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Home >> Jeep >> 2003 >> Grand Cherokee 4WD V8-4.7L >> Repair and Diagnosis >> A L L Diagnostic Trouble Codes ( DTC ) >> Testing and Inspection >> Manufacturer Code Charts >> Exterior Lighting >> High Beam Headlamps Will Not Turn On

High Beam Headlamps Will Not Turn On

Test 1 - 4:




Test 5 - 10:






SYMPTOM
HIGH BEAM HEADLAMPS WILL NOT TURN ON

POSSIBLE CAUSES
- Fused high beam relay output short to ground
- High beam relay output CKT open
- Open fused B(+)
- Hugh beam relay
- Fuses
- High beam switch sense open
- High beam relay control circuit open
- BCM high beam control circuit
- BCM high beam switch sense open
- Jumper high beam switch sense to ground