Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Dodge Dakota 2000-2001.2003.2005 Approved Dodge Dakota 2000 00AN_8L
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AN LAMPS 8L - 1
LAMPS
TABLE OF CONTENTS
page page
LAMP SYSTEMS . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 LAMP SERVICE. . . . . . . . . . . . . . . . . . . . . . . . . . . 14
LAMP DIAGNOSIS . . . . . . . . . . . . . . . . . . . . . . . . . 3 LAMP SYSTEMS . . . . . . . . . . . . . . . . . . . . . . . . . . 18
HEADLAMP ALIGNMENT . . . . . . . . . . . . . . . . . . . . 7 BULB APPLICATION . . . . . . . . . . . . . . . . . . . . . . . 19
LAMP BULB SERVICE . . . . . . . . . . . . . . . . . . . . . 11
LAMP SYSTEMS
TABLE OF CONTENTS
page page
DESCRIPTION AND OPERATION SAFETY PRECAUTIONS . . . . . . . . . . . . . . . . . . . . 2
LAMP SYSTEMS . . . . . . . . . . . . . . . . . . . . . . . . . . 1
DESCRIPTION AND OPERATION OPERATION
The headlamp switch has an off position, a parking
LAMP SYSTEMS lamp position, and a headlamp on position. High
Each vehicle is equipped with various lamp assem- beams are controlled by the multifunction switch on
blies. A good ground is necessary for proper lighting the steering column. The headlamp switch cannot be
operation. Grounding is provided through a separate repaired, it must be replaced. Refer to Group 8E for
ground wire. removal and installation procedures, and Group 8W
for circuit information.
HEADLAMPS
TAIL/TURN SIGNAL/STOP/BACK-UP LAMP
DESCRIPTION
Headlamps on the Dakota are modular units. Each DESCRIPTION
unit contains a headlamp module, a dual filament The rear tail lamp modules are mounted on the
replaceable bulb, and parking lamp and turn signal truck bed, outboard of the tailgate, and molded into
bulbs. the lines of the vehicle. Each module contains two
bulbs, a lens, and a housing. One bulb is a two fila-
OPERATION ment bulb used for tail, stop, and turn signal func-
The headlamps are controlled by the headlamp tions. The other bulb is a single filament bulb used
switch and the multifunction switch. Each headlamp for back-up light illumination.
unit can be serviced individually.
OPERATION
HEADLAMP SWITCH Each tail lamp module can be serviced separately.
Each bulb can also be serviced separately. The head-
DESCRIPTION lamp switch controls tail lamp operation. The multi-
The headlamp switch is located on the instrument function switch controls turn signal operation, and
panel. The headlamp switch controls the parking the back-up light switch controls the back-up light
lamps, the headlamps, the interior lamps, and operation. The brake lamp switch controls the stop
instrument cluster illumination. The headlamp lamp function.
switch also contains a rheostat for controlling the
illumination level of the instrument cluster lamps.
8L - 2 LAMPS AN
DESCRIPTION AND OPERATION (Continued)
FRONT TURN SIGNAL/PARKING LAMP OPERATION
The headlamps are illuminated when the ignition
DESCRIPTION switch is turned to the ON position. The DRL module
The front turn signal/parking lamp is incorporated receives a vehicle-moving signal from the vehicle
in the headlamp module. The bulbs are serviceable speed sensor. This provides a constant head-
separately. lamps-on condition as long as the vehicle is moving.
The lamps are illuminated at less than 50 percent of
OPERATION normal intensity.
. The parking light function is controlled by the
headlamp switch located on the instrument panel. SAFETY PRECAUTIONS
The turn signal function is controlled by the multi-
function switch located on the steering column. Each WARNING: EYE PROTECTION SHOULD BE USED
front turn signal/parking lamp module can be ser- WHEN SERVICING GLASS COMPONENTS. PER-
viced separately. SONAL INJURY CAN RESULT.
CHMSL LAMP (CENTER HIGH MOUNTED STOP
CAUTION: Do not touch the glass of halogen bulbs
LAMP)
with fingers or other possibly oily surface, reduced
DESCRIPTION bulb life will result.
Do not use bulbs with higher candle power than
The center high mounted stop lamp (CHMSL) is
indicated in the Bulb Application table at the end of
mounted above the cab rear window, below the roof.
this group. Damage to lamp and/or Daytime Run-
The module consists of a single filament bulb, a lens,
ning Lamp Module can result.
and a housing.
Do not use fuses, circuit breakers or relays hav-
OPERATION ing greater amperage value than indicated on the
fuse panel or in the Owners Manual.
CHMSL operation is controlled by the brake lamp
switch. When it is necessary to remove components to ser-
vice another, it should not be necessary to apply
DAYTIME RUNNING LAMPS excessive force or bend a component to remove it.
Before damaging a trim component, verify hidden
DESCRIPTION
fasteners or captured edges are not holding the com-
The Daytime Running Lights (Headlamps) System
ponent in place.
is installed on vehicles manufactured for sale in Can-
ada only. A separate module, mounted on the cowl,
controls the DRL.
AN LAMPS 8L - 3
LAMP DIAGNOSIS
TABLE OF CONTENTS
page
DIAGNOSIS AND TESTING
SYSTEM DIAGNOSIS . . . . . . . . . . . . . . . . . . . . . . 3
DIAGNOSIS AND TESTING when it comes in contact with the metal body, or
through a separate ground wire.
SYSTEM DIAGNOSIS Always begin any diagnosis by testing all of the
A good ground is necessary for proper lighting fuses and circuit breakers in the system. Refer to
operation. Grounding is provided by the lamp socket Group 8W, Wiring Diagrams.
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.
8L - 4 LAMPS AN
DIAGNOSIS AND TESTING (Continued)
CONDITION POSSIBLE CAUSES CORRECTION
4. Loose or corroded terminals or 4. Inspect and repair all connectors and
splices in circuit. splices, refer to Group 8W.
HEADLAMPS (HIGH & 1. No voltage at either headlamp. 1. Voltage should always be present. Trace
LOW) DO NOT short circuit and replace BOTH headlamp
ILLUMINATE fuses. Refer to Group 8W. Check wiring
circuit from Right headlamp fuse to
headlamp. (Repeat for Left side)
2. No ground for high and low beam 2. Ground should always be present
circuit. according to switch position. Check ground
at headlamp switch. Check wiring circuit
from headlamp switch to Multifunction
switch. Check headlamp switch and
Multifunction switch continuity. Repair circuit
ground, refer to Group 8W.
3. Headlamp bulb(s) defective. 3. Replace bulb(s).
4. Faulty headlamp switch. 4. Replace headlamp switch.
5. Faulty headlamp dimmer 5. Replace Multifunction switch.
(Multifunction) switch.
6. Broken connector terminal or wire 6. Repair connector terminal or wire splice.
splice in headlamp circuit.
HEADLAMPS (LOW 1. No ground for low beam circuit. 1. Ground should be present according to
BEAM) DO NOT Multifunction switch position. Check wiring
ILLUMINATE. circuit from Multifunction switch to
headlamp. Trace open circuit in wiring and
repair. Refer to Group 8W.
Check Multifunction Switch for continuity.
HEADLAMPS (HIGH 1. No ground for high beam circuit. 1. Ground should be present according to
BEAM) DO NOT Multifunction switch position. Check wiring
ILLUMINATE. circuit from Multifunction switch to
headlamp. Trace open circuit in wiring and
repair. Refer to Group 8W.
Check Multifunction Switch for continuity.
HEADLAMPS (LOW 1. Low beam circuit from bulb to 1. Ground should be present according to
BEAM) ALWAYS Multifunction switch is shorted to Multifunction switch position. Check wiring
ILLUMINATE AND CAN ground. circuit from Multifunction switch to
NOT BE SHUT OFF. headlamp. Trace short circuit in wiring and
repair. Refer to Group 8W.
HEADLAMPS (HIGH 1. High beam circuit from bulb to 1. Ground should be present according to
BEAM) ALWAYS Multifunction switch is shorted to Multifunction switch position. Check wiring
ILLUMINATE AND CAN ground. circuit from Multifunction switch to
NOT BE SHUT OFF. headlamp. Trace short circuit in wiring and
repair. Refer to Group 8W.
HEADLAMP SWITCH OFF 1. Headlamp switch feed circuit 1. Check wiring circuit from right headlamp
HEADLAMPS AND shorted to ground. fuse to headlamp. Repeat for left side.
HIGHBEAM INDICATOR Trace short circuit in wiring and repair.
REMAIN ON AND ARE Refer to Group W.
DIM.
AN LAMPS 8L - 5
DIAGNOSIS AND TESTING (Continued)
CONDITION POSSIBLE CAUSES CORRECTION
HEADLAMP SWITCH ON 1. Headlamp feed circuit shorted to 1. Check wiring circuit from right headlamp
(LOW BEAMS ON), ONE ground. fuse to headlamp. Repeat for left side.
LOW BEAM ON AND Trace short circuit in wiring and repair.
BOTH HIGH BEAMS DIM. Refer to Group W.
HEADLAMP SWITCH ON 1. Headlamp feed circuit shorted to 1. Check wiring circuit from right headlamp
(HIGH BEAMS ON), ONE ground. fuse to headlamp. Repeat for left side.
HIGH BEAM ON AND Trace short circuit in wiring and repair.
BOTH LOW BEAMS DIM. Refer to Group W.
HEADLAMP SWITCH ON, 1. Defective headlamp fuse. 1. Trace short circuit and replace fuse.
ONE HEADLAMP Refer to Group 8W.
FILAMENT WILL BE AT
FULL INTENSITY AND ALL
OTHER FILAMENTS ARE
ON AND DIM.
2. Open circuit from headlamp fuse 2. Repair open headlamp circuit, refer to
to headlamp. Group 8W.
1. HEADLAMPS STAY ON 1. Failed DRLM 1. Replace DRLM.
WITH KEY OUT (DRLM
EQUIPPED VEHICLES).
*Canada vehicles must have lamps ON.
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.
8L - 6 LAMPS AN
DIAGNOSIS AND TESTING (Continued)
CONDITION POSSIBLE CAUSES CORRECTION
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.
FOG LAMPS ARE 1. Fog lamp/DRL* feed shorted to 1. Check wiring circuit from fog lamp/DRL*
INOPERATIVE AND FOG ground. fuse to fog lamp. Trace short circuit in
LAMP INDICATOR LIGHT wiring and repair. Refer to Group 8W.
ALWAYS STAYS ON.
FOG LAMPS ARE 1. Fog lamp/DRL* fuse defective. 1. Trace short circuit and replace fuse.
INOPERATIVE AND FOG Refer to Group 8W.
LAMP INDICATOR LIGHT
IS ILLUMINATED.
2. Open circuit from fog lamp fuse to 2. Check wiring circuit from fog lamp/DRL*
fog lamp. fuse to fog lamp. Trace open circuit in
wiring and repair. Refer to Group 8W.
PARK LAMPS ARE 1. Park lamp feed is shorted. 1. Check wiring circuit from park lamp fuse
INOPERATIVE. FOG LAMP to headlamp switch. Trace short circuit in
INDICATOR IS ON WHEN wiring and repair. Refer to Group 8W.
ALL SWITCHES ARE OFF
AND FUNCTIONS
OPPOSITE TO FOG
LAMPS.
PARK LAMPS ARE 1. Park lamp fuse is defective. 1. Trace short circuit and replace fuse.
INOPERATIVE. FOG LAMP Refer to Group 8W.
INDICATOR FUNCTIONS
OPPOSITE TO FOG
LAMPS.
2. Open circuit from park lamp fuse 2. Check wiring circuit from park lamp fuse
to headlamp switch. to headlamp switch. Trace open circuit in
wiring and repair. Refer to Group 8W.
*Canada vehicles use Daytime Running Lamps (DRL).
AN LAMPS 8L - 7
HEADLAMP ALIGNMENT
TABLE OF CONTENTS
page page
ADJUSTMENTS HEADLAMP ALIGNMENT . . . . . . . . . . . . . . . . . . . . 7
HEADLAMP ALIGNMENT . . . . . . . . . . . . . . . . . . . . 7 FOG LAMP ALIGNMENT . . . . . . . . . . . . . . . . . . . . 9
LAMP ALIGNMENT SCREEN PREPARATION . . . . . 7 SPECIAL TOOLS
VEHICLE PREPARATION FOR HEADLAMP HEADLAMP ALIGNMENT . . . . . . . . . . . . . . . . . . . 10
ALIGNMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
ADJUSTMENTS side of vehicle centerline. Use these lines for left/
right adjustment reference.
HEADLAMP ALIGNMENT
Headlamps can be aligned using the screen method
provided in this section. Alignment Tool C-4466-A or VEHICLE PREPARATION FOR HEADLAMP
equivalent can also be used. Refer to instructions ALIGNMENT
provided with the tool for proper procedures. (1) Verify headlamp dimmer switch and high beam
indicator operation.
LAMP ALIGNMENT SCREEN PREPARATION (2) Correct defective components that could hinder
(1) Position vehicle on a level surface perpendicu- proper headlamp alignment.
lar to a flat wall 7.62 meters (25 ft) away from front (3) Verify proper tire inflation.
of headlamp lens (Fig. 1). (4) Clean headlamp lenses.
(2) If necessary, tape a line on the floor 7.62 (5) Verify that luggage area is not heavily loaded.
meters (25 ft) away from and parallel to the wall. (6) Fuel tank should be FULL. Add 2.94 kg (6.5
(3) Measure from the floor up 1.27 meters (5 ft) lbs.) of weight over the fuel tank for each estimated
and tape a line on the wall at the centerline of the gallon of missing fuel.
vehicle. Sight along the centerline of the vehicle
(from rear of vehicle forward) to verify accuracy of HEADLAMP ALIGNMENT
the line placement. A properly aimed low beam headlamp will project
(4) Rock vehicle side-to-side three times to allow top edge of high intensity pattern on screen from 50
suspension to stabilize. mm (2 in.) above to 50 mm (2 in.) below headlamp
(5) Jounce front suspension three times by pushing centerline. The side-to-side outboard edge of high
downward on front bumper and releasing. intensity pattern should be from 50 mm (2 in.) left to
(6) Measure the distance from the center of head- 50 mm (2 in.) right of headlamp centerline (Fig. 1).
lamp lens to the floor. Transfer measurement to the The preferred headlamp alignment is 1" down
alignment screen (with tape). Use this line for for the up/down adjustment and 0 for the left/
up/down adjustment reference. right adjustment. The high beam pattern should be
(7) Measure distance from the centerline of the correct when the low beams are aligned properly.
vehicle to the center of each headlamp being aligned. To adjust low beam headlamp, rotate alignment
Transfer measurements to screen (with tape) to each screws (Fig. 2) to achieve the specified aim.
8L - 8 LAMPS AN
ADJUSTMENTS (Continued)
Fig. 1 Headlamp Alignment Screen
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