Chrysler Vehicle User Manual page 469

8L - 6 LAMPS/LIGHTING - EXTERIOR
LAMPS/LIGHTING - EXTERIOR (Continued)
CONDITION
HEADLAMPS ARE DIM
WITH ENGINE IDLING OR
IGNITION TURNED OFF
HEADLAMP BULBS BURN
OUT FREQUENTLY
HEADLAMPS ARE DIM
WITH ENGINE RUNNING
ABOVE IDLE*
HEADLAMPS FLASH
RANDOMLY
HEADLAMPS DO NOT
ILLUMINATE LOW OR
HIGH BEAM
POSSIBLE CAUSES
1. Loose or corroded battery cables.
2. Loose or worn generator drive
belt.
3. Charging system output too low.
4. Battery has insufficient charge.
5. Battery is sulfated or shorted.
6. Poor lighting circuit ground.
7. Both headlamp bulbs faulty.
1. Charging system output too high.
2. Loose or corroded terminals or
splices in headlamp circuit.
1. Charging system output too low.
2. Poor lighting circuit ground.
3. High resistance in headlamp
circuit.
4. Both headlamp bulbs faulty.
1. Poor lighting circuit ground.
2. High resistance in headlamp
circuit.
3. Faulty headlamps switch circuit
breaker.
4. Short in headlamp circuit
4. Loose or corroded terminals or
splices in headlamp circuit.
1. No voltage to headlamps.
2. No ground at headlamps.
CORRECTION
1. Clean and secure battery cable clamps
and posts.
2. Adjust or replace generator drive belt.
3. Test and repair charging system. (Refer
to 8 - ELECTRICAL/CHARGING -
DIAGNOSIS AND TESTING)
4. Test battery state-of -charge. (Refer to 8 -
ELECTRICAL/BATTERY SYSTEM/
BATTERY - DIAGNOSIS AND TESTING)
5. Load test battery. (Refer to 8 -
ELECTRICAL/BATTERY SYSTEM/
BATTERY - DIAGNOSIS AND TESTING)
6. Test for voltage drop across ground
locations.
7. Replace both headlamp bulbs.
1. Test and repair charging system. (Refer
to 8 - ELECTRICAL/CHARGING -
DIAGNOSIS AND TESTING)
2. Inspect and repair all connectors and
splices.
1. Test and repair charging system. (Refer
to 8 - ELECTRICAL/CHARGING -
DIAGNOSIS AND TESTING)
2. Test for voltage drop across ground
locations.
3. Test amperage draw of headlamp circuit.
4. Replace both headlamp bulbs.
1. Test for voltage drop across ground
locations.
2. Test amperage draw of headlamp circuit.
Should not exceed 30 amps.
3. Replace headlamp switch. (Refer to 8 -
ELECTRICAL/LAMPS/LIGHTING -
EXTERIOR/HEADLAMP SWITCH -
REMOVAL)
Test headlamp circuit, repair as necessary.
4. Inspect and repair all connectors and
splices.
1. Repair open headlamp circuit.
2. Repair circuit ground.
TJ