TM-9-2320-366-20-1 MTV Unit Maintenance Manual M1083 Series - Volume 1 Download
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e3. 12 VDC AND 24 VDC CIRCUITS DO NOT OPERATE (CONT) TEST OPTIONS KNOWN INFO 7. NO Is continuity present from terminal lug TL56 to terminal lug TL57? Circuit breakers CB70 OK. Battery(ies) OK. Cab to chassis ground strap OK. POSSIBLE PROBLEMS Faulty PDP to cab ground cable. Faulty dashboard cable assembly. Replace PDP to cab ground cable (para 7-126). YES Repair wire 1603 from terminal X3 on PDP to terminal board TB2 position 1 on PDP (para 2-45) or replace WTEC II dashboard cable assembly (para 7-10) or WTEC III dashboard cable assembly (para 7-11). REASON FOR QUESTION If continuity is not present, PDP to cab ground cable is faulty. If continuity is present, wire 1603 is faulty. Continuity Test or STE/ICE-R Test #91 TM 9-2320-366-20-1 2-266.10 Change 1