Dodge Dakota (ND). Manual — part 306
PARK LAMPS
NOTE: As part of the exterior lighting failsafe feature, upon ignition On the park lamps and the headlamp
low beams will illuminate regardless of the headlamp switch position if the instrument cluster cannot detect
an input from the headlamp switch, or if there is a loss of data bus communication.
CONDITION
POSSIBLE CAUSES
CORRECTION
PARK LAMP DOES NOT
ILLUMINATE
1. Faulty or missing fuse.
1. Test and replace park lamp fuse as
required.
2. Faulty or missing bulb.
2. Test and replace park lamp bulb as
required.
3. Faulty or missing relay.
3. Test and replace park lamp relay as
required.
4. Faulty ground circuit.
4. Test and repair open park lamp ground
circuit as required.
5. Faulty supply circuit.
5. Test and repair open park lamp relay
output circuit as required.
6. Faulty switch.
6. Test and replace headlamp switch as
required.
PARK LAMP DOES NOT
EXTINGUISH
1. Faulty supply circuit.
1. Test and repair shorted park lamp relay
output circuit as required.
2. Faulty relay.
2. Test and replace park lamp relay as
required.
3. Faulty switch.
3. Test and replace headlamp switch as
required.
TURN SIGNAL LAMPS
CONDITION
POSSIBLE CAUSES
CORRECTION
ONE TURN SIGNAL LAMP
DOES NOT ILLUMINATE
1. Faulty or missing bulb.
1. Test and replace turn signal bulb as
required.
2. Faulty ground circuit.
2. Test and repair open ground circuit as
required.
3. Faulty supply circuit.
3. Test and repair open right or left turn
signal circuit as required.
ALL RIGHT SIDE AND/OR ALL
LEFT SIDE TURN SIGNAL
LAMPS DO NOT FLASH
1. Faulty switch.
1. Test and replace multi-function switch as
required.
2. Faulty signal circuit.
2. Test and repair open right or left turn
signal circuit as required.
ALL RIGHT SIDE OR ALL LEFT
SIDE TURN SIGNALS FLASH
TOO RAPIDLY (MORE THAN
100 FLASHES PER MINUTE)
1. Faulty or missing bulb.
1. Test and replace faulty bulb as required.
2. Faulty ground circuit.
2. Test and repair open ground circuit as
required.
3. Faulty signal circuit.
3. Test and repair open right or left turn
signal circuit as required.
8L - 86
LAMPS/LIGHTING - EXTERIOR - SERVICE INFORMATION
ND
STANDARD PROCEDURE
FRONT LAMP AIMING
VEHICLE PREPARATION FOR LAMP ALIGNMENT
1. Check for and correct any burnt out bulbs.
2. Repair or replace any faulty, worn or damaged body or suspension components that could hinder proper lamp
alignment.
3. Verify proper tire inflation pressures.
4. Remove any accumulations of mud, snow or ice from the vehicle underbody and clean the front lamp lenses.
5. Verify that there is no load in the vehicle (cargo or passengers), except for the driver.
6. The fuel tank should be Full. Add 2.94 kilograms (6.5 pounds) of weight over the fuel tank for each estimated
gallon of missing fuel.
7. Verify correct vehicle suspension height.
LAMP ALIGNMENT SCREEN PREPARATION
The procedure that follows will prepare a suitable front lamp alignment screen.
ND
LAMPS/LIGHTING - EXTERIOR - SERVICE INFORMATION
8L - 87
1. Tape a line on a level floor 7.62 meters (25 feet) away from and parallel to the flat wall that will be used as the
lamp alignment screen. The level floor will be used as the horizontal zero reference.
2. An adjacent wall or floor member that is perpendicular to the alignment screen can be used as the vertical zero
reference. If there is no adjacent wall or floor member that is perpendicular to the screen, tape a second line on
the floor perpendicular to both the alignment screen and the first line, and outboard of either side of where the
vehicle will be positioned. This will be used as the vertical zero reference.
3. Position the vehicle so that the side of the vehicle is parallel to the vertical zero reference, and so that the front
of the lamp lenses are in the vertical plane of the parallel line taped on the floor 7.62 meters (25 feet) away from
the screen.
4. Rock the vehicle side-to-side three times to allow the suspension to stabilize.
5. Jounce the front suspension three times by pushing downward on the front bumper and releasing.
6. Measure the distance between the optical center of one of the lamps being aimed (head or fog) and the floor
(horizontal zero reference). Transfer this measurement to the alignment screen with a piece of tape placed hor-
izontally to the floor. This line will be used as the lamp horizontal reference.
7. Measure the distance between the vertical zero reference and the optical center of the nearest lamp being aimed
(head or fog). Transfer this measurement to the alignment screen with a piece of tape placed vertically across
the appropriate (head or fog) lamp horizontal reference. This is the centerline reference for the first lamp.
8. Measure the distance on center between the first and the second lamp being aimed. Transfer this measurement
to the alignment screen with a second piece of tape placed vertically across the appropriate (head or fog) lamp
horizontal reference. This is the centerline reference for the second lamp.
HEADLAMP ALIGNMENT
NOTE: Due to the linear nature of the headlamp cutoff, a properly aimed low beam headlamp will project the
top edge of the high intensity pattern on the alignment screen from the horizontal line to 50 millimeters (2
inches) below the horizontal line. No horizontal (right/left) adjustment is required for this headlamp beam
pattern. The high beam pattern will be correct when the low beams are properly aimed.
1. Turn the headlamps On and select the Low beams.
2. Open the hood and move aside the air shield (1)
from the inboard side of the front lamp unit (2) as
needed to access the headlamp vertical adjustment
screw (3).
3. Rotate the adjustment screw on each lamp to
adjust the beam height as required.
FOG LAMP ALIGNMENT
NOTE: A properly aimed front fog lamp will project a pattern on the alignment screen 100 millimeters (4
inches) below the fog lamp centerline and straight ahead of the lamp.
8L - 88
LAMPS/LIGHTING - EXTERIOR - SERVICE INFORMATION
ND
1. Turn the fog lamps On.
2. Rotate the fog lamp vertical adjustment screw (2)
on each lamp to adjust the beam height as
required.
SPECIFICATIONS
LAMPS/LIGHTING - EXTERIOR
BULB APPLICATION TABLE
LAMP
BULB
BACKUP
3157K
BRAKE
3157K
CENTER HIGH MOUNTED STOP
921
FRONT FOG
9145
FRONT PARK
3157NA
FRONT SIDE MARKER
3157NA
FRONT TURN SIGNAL
3157NA
HEADLAMP
H13
LICENSE PLATE
168
REAR PARK
3157K
REAR SIDE MARKER
3157K
REAR TAIL
3157K
REAR TURN SIGNAL
3157K
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LAMPS/LIGHTING - EXTERIOR - SERVICE INFORMATION
8L - 89
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