1993 CHEVROLET DYNASTY Service Manual

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Page 649 of 2438

CHEVROLET DYNASTY 1993 Service Manual EXTERIOR LAMPSÐAA BODY INDEX
page page
Center High-Mounted Stop Lamp (CHMSL) Bulb . . 9
Fog Lamp ............................... 9
Fog Lamp Bulb ........................... 9
Front Side Marker

EXTERIOR LAMPSÐAA BODY INDEX
page page
Center High-Mounted Stop Lamp (CHMSL) Bulb . . 9
Fog Lamp ............................... 9
Fog Lamp Bulb ........................... 9
Front Side Marker Lamp or Bulb .............. 7
Headlamp Bulb ........................... 7 Headlamp Lens
........................... 7
License Plate Lamp or BulbÐAA/P Body ....... 8
License Plate LampsÐAA/C Body ............. 8
Park and Turn Signal Lamp or Bulb ........... 7
Tail, Stop and Turn Signal and Back-Up Lamp . . . 8
HEADLAMP BULB
REMOVAL (FIG. 1)
(1) Raise hood to the open position.
(2) Disconnect wire connector from lamp socket be-
hind the headlamp in the engine compartment. (3) Rotate bulb retaining ring counterclockwise
one quarter turn and remove the ring from the lamp. (4) Pull bulb from the lens assembly. When install-
ing bulb, align notches on bulb base to grooves in
lamp opening.
CAUTION: Do not touch the bulb with fingers or any
possibly oily surface, reduced bulb life will result.
INSTALLATION
Reverse the preceding operation.
HEADLAMP LENS
REMOVAL
(1) Raise hood to the open position.
(2) Disconnect wire connector from back of head-
lamp bulb. (3) Remove screws holding side marker lamp to
front fender. (4) Separate side marker lamp from fender and re-
move bulb socket from lamp. (5) Remove screws holding headlamp to radiator
closure panel. (6) Separate headlamp from radiator closure panel.
INSTALLATION
Reverse the preceding operation.
PARK AND TURN SIGNAL LAMP OR BULB
REMOVAL (FIG. 2)
(1) Remove screws holding park and turn signal
lamp to bumper fascia. (2) Separate lamp from bumper fascia.
(3) Remove socket from lamp.
(4) Pull bulb from socket.
INSTALLATION
Reverse the preceding operation.
FRONT SIDE MARKER LAMP OR BULB
REMOVAL (FIG. 3)
(1) Remove lamp assembly attaching screws and
separate the lamp from the front fender opening. (2) Rotate the side marker lamp socket counter-
clockwise one quarter turn and pull the socket and
bulb from the lamp. (3) Remove the bulb from the socket.
Fig. 1 Aero Headlamp
Fig. 2 Park and Turn Signal Lamp
Ä LAMPS 8L - 7

Page 650 of 2438

CHEVROLET DYNASTY 1993 Service Manual INSTALLATION
Reverse the preceding operation.
TAIL, STOP AND TURN SIGNAL AND BACK-UP
LAMP
REMOVAL (FIG. 4)
(1) Open deck lid and remove the plastic wing nut
securing the rear trim cover in place. (2

Page 651 of 2438

CHEVROLET DYNASTY 1993 Service Manual CENTER HIGH-MOUNTED STOP LAMP (CHMSL)
BULB
REMOVAL (FIG. 7)
(1) Pull cover from lamp assembly.
(2) Rotate socket counterclockwise to remove
socket and bulb. (3) Remove bulb from socket.
INSTALLATION

Page 652 of 2438

CHEVROLET DYNASTY 1993 Service Manual EXTERIOR LAMPSÐAC BODY INDEX
page page
Aero Headlamp Bulb ...................... 10
Aero Headlamp Housing ................... 11
Aero HeadlampsÐAC/D-Body ............... 10
Center High Mounte

EXTERIOR LAMPSÐAC BODY INDEX
page page
Aero Headlamp Bulb ...................... 10
Aero Headlamp Housing ................... 11
Aero HeadlampsÐAC/D-Body ............... 10
Center High Mounted Stop Lamp (CHMSL) ..... 13
Center High-Mounted Stop Lamp (CHMSL) Bulb . 13
Cornering Lamp Assembly .................. 12
Cornering Lamp Bulb ..................... 12
Front Side Marker BulbÐAC/C-Body .......... 12
Front Side Marker LampÐAC/C-Body ......... 12
Headlamp Diagnosis ...................... 10 Headlamp Sealed BeamÐAC/C Body
......... 10
License Plate Lamp/Bulb ................... 13
Park/Turn Signal Lamp or BulbÐAC/C-Body .... 11
Park/Turn Signal Lamp or BulbÐAC/D-Body .... 11
Rear Side Marker Lamp BulbÐAC/C-Body ..... 13
Rear Side Marker LampÐAC/C-Body ......... 13
Tail, Stop, Turn Signal, Back-Up and Side Marker LampÐAC/D-Body ...................... 12
Tail, Stop, Turn Signal, Back-Up LampÐAC/C or AY/S-Body ............................ 12
HEADLAMP DIAGNOSIS
Refer to the Headlamp Diagnosis at the beginning of
this Group. Refer to Wiring Diagrams Manual for
circuit and component locations.
HEADLAMP SEALED BEAMÐAC/C BODY
REMOVAL
(1) Turn the headlight switch ON.
(2) Open the hood and locate the Power Distribution
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 remove
bezel, if equipped. (6) Remove screws from interior retaining ring (Fig.
3), and remove ring. Do not disturb the headlamp adjusting screws.
(7) Pull out sealed beam unit and unplug connector.
INSTALLATION
Reverse the preceding operation.
AERO HEADLAMPSÐAC/D-BODY
Lens fogging is a normal condition and does
not require service, as moisture will vent from
tubes behind the lens.
AERO HEADLAMP BULB
REMOVAL (FIG. 4)
(1) Locate and remove the wire connector behind the
headlamp assembly in the engine compartment.
CAUTION: Do not touch the bulb with fingers or any
possibly oily surface, reduced bulb life will result. (2) Rotate the bulb retaining ring counterclockwise
one quarter turn and remove the ring, bulb and bulb
holder from the lens assembly. The bulb holder has
alignment notches.
INSTALLATION
Reverse the preceding operation.
Fig. 1 Power Distribution Center
Fig. 2 Headlamp Close Relay
8L - 10 LAMPS Ä

Page 653 of 2438

CHEVROLET DYNASTY 1993 Service Manual AERO HEADLAMP HOUSING
REMOVAL (FIG. 4 AND 5)
To remove the aero headlamp housing, perform
steps (1) and (2) of bulb removal operation and pro-
ceed with the following procedures. (1) The battery may

Page 654 of 2438

CHEVROLET DYNASTY 1993 Service Manual INSTALLATION
Reverse the preceding operation.
FRONT SIDE MARKER BULBÐAC/C-BODY
REMOVAL (FIG. 7)
(1) Reach behind the front fender and rotate the
socket counterclockwise. Pull the socket from the
lam

Page 655 of 2438

CHEVROLET DYNASTY 1993 Service Manual (3) Separate the lamp assembly from the rear clo-
sure panel. (4) Rotate the socket and bulb assemblies counter-
clockwise and pull the sockets from the lamp. (5) Remove the bulbs from the sockets.
I

Page 656 of 2438

CHEVROLET DYNASTY 1993 Service Manual EXTERIOR LAMPSÐAG BODY INDEX
page page
Back-Up Lamps .......................... 15
Center High Mounted Stop Lamp Bulb ........ 15
Fog Lamp or Bulb ........................ 14
Headlamp Diagnosi

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

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