ................................ 15
HEADLAMP DIAGNOSIS
For headlamp diagnosis, refer to the Headlamp Di-
agnosis at the beginning of this Group. Refer to Wir-
ing Diagrams manual for circuit and component
locations.
HEADLAMP HOUSING AND BULB
REMOVAL (FIG. 1)
(1) Raise hood.
(2) Disengage fasteners holding sight shield flaps
to headlamp mounting panel. Refer to Group 23,
Body for instructions. (3) Remove nuts holding lamp housing to head-
lamp mounting panel. (4) Separate lamp from mounting panel.
(5) Disconnect wire connectors from lamp sockets
behind lamp. (6) Separate lamp housing from vehicle.
CAUTION: Do not touch the bulb glass with fingers
or other oily surfaces, reduced bulb life will result. (7) Rotate sockets counterclockwise and pull bulb
unit from lamp.
INSTALLATION
Reverse the preceding operation.
PARK AND TURN SIGNAL LAMP OR BULB
REMOVAL (FIG. 1)
(1) Remove headlamp housing.
(2) Remove the bulb and socket assembly from the
lamp. Pull bulb from socket if bulb replacement is re-
quired.
(3) Remove screws holding park and turn signal
lamp to headlamp housing.
INSTALLATION
Reverse the preceding operation.
FOG LAMP OR BULB
REMOVAL (FIG. 2 AND 3)
(1) Remove screws holding fog lamp to front fascia.
(2) Disengage tabs holding cover to back of fog lamp.
(3) Separate cover from lamp.
(4) Disengage bulb retainer clip from tabs on back
of lamp. Separate clip from lamp. (5) Pull bulb from lamp.
CAUTION: Do not touch the bulb glass with fingers or
other oily surface, as reduced bulb life will result.
INSTALLATION
Reverse the preceding operation. Refer to Fog
Lamp Alignment procedures in this group.
Fig. 1 Aero HeadlampFig. 2 Fog Lamp
8L - 14 LAMPS Ä

TAIL, STOP, TURN SIGNAL, SIDE MARKER,
BACK-UP LAMP
The lamp must be separated from the rear closure
panel to replace the bulbs.
REMOVAL (FIG. 4)
(1) Remove rear lift gate scuff plate.
(2) Remove screws holding tail lamp to rear clo-
sure panel. (3) Separate the lamp from rear closure panel.
(4) Rotate sockets counterclockwise and separate
sockets from tail lamp. (5) Pull bulb from socket if bulb replacement is re-
quired.
INSTALLATION
Reverse the preceding operation.
CENTER HIGH MOUNTED STOP LAMP BULB
REMOVAL
(1) Open the lift gate.
(2) Remove the lower scuff plate, reach behind the
closure panel, and rotate the bulb and socket coun-
terclockwise and separate socket from the lamp. (3) Remove bulb from socket.
INSTALLATION
Reverse the preceding operation.
LICENSE PLATE LAMP OR BULB
REMOVAL (FIG. 5)
(1) Remove screws holding license plate lamp to
the rear closure above the license plate. (2) Separate the lamp from the rear closure panel.
(3) Remove socket from the lamp and pull bulb
from socket if bulb replacement is required.
INSTALLATION
Reverse the preceding operation.
BACK-UP LAMPS
REMOVAL (FIG. 6)
(1) Remove license plate, if equipped.
(2) Remove screws holding back-up lamp to rear
closure panel. (3) Separate back-up lamp from closure panel.
(4) Remove sockets from back of lamp.
(5) Pull bulbs from sockets if bulb replacement is
required.
INSTALLATION
Reverse the preceding operation.
Fig. 3 Fog Lamp Bulb
Fig. 4 Tail Lamps
Fig. 5 License Plate Lamp
Fig. 6 Back-up Lamps
Ä LAMPS 8L - 15

EXTERIOR LAMPSÐAJ BODY INDEX
page page
Back-Up Lamp .......................... 17
Back-Up Lamp Bulb ...................... 17
Center High Mounted Stop Lamp (CHMSL) Bulb . 18
Center High-Mounted Stop Lamp Assembly (CHMSL) ............................. 18
Cornering Lamp or Bulb ................... 16
Front Side Marker Lamp ................... 16
Front Side Marker Lamp Bulb ............... 16
Headlamp Module and Bulb ................ 16 Headlamps
............................. 16
License Plate Lamp or Bulb ................ 17
Park and Turn Signal Lamp or Bulb .......... 16
Rear Side Marker Lamp ................... 17
Rear Side Marker Lamp Bulb ............... 17
Tail, Stop, Turn Signal Bulb or Lamp ......... 17
Trunk Lid Tail Lamp ...................... 17
Trunk Lid Tail Lamp Bulb .................. 17
HEADLAMPS
HEADLAMP MODULE AND BULB
REMOVAL (FIG. 1)
(1) Release hood latch and open hood.
(2) Remove bolts holding headlamp module to
grille opening panel. (3) Separate lamp module from grille opening
panel. (4) Disengage wire connectors from lamp sockets
behind lamp. (5) Separate lamp module from vehicle.
CAUTION: Do not touch the bulb glass with fingers
or other oily surfaces, reduced bulb life will result. (7) Remove bulb socket retaining ring and pull
bulb unit from lamp.
INSTALLATION
Reverse the preceding operation.
PARK AND TURN SIGNAL LAMP OR BULB
REMOVAL (FIG. 2)
(1) Remove two screws from the lamp and pull the
lamp from the bumper fascia. (2) Remove the socket and bulb assembly from the
lamp body.
INSTALLATION
Reverse the preceding operation.
FRONT SIDE MARKER LAMP BULB
REMOVAL
(1) Reach under and behind the front fender to ro-
tate the socket counterclockwise one half turn. (2) Pull the socket from the lamp body.
(3) Pull bulb from the socket.
INSTALLATION
Reverse the preceding operation.
FRONT SIDE MARKER LAMP
REMOVAL (FIG. 2)
(1) Remove the socket and bulb from the lamp
body. (2) From behind front fender, remove nuts holding
side marker lamp to fender. (3) Separate side marker lamp from vehicle.
INSTALLATION
Reverse the preceding operation.
CORNERING LAMP OR BULB
REMOVAL (FIG. 2)
(1) From behind front fender, remove nuts holding
cornering lamp to fender. (2) Remove socket from lamp.
(3) Separate cornering lamp from the vehicle.
INSTALLATION
Reverse the preceding operation.
Fig. 1 Aero Headlamp
8L - 16 LAMPS Ä

TAIL, STOP, TURN SIGNAL BULB OR LAMP
REMOVAL (FIG. 3)
(1) Open deck lid and remove the plastic wing nut
securing the rear trim cover in place. (2) Pivot the end of the trim panel out of the way
to gain access, and remove three plastic wing-nuts
securing the lamp to the vehicle. (3) Separate the tail lamp from the body far
enough to rotate the socket and bulb assemblies
counterclockwise one-half turn and pull the sockets
out of the lamp body. (4) Remove the bulb from socket.
INSTALLATION
Reverse the preceding operation.
TRUNK LID TAIL LAMP BULB
REMOVAL (FIG. 3)
(1) Remove deck lid liner as necessary. Through
access hole in the inner deck lid, rotate socket coun-
terclockwise one-half turn, and pull the socket and
bulb assembly from the lamp body. (2) Remove the bulb from the socket.
INSTALLATION
Reverse the preceding operation.
TRUNK LID TAIL LAMP
REMOVAL (FIG. 3)
(1) Remove bulb and sockets from trunk lid tail
lamp. (2) Remove six nuts and four screws securing the
tail lamp to the deck lid and remove the lamp assem-
bly from the vehicle.
INSTALLATION
Reverse the preceding operation.
BACK-UP LAMP BULB
REMOVAL (FIG. 3)
(1) From behind the rear bumper fascia, rotate the
bulb and socket assembly counterclockwise one-half
turn and pull the bulb and socket out of the lamp body.
(2) Remove the bulb from the socket.
INSTALLATION
Reverse the preceding operation.
BACK-UP LAMP
REMOVAL (FIG. 3)
(1) Remove the socket and bulb assembly from the
lamp body. (2) Remove two screws from the lamp and pull the
lamp from the rear bumper fascia.
INSTALLATION
Reverse the preceding operation.
REAR SIDE MARKER LAMP BULB
REMOVAL (FIG. 3)
(1) Open the deck lid and remove the fastener
(wing nut) from the lower rear trim panel. Rotate the
inner quarter trim panel forward to gain access to
the lamp assembly. Rotate counterclockwise one-half
turn, and pull the socket and bulb from the lamp
body. (2) Remove the bulb from the socket.
INSTALLATION
Reverse the preceding operation.
REAR SIDE MARKER LAMP
REMOVAL (FIG. 3)
(1) Remove the socket and bulb assembly.
(2) Remove two attaching nuts from the lamp be-
hind the quarter panel and remove the lamp from
the vehicle.
INSTALLATION
Reverse the preceding operation.
LICENSE PLATE LAMP OR BULB
REMOVAL (FIG. 3)
(1) Remove screws holding license plate lamp to
rear bumper fascia.
Fig. 2 Park, Turn Signal, Cornering and Side Marker LampÐTypical
Fig. 3 Tail, Stop, Turn Signal, Back-Up, LicensePlate and Side Marker Lamps
Ä LAMPS 8L - 17

(2) Remove socket from back of lamp.
(3) Pull bulb from socket if bulb replacement is re-
quired. (4) Separate lamp from vehicle.
INSTALLATION
Reverse the preceding operation.
CENTER HIGH MOUNTED STOP LAMP (CHMSL)
BULB
REMOVALÐAJ-BODY (FIG. 4)
(1) Open deck lid.
(2) From under the parcel shelf, rotate socket
counterclockwise, and pull the CHMSL socket and
bulb from the lamp. Remove the bulb from the
socket.
INSTALLATION
Reverse the preceding operation.
REMOVALÐAJ/27-BODY (FIG. 5)
(1) Remove CHMSL lens attaching screws and sep-
arate lens from the lamp body. (2) Remove socket from lamp.
(3) Remove bulb.
INSTALLATION
Reverse the preceding operation.
CENTER HIGH-MOUNTED STOP LAMP ASSEMBLY
(CHMSL)
REMOVALÐAJ-BODY (FIG. 4)
(1) Remove parcel shelf trim cover. Refer to Group
23, Body. (2) Remove two CHMSL attaching screws and sep-
arate the lamp from the parcel shelf.
INSTALLATION
Reverse the preceding operation.
REMOVALÐAJ/27-BODY (FIG. 5)
(1) From inside the luggage compartment, locate
and remove the two plastic plugs from under the
filler panel behind the compartment opening. (2) Remove the two CHMSL attaching nuts
through the clearance holes under the filler panel. (3) Disconnect the wire connector and separate the
lamp assembly from the filler panel.
INSTALLATION
Reverse the preceding operation.
Fig. 4 Center High Mounted Stop LampÐAJ-Body
Fig. 5 Center High Mounted Stop LampÐAJ/27-Body
8L - 18 LAMPS Ä

EXTERIOR LAMPSÐAP BODY INDEX
page page
Center High Mounted Stop Lamp (CHMSL)Ð AP/24-44-Body ......................... 21
Center High Mounted Stop Lamp BulbÐ AP/24-44-Body ......................... 21
Fog Lamp Bulb .......................... 21
Fog Lamps ............................. 21
Front Side Marker Lamp or Bulb ............. 20
Headlamp Bulb .......................... 19 Headlamp Diagnosis
...................... 19
Headlamp Housing ....................... 19
License Plate Lamp or Bulb ................ 20
Park and Turn Signal Lamp or Bulb .......... 20
Tail, Stop, Turn Signal, Back-Up and Side Marker Lamp ................................ 20
Tail, Stop, Turn Signal, Back-Up and Side Marker Lamp Bulbs ........................... 20
HEADLAMP DIAGNOSIS
For headlamp diagnosis, refer to the headlamp di-
agnosis chart at the beginning of this group. Refer to
Wiring Diagrams manual for circuit and component
locations.
HEADLAMP BULB
REMOVAL (FIG. 1)
(1) Left front bulb removal: Remove the windshield
washer reservoir upper mounting screw and position
reservoir rearward. (2) Disconnect wire connector from back of head-
lamp behind radiator closure panel.
CAUTION: Do not touch the bulb glass with fingers
or other oily surface, reduced bulb life will result.
(3) Rotate the bulb retaining ring counterclockwise
one quarter turn and remove the ring, bulb holder
and bulb from the lens assembly. The bulb holder
has alignment notches.
INSTALLATION
Reverse the preceding operation.
HEADLAMP HOUSING
RIGHT HEADLAMP REMOVAL (FIG. 1)
To remove the aero headlamp housing, perform
steps 1, 2 and 3 of bulb removal operation and pro-
ceed with the following steps. (1) From in the engine compartment, remove the
three headlamp assembly to body attaching nuts and
separate the lamp from the body. (2) Pull headlamp/lens assembly forward.
(3) Pull the lower section of the headlamp adjuster
cable from the lamp adjuster screw.
(4) Remove headlamp/lens assembly.
(5) Remove the four lamp/lens to headlamp bucket
screws. (6) Remove headlamp/lens.
INSTALLATION
Reverse the preceding operation.
LEFT HEADLAMP REMOVAL (FIG. 1)
(1) Disconnect battery cables, negative first, and
remove battery. (2) Remove the windshield washer reservoir upper
mounting screw and position reservoir rearward. (3) Remove the air cleaner intake tube.
(4) Remove screws holding Engine Controller to in-
ner fender flange. (5) Move Engine Controller rearward, leave wires
connected. (6) Remove air duct from front of Engine Control-
ler. (7) Disconnect wire connector from back of head-
lamp. (8) From in the engine compartment, remove nuts
holding headlamp housing to radiator closure panel. (9) Separate headlamp housing from radiator clo-
sure panel. (10) Pull headlamp housing forward.
(11) Pull the lower section of the headlamp ad-
juster cable from the lamp adjuster screw. (12) Separate headlamp from vehicle.
INSTALLATION
Reverse the preceding operation.
Fig. 1 Aero Headlamp
Ä LAMPS 8L - 19

PARK AND TURN SIGNAL LAMP OR BULB
REMOVAL (FIG. 2)
(1) Remove screws holding the park and turn sig-
nal lamp to the bumper facia. (2) Separate lamp from bumper fascia.
(3) Rotate the socket counterclockwise and remove
the socket from the lamp assembly. (4) Pull the bulb from the socket.
INSTALLATION
Reverse the preceding operation.
FRONT SIDE MARKER LAMP OR BULB
REMOVAL (FIG. 2)
(1) Locate back of side marker lamp behind
bumper fascia. (2) Rotate socket counterclockwise and remove the
socket and bulb from the lamp. (3) Pull bulb from socket if replacement is re-
quired. (4) Remove nuts holding side marker lamp to the
fascia and separate lamp from vehicle.
INSTALLATION
Reverse the preceding operation.
TAIL, STOP, TURN SIGNAL, BACK-UP AND SIDE
MARKER LAMP BULBS
REMOVAL (FIG. 3)
(1) Remove luggage compartment rear trim cover.
(2) Loosen and shift the quarter panel silencer out
of the way. (3) Rotate socket counterclockwise and separate
socket and bulb from lamp assembly. (4) Remove the bulb from the socket.
INSTALLATION
Reverse the preceding operation.
TAIL, STOP, TURN SIGNAL, BACK-UP AND SIDE
MARKER LAMP
REMOVAL (FIG. 3)
(1) Remove luggage compartment rear trim cover.
(2) Loosen and shift the quarter panel silencer out
of the way. (3) Rotate sockets counterclockwise and separate
sockets from lamp assembly. (4) Remove the lamp assembly to body retaining
nuts. (5) Remove the lamp assembly.
INSTALLATION
Reverse the preceding operation.
LICENSE PLATE LAMP OR BULB
REMOVAL (FIG. 4)
(1) Locate and remove two attaching screws hold-
ing the assembly to the tail panel. (2) Separate the lens from the lamp assembly.
(3) Remove bulb from socket assembly.
INSTALLATION
Reverse the preceding operation.
Fig. 2 Park, Turn Signal, and Side Marker Lamps
Fig. 3 Tail, Stop, Turn Signal, Side Marker and Back-Up Lamps
Fig. 4 License Plate LampÐTypical
8L - 20 LAMPS Ä

CENTER HIGH MOUNTED STOP LAMP BULBÐAP/
24-44-BODY
REMOVAL (FIG. 5)
(1) Remove the lower rear glass trim cover. Refer
to Group 23, Body. (2) Rotate lamp sockets counterclockwise and re-
move them from the lamp assembly. (3) Remove bulb from the socket.
INSTALLATION
Reverse the preceding operation.
CENTER HIGH MOUNTED STOP LAMP
(CHMSL)ÐAP/24-44-BODY
REMOVAL (FIG. 5)
(1) Remove the lower rear glass trim cover. Refer
to Group 23, Body. (2) Remove two attaching nuts from the assembly
mounting and lift the lamp from the bracket. (3) Remove bulbs from lamp.
(4) Remove lamp attaching nuts.
(5) Remove lamp assembly.
INSTALLATION
Reverse the preceding operation.
FOG LAMP BULB
REMOVAL
(1) From behind the front bumper support, rotate
the socket counterclockwise one quarter turn, and remove the
socket from lamp assembly. (2) Disconnect wire connector and remove bulb.
INSTALLATION
Reverse the preceding operation.
FOG LAMPS
REMOVAL (FIG. 6)
(1) Disconnect wire connector from back of lamp.
(2) Remove nut holding fog lamp to mounting
bracket. (3) Separate fog lamp from bumper fascia.
Fig. 5 Center High Mounted Stop LampÐAP/24-44- Body
Fig. 6 Fog Lamps
Ä LAMPS 8L - 21

EXTERIOR LAMPSÐAY-BODY INDEX
page page
Center High Mounted Stop Lamp ............ 24
Center High Mounted Stop Lamp Bulb (CHMSL) . 24
Cornering Lamp or BulbÐAY/C-P-Body ........ 24
Front Side Marker BulbÐAY/C-P-Body ........ 23
Front Side Marker LampÐAY/C-P-Body ....... 23
General Information ....................... 22
Headlamp Diagnosis ...................... 22 Headlamps
............................. 22
License Plate Lamp or BulbÐAY/C-P-Body ..... 24
Park, Turn Signal Lamp or BulbÐAY/C-P-Body . . 22
Sealed Beam ........................... 22
Tail, Stop, Turn Signal, Side Marker and Back-Up Lamp or BulbÐAY/C-P-Body .............. 24
GENERAL INFORMATION
To service exterior lamps on AY/C-S-Body, refer to
procedures covered in Exterior LampsÐAC-Body sec-
tion. AC/C-S-Body uses the same lamps as AY/C-S-
Body.
HEADLAMPS
Conventional and halogen sealed beams are inter-
changeable, It is not recommended that they be
mixed. The lens, filament and reflector of sealed
beams are molded into one unit.
HEADLAMP DIAGNOSIS
For headlamp diagnosis, refer to the headlamp di-
agnosis chart at the beginning of this Group. Refer to
Wiring Diagrams manual for circuit and component
locations.
SEALED BEAM
REMOVAL
(1) Turn the headlight switch ON.
(2) Open the hood and locate the power distribu-
tion center forward of the left front suspension tower
(Fig. 1). Remove the cover. (3) Remove the headlamp close relay (Fig. 2) to
prevent the headlamp doors from closing. (4) Turn the headlight switch OFF.
(5) Remove screws from headlamp bezel and re-
move bezel, if equipped. Do not disturb the headlamp adjusting screws.
(6) Remove screws from interior retaining ring
(Fig. 3), and remove ring. (7) Separate sealed beam from seat and disconnect
wire connector.
INSTALLATION
Reverse the preceding operation.
PARK, TURN SIGNAL LAMP OR BULBÐAY/C-P-
BODY
REMOVAL
(1) Open the headlamp doors. (2) Remove push-in fasteners holding lower park
and turn signal lamp shield to grille opening panel
(Fig. 4). (3) Remove screws holding park and turn signal
lamp grille opening panel (Fig. 5). (4) Remove sockets from lamp and pull bulbs from
sockets if bulbs replacement is required (Fig. 6).
Fig. 1 Power Distribution Center
Fig. 2 Headlamp Close Relay
8L - 22 LAMPS Ä

INSTALLATION
Reverse the preceding operation.
FRONT SIDE MARKER BULBÐAY/C-P-BODY
REMOVAL
(1) Raise vehicle.
(2) Reach over the top of cornering lamp (Fig. 7)
and remove bulb/socket (Fig. 8).
INSTALLATION
Reverse the preceding operation.
FRONT SIDE MARKER LAMPÐAY/C-P-BODY
REMOVAL (FIG. 7)
(1) Remove the cornering lamp retaining nuts, and
remove cornering lamp. (2) Remove the four nuts retaining the bumper
trim moulding to the body. (3) Remove bumper trim moulding.
(4) Remove side marker lamp.
INSTALLATION
Reverse the preceding operation.
Fig. 3 Sealed Beam ReplacementÐTypical
Fig. 4 Turn Signal Lamp Shield
Fig. 5 Turn Signal Lamp Mounting Screws
Fig. 6 Turn Signal Lamp
Fig. 7 Bumper Trim Moulding NutsÐAY/C-P-Body
Ä LAMPS 8L - 23