Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Dodge Durango 1998-2000 Approved Dodge Durango 1998-99 98DN_8L
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DN LAMPS 8L - 1
LAMPS
CONTENTS
page page
BULB APPLICATION . . . . . . . . . . . . . . . . . . . . . . 17 LAMP DIAGNOSIS . . . . . . . . . . . . . . . . . . . . . . . . 1
HEADLAMP ALIGNMENT . . . . . . . . . . . . . . . . . . . 4 LAMP SERVICE . . . . . . . . . . . . . . . . . . . . . . . . . . 11
LAMP BULB SERVICE . . . . . . . . . . . . . . . . . . . . . 7 LAMP SYSTEMS . . . . . . . . . . . . . . . . . . . . . . . . . 16
LAMP DIAGNOSIS
INDEX
page page
GENERAL INFORMATION SAFETY PRECAUTIONS . . . . . . . . . . . . . . . . . . . 1
DAYTIME RUNNING LAMP MODULE (DRLM) . . . 1 DIAGNOSIS AND TESTING
GENERAL INFORMATION . . . . . . . . . . . . . . . . . . 1 SYSTEM DIAGNOSIS . . . . . . . . . . . . . . . . . . . . . . 1
GENERAL INFORMATION When it is necessary to remove components to ser-
vice another, it should not be necessary to apply
GENERAL INFORMATION excessive force or bend a component to remove it.
Each vehicle is equipped with various lamp assem- Before damaging a trim component, verify hidden
blies. A good ground is necessary for proper lighting fasteners or captured edges are not holding the com-
operation. Grounding is provided by the lamp socket ponent in place.
when it comes in contact with the metal body, or
through a separate ground wire. DAYTIME RUNNING LAMP MODULE (DRLM)
When changing lamp bulbs check the socket for The headlamps on vehicles sold in Canada, will go
corrosion. If corrosion is present, clean it with a wire on when the ignition is turned ON. The module must
brush and coat the inside of the socket lightly with also receive a signal from the engine controller. This
Mopar Multi-Purpose Grease or equivalent. provides a constant Lights On condition while the
vehicle is rolling. The lamps illuminate at less than
SAFETY PRECAUTIONS 50% of normal intensity.
WARNING: EYE PROTECTION SHOULD BE USED
WHEN SERVICING GLASS COMPONENTS. PER- DIAGNOSIS AND TESTING
SONAL INJURY CAN RESULT.
SYSTEM DIAGNOSIS
Always begin any diagnosis by testing all of the
CAUTION: Do not touch the glass of halogen bulbs fuses and circuit breakers in the system. Refer to
with fingers or other possibly oily surface, reduced Group 8W, Wiring Diagrams.
bulb life will result.
Do not use bulbs with higher candle power than
indicated in the Bulb Application table at the end of
this group. Damage to lamp and/or Daytime Run-
ning Lamp Module can result.
Do not use fuses, circuit breakers or relays hav-
ing greater amperage value than indicated on the
fuse panel or in the Owners Manual.
8L - 2 LAMPS DN
DIAGNOSIS AND TESTING (Continued)
HEADLAMP
CONDITION POSSIBLE CAUSES CORRECTION
HEADLAMPS ARE DIM 1. Loose or corroded battery cables. 1. Clean and secure battery cable clamps
WITH ENGINE IDLING and posts.
OR IGNITION TURNED 2. Loose or worn generator drive 2. Adjust or replace generator drive belt.
OFF belt.
3. Charging system output too low. 3. Test and repair charging system, refer to
Group 8A,
4. Battery has insufficient charge. 4. Test battery state-of -charge, refer to
Group 8A.
5. Battery is sulfated or shorted. 5. Load test battery, refer to Group 8A.
6. Poor lighting circuit Z1-ground. 6. Test for voltage drop across Z1-ground
locations, refer to Group 8W.
7. Both headlamp bulbs defective. 7. Replace both headlamp bulbs.
HEADLAMP BULBS BURN 1. Charging system output too high. 1. Test and repair charging system, refer to
OUT Group 8A.
FREQUENTLY 2. Loose or corroded terminals or 2. Inspect and repair all connectors and
splices in circuit. splices, refer to Group 8W.
HEADLAMPS ARE DIM 1. Charging system output too low. 1. Test and repair charging system, refer to
WITH ENGINE RUNNING Group 8A.
ABOVE IDLE* 2. Poor lighting circuit Z1-ground. 2. Test for voltage drop across Z1-ground
locations, refer to Group 8W.
3. High resistance in headlamp 3. Test amperage draw of headlamp circuit.
circuit.
4. Both headlamp bulbs defective. 4. Replace both headlamp bulbs.
HEADLAMPS FLASH 1. Poor lighting circuit Z1-ground. 1. Test for voltage drop across Z1-ground
RANDOMLY locations, refer to Group 8W.
2. High resistance in headlamp 2. Test amperage draw of headlamp circuit.
circuit. Should not exceed 30 amps.
3. Faulty headlamps switch circuit 3. Replace headlamp switch.
breaker.
4. Loose or corroded terminals or 4. Inspect and repair all connectors and
splices in circuit. splices, refer to Group 8W.
HEADLAMPS DO NOT 1. No voltage to headlamps. 1. Repair open headlamp circuit, refer to
ILLUMINATE Group 8W.
2. No Z1-ground at headlamps. 2. Repair circuit ground, refer to Group 8W.
3. Faulty headlamp switch. 3. Replace headlamp switch.
4. Faulty headlamp dimmer 4. Replace multi-function switch.
(multi-function) switch.
5. Broken connector terminal or wire 5. Repair connector terminal or wire splice.
splice in headlamp circuit.
*Canada vehicles must have lamps ON.
DN LAMPS 8L - 3
DIAGNOSIS AND TESTING (Continued)
FOG LAMP
CONDITION POSSIBLE CAUSES CORRECTION
FOG LAMPS ARE DIM 1. Loose or corroded battery cables. 1. Clean and secure battery cable clamps
WITH ENGINE IDLING OR and posts.
IGNITION TURNED OFF. 2. Loose or worn generator drive 2. Adjust or replace generator drive belt.
belt.
3. Charging system output too low. 3. Test and repair charging system. Refer to
Group 8A,
4. Battery has insufficient charge. 4. Test battery state-of -charge. Refer to
Group 8A.
5. Battery is sulfated or shorted. 5. Load test battery. Refer to Group 8A.
6. Poor lighting circuit Z1-ground. 6. Test for voltage drop across Z1-ground
locations. Refer to Group 8W.
FOG LAMP BULBS BURN 1. Charging system output too high. 1. Test and repair charging system. Refer to
OUT FREQUENTLY Group 8A.
2. Loose or corroded terminals or 2. Inspect and repair all connectors and
splices in circuit. splices. Refer to Group 8W.
FOG LAMPS ARE DIM 1. Charging system output too low. 1. Test and repair charging system. Refer to
WITH ENGINE RUNNING Group 8A.
ABOVE IDLE 2. Poor lighting circuit Z1-ground. 2. Test for voltage drop across Z1-ground
locations. Refer to Group 8W.
3. High resistance in fog lamp circuit. 3. Test amperage draw of fog lamp circuit.
FOG LAMPS FLASH 1. Poor lighting circuit Z1-ground. 1. Test for voltage drop across Z1-ground
RANDOMLY locations. Refer to Group 8W.
2. High resistance in fog lamp circuit. 2. Test amperage draw of fog lamp circuit.
3. Faulty fog lamp switch. 3. Replace fog lamp switch.
4. Loose or corroded terminals or 4. Inspect and repair all connectors and
splices in circuit. splices. Refer to Group 8W.
FOG LAMPS DO NOT 1. Blown fuse for fog lamp. 1. Replace fuse. Refer to Group 8W.
ILLUMINATE 2. No Z1-ground at fog lamps. 2. Repair circuit ground. Refer to Group
8W.
3. Faulty fog lamp switch. 3. Replace fog lamp switch.
4. Broken connector terminal or wire 4. Repair connector terminal or wire splice.
splice in fog lamp circuit.
5. Defective or burned out bulb. 5. Replace bulb.
8L - 4 LAMPS DN
HEADLAMP ALIGNMENT
INDEX
page page
GENERAL INFORMATION HEADLAMP ADJUSTMENT . . . . . . . . . . . . . . . . . 5
HEADLAMP ALIGNMENT . . . . . . . . . . . . . . . . . . . 4 HEADLAMP ALIGNMENT PREPARATION . . . . . . . 4
SERVICE PROCEDURES SPECIAL TOOLS
FOG LAMP ALIGNMENT . . . . . . . . . . . . . . . . . . . 5 SPECIAL TOOLS--HEADLAMP ALIGNMENT . . . . 6
GENERAL INFORMATION ALIGNMENT SCREEN PREPARATION
(1) Position vehicle on a level surface perpendicu-
HEADLAMP ALIGNMENT lar to a flat wall 7.62 meters (25 ft) away from front
Headlamps can be aligned using the screen method of headlamp lens (Fig. 1).
provided in this section. Alignment Tool C-4466-A or (2) If necessary, tape a line on the floor 7.62
equivalent can also be used. Refer to instructions meters (25 ft) away from and parallel to the wall.
provided with the tool for proper procedures. The (3) Up 1.27 meters (5 feet) from the floor, tape a
preferred headlamp alignment setting is 0 for line on the wall at the centerline of the vehicle. Sight
the left/right adjustment and 1 down for the along the centerline of the vehicle (from rear of vehi-
up/down adjustment. cle forward) to verify accuracy of the line placement.
(4) Rock vehicle side-to-side three times to allow
suspension to stabilize.
SERVICE PROCEDURES (5) Jounce front suspension three times by pushing
downward on front bumper and releasing.
HEADLAMP ALIGNMENT PREPARATION (6) Measure the distance from the center of head-
(1) Verify headlamp dimmer switch and high beam lamp lens to the floor. Transfer measurement to the
indicator operation. alignment screen (with tape). Use this line for
(2) Verify headlamps are set for low beam opera- up/down adjustment reference.
tion. (7) Measure distance from the centerline of the
(3) Correct defective components that could hinder vehicle to the center of each headlamp being aligned.
proper headlamp alignment. Transfer measurements to screen (with tape) to each
(4) Verify proper tire inflation. side of vehicle centerline. Use these lines for left/
(5) Clean headlamp lenses. right adjustment reference.
(6) Verify that luggage area is not heavily loaded.
(7) Fuel tank should be FULL. Add 2.94 kg (6.5
lbs.) of weight over the fuel tank for each estimated
gallon of missing fuel.
DN LAMPS 8L - 5
SERVICE PROCEDURES (Continued)
Fig. 1 Headlamp Alignment Screen--Typical
HEADLAMP ADJUSTMENT
A properly aimed low beam headlamp will project
top edge of high intensity pattern on screen from 50
mm (2 in.) above to 50 mm (2 in.) below headlamp
centerline. The side-to-side outboard edge of high
intensity pattern should be from 50 mm (2 in.) left to
50 mm (2 in.) right of headlamp centerline (Fig. 1).
The preferred headlamp alignment is 1 down
for the up/down adjustment and 0 for the left/
right adjustment. The high beam pattern should be
correct when the low beams are aligned properly.
To adjust low beam headlamp, rotate alignment
screws (Fig. 2) to achieve the specified aim.
FOG LAMP ALIGNMENT
Prepare an alignment screen. Refer to Alignment
Screen Preparation paragraph in this section. A prop- Fig. 2 Headlamp Adjustment Screws
erly aligned fog lamp will project a pattern on the
alignment screen 100 mm (4 in.) below the fog lamp
centerline and straight ahead (Fig. 3). Rotate the
adjustment screw to adjust beam height (Fig. 4).
8L - 6 LAMPS DN
SERVICE PROCEDURES (Continued)
Fig. 3 Fog Lamp Alignment --Typical
SPECIAL TOOLS
SPECIAL TOOLS--HEADLAMP ALIGNMENT
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