TM 9--2350--292--20--10166 00--7SYSTEM WARNING LIGHT DOES NOT LIGHT WHEN MASTER SWITCH ISON OR WHEN MAIN ENGINE OIL PRESSURE IS BELOW OPERATING LEVEL-- CONTINUED0166 00CONTINUED FROM STEP KLIs continuity present?1. Reconnect harness 4W103 P1 to gaugepanel.2. Disconnect harness 3W202 connector fromengine low oil pressure switch.3. Place one multimeter lead on harness 3W202J3 pin H and other lead on engine low oilpressure switch connector socket A. Checkfor continuity.MIs continuity present?noyesRepair (WP 0290 00) orreplace (WP 0295 00)harness 3W143. Verifyfault is corrected.Replace engine lowoil pressure switch(WP 0284 00). Verifyfault is corrected.noyesRepair (WP 0290 00) orreplace (WP 0300 00)harness 3W202. Verifyfault is corrected.NIs continuity present?noyesRepair (WP 0290 00) orreplace (WP 0300 00)harness 3W202. Verifyfault is corrected.Place one multimeter lead in harness 3W143 P1socket U and other lead to ground. Check forcontinuity.Place one multimeter lead on harness 3W202J3 pin U and other lead on engine low oil pressureswitch socket B. Check for continuity.END OF TASK0166 00--7/8 blank
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