Daytime Running Lamp Diagnosis - Jeep Wrangler 1997 Manual

8L - 4 LAMPS
DIAGNOSIS AND TESTING (Continued)
DAYTIME RUNNING LAMP DIAGNOSIS
DAYTIME RUNNING LAMP DIAGNOSIS
TJ
CONDITION
DAYTIME RUNNING LAMPS DO
NOT WORK
POSSIBLE CAUSES
1 . Poor connection at DRL module .
2 . Parking brake engaged .
3. Parking brake circuit shorted to
ground.
4. Headlamp circuit shorted to
ground.
5. Defective DRL module .
CORRECTION
1 . Secure connector on DRL
module .
2 . Disengage parking brake.
3. Check voltage on pin 3 of
module, refer to Group 8W .
4. Check L3 circuit, refer to Group
8W.
5. Replace DRL module .