LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Jeep >> 2004 >> Wrangler L6-4.0L VIN S >> Repair and Diagnosis >> Body and Frame >> Body Control Systems >> Body Control Module >> Testing and Inspection >> Symptom Related Diagnostic Procedures >> Electrically Heated Systems >> Rear Window Defogger Switch Indicator Inoperative
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Rear Window Defogger Switch Indicator Inoperative

Test 1 - 3:






SYMPTOM
REAR WINDOW DEFOGGER SWITCH INDICATOR LAMP INOPERATIVE

POSSIBLE CAUSES
- Fused rear window defogger relay output CKT shorted to ground
- Fuse block fuse #17
- Fused rear window defogger relay output CKT open
- Defogger switch