TM-9-2320-366-20-2 MTV Unit Maintenance Manual M1083 Series - Volume 2 Download
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TEST OPTIONS REASON FOR QUESTION KNOWN INFO NO YES TM 9-2320-366-20-2 e148. M1088/M1089 WORKLIGHTS DO NOT ILLUMINATE (CONT) 3. 2-1544 Change 1 POSSIBLE PROBLEMS Voltage Test or STE/ICE-R Test #89 WARNING Read WARNING on following page. If 12 VDC is not present, wire 1673 is faulty. Is 12 VDC present at relay K12 terminal 86? 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. Faulty dashboard cable assembly. Faulty relay K12. Repair wire 1673 from relay K12 terminal 86 on PDP to connector J913 pin 1 (para 2-45) or replace WTEC II dashboard cable assembly (para 7-10) or WTEC III dashboard cable assembly (para 7-11).