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 TM 9-2320-366-20-2 POSSIBLE PROBLEMS Continuity Test or STE/ICE-R Test #91 11. 2-1554 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. If continuity is not present, wire 1565 is faulty. If continuity is present, relay K9 is faulty. Repair wire 1565 from relay K9 terminal 87 on PDP to diode D2B 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 NO Faulty dashboard cable assembly. Faulty relay K9. Is continuity present from relay K9 terminal 87 to diode D2B terminal 4? Replace relay K9 (para 7-9).