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LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Position Sensor/Switch: Testing and Inspection

DIAGNOSIS AND TESTING

LOCKER INDICATOR SWITCH
1. Turn ignition switch off.





2. Disconnect locker indicator switch harness (Fig. 27) from the differential housing.
3. Measure electrical continuity across the switch terminals. Circuit should be closed (zero resistance).

NOTE: If circuit is not closed remove differential and replace locker indicator switch.