Backup Lamps Inoperative

Symptom:
BACKUP LAMPS INOPERATIVE

Test 1-4:

Test 5-9:

Test 10:

POSSIBLE CAUSES
- OPEN LEFT BACKUP LAMP BULB
- OPEN RIGHT BACKUP LAMP BULB
- BACKUP LAMP GROUND CIRCUIT OPEN
- BACKUP LAMP SUPPLY CIRCUIT OPEN
- FUSED IGNITION SWITCH OUTPUT CIRCUIT OPEN
- BACKUP LAMP SUPPLY CIRCUIT SHORT TO GROUND
- TRANSMISSION RANGE SENSOR
- INTERMITTENT WIRING AND CONNECTORS