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 TEST OPTIONS REASON FOR QUESTION KNOWN INFO POSSIBLE PROBLEMS TEST OPTIONS REASON FOR QUESTION KNOWN INFO POSSIBLE PROBLEMS Voltage Test or STE/ICE-R Test #89 Continuity Test or STE/ICE-R Test #91 WARNING Read WARNING on following page. 9. 10. 2-1552 Change 1 e148. M1088/M1089 WORKLIGHTS DO NOT ILLUMINATE (CONT) Circuit breakers CB71, CB72, and CB74 OK. Hazard lights illuminate. Light bulb OK. Auxiliary panel cable assembly OK. Diode D2B OK. Worklights switch OK. Relay K12 OK. Circuit breakers CB71, CB72, and CB74 OK. Hazard lights illuminate. Light bulb OK. Auxiliary panel cable assembly OK. Diode D2B OK. Worklights switch OK. Relay K12 OK. Is continuity present from relay K9 terminal 85 and a known good ground? Faulty dashboard cable assembly. Faulty relay K9. If continuity is not present, wire 3039 is faulty. Faulty dashboard cable assembly. Faulty relay K9. If 12 VDC is not present, wire 1566 is faulty. Is 12 VDC present at relay K9 terminal 30? Repair wire 3039 from relay K9 terminal 85 on PDP to terminal board TB2 position 56 (para 2-45) or replace WTEC II dashboard cable assembly (para 7-10) or WTEC III dashboard cable assembly (para 7-11). YES NO NO Repair wire 1566 from relay K9 terminal 30 on PDP to circuit breaker CB71 terminal 4 (para 2-45) or replace WTEC II dashboard cable assembly (para 7-10) or WTEC III dashboard cable assembly (para 7-11). YES