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TM-9-2320-366-20-1 MTV Unit Maintenance Manual M1083 Series - Volume 1 Download

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KNOWN INFO TEST OPTIONS REASON FOR QUESTION Is continuity present from connector PX12 pin 5 to connector PX15 socket H? Continuity Test or STE/ICE-R Test #91 e48A. ALL MARKER LIGHTS DO NOT ILLUMINATE IN NORMAL MODE (CONT) If continuity is not present, wire 1575 is faulty. If continuity is present, main light switch is faulty. TM 9-2320-366-20-1 2-604.68 Change 1 7. Faulty dashboard cable assembly. Faulty main light switch. POSSIBLE PROBLEMS NO YES Repair wire 1575 from connector PX12 pin 5 to connector PX15 socket H (para 2-45) or replace WTEC II dashboard cable assembly (para 7-10) or WTEC III dashboard cable assembly (para 7-11). Replace main light switch (para 7-17). Circuit breaker CB67 OK. No marker lights illuminate. Relay K20 OK. CAUTION Read CAUTION on following page.