TM-9-2320-366-20-2 MTV Unit Maintenance Manual M1083 Series - Volume 2 Download
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TM 9-2320-366-20-2 2-1548 Change 1 e148. M1088/M1089 WORKLIGHTS DO NOT ILLUMINATE (CONT) TEST OPTIONS REASON FOR QUESTION KNOWN INFO NO YES POSSIBLE PROBLEMS 6. Continuity Test or STE/ICE-R Test #91 Circuit breakers CB71, CB72, and CB74 OK. Hazard lights illuminate. Light bulb OK. Auxiliary panel cable assembly OK. Relay K9 OK. Diode D2B OK. Worklights switch OK. Replace relay K12 (para 7-9). Repair wire 2002 from relay K12 terminal 87 on PDP to connector J51 pin 1 (para 2-45) or replace WTEC II dashboard cable assembly (para 7-10) or WTEC III dashboard cable assembly (para 7-11). If continuity is not present, wire 2002 is faulty. If continuity is present, relay K12 is faulty. Is continuity present from relay K12 terminal 87 to connector J51 pin 1? Faulty dashboard cable assembly. Faulty relay K12.