interior lights DODGE TRUCK 1993 Service Repair Manual

•

LAMPS
LAMPS
8L - 1

CONTENTS

page page

BULB
APPLICATION 11 EXTERIOR
LAMPS
SERVICE
PROCEDURES
... 3
EXTERIOR
LAMPS
1 INTERIOR
LAMPS
10

EXTERIOR LAMPS

GENERAL
INFORMATION Each vehicle is equipped with various lamp assem­

blies.
A good ground is necessary for proper lighting operation. When changing lamp bulbs check the socket for
corrosion. Clean corrosion with a wire brush. Coat
the inside of the socket lightly with Mopar® Multi- Purpose Grease or equivalent.

DIAGNOSTIC
PROCEDURES
Always begin any diagnosis by testing all of the
fuses and circuit breakers in the system. Refer to Group 8W, Wiring Diagrams. Conventional and halogen headlamps are inter­
changeable. It is recommended that they not be in­
termixed on a given vehicle.

MULTI-FUNCTION
SWITCH TESTING
PROCEDURES
The multi-function switch contains electrical cir­
cuitry for:
• Headlamp Dimmer Switch
• Passing Lights
• Turn Signals
• Hazard Warning • Windshield Wiper
• Pulse Wiper
• Windshield Washer

HEADLAMPS
HIM
ENGINE
IDLING

OR
IGNITION
OFF

TEST CHARGING
SYSTEM
HEADLAMP
DIAGNOSIS

SEALED
BEAM

OR
BULB
BURNS

OUT
FREQUENTLY
][

TEST CHARGING SYSTEM
HEADLAMPS
DIM

ENGINE
RUNNING
ABOVE
IDLE

][

TEST CHARGING SYSTEM
HEADLAMPS

RANDOM
FLASH

[
HEADLAMPS

WILL
NOT
LIGHT

POORLY GROUNDED HEADLAMP CIRCUIT
LOOSE
CONNECTION
IN HEADLAMP CIRCUIT
HIGH RESISTANCE IN HEADLAMP CIRCUIT
LOOSE
CONNECTION
IN HEADLAMP CIRCUIT HIGH RESISTANCE
IN HEADLAMP CIRCUIT
LOOSE
CONNECTION
IN HEADLAMP CIRCUIT OPEN OR CORRODED
CONTACT
IN

HEADLAMP SWITCH

CRACKED
LENS ON HALOGEN SEALED BEAM ONLY
FAULTY
SEALED

BEAMS
OR BULBS OPEN OR CORRODED
CONTACT IN DIMMER SWITCH

FAULTY
SEALED

BEAMS
OR BULBS
FAULTY
SEALED

BEAMS
OR BULBS

RR8LD21