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Light Failure Sensor

Disconnect light failure sensor 12-pin connector in trunk. Check for continuity or voltage between ground and specified terminals. See LIGHT FAILURE SENSOR TEST  table. See Fig 1. If values are as specified, replace light failure sensor. If values are not as specified, check and repair wiring harness as necessary. See appropriate wiring diagram in WIRING DIAGRAMS .

LIGHT FAILURE SENSOR TEST

Terminal Condition Value
1 Always Continuity
2 Always Continuity
3 Always Continuity
5 Always Continuity
9 Always Continuity
11 Always Continuity
3 Light Control Switch Off Zero Volts
" Head Or Tail Lights On Battery Voltage
4 Ignition; Lock Or ACC Zero Volts
" Ignition On Battery Voltage
7 Stoplight Switch Off Zero Volts
" Stoplight Switch On Battery Voltage
8 Ignition; Lock Or ACC Zero Volts
" Ignition On Battery Voltage
Fig 1: Light Failure Sensor Wiring Harness Connector Terminals Id
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