TM-9-2320-366-20-1 MTV Unit Maintenance Manual M1083 Series - Volume 1 Download
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e55. BACKUP LIGHT DOES NOT ILLUMINATE (CONT) TM 9-2320-366-20-1 2-696 Change 1 TEST OPTIONS REASON FOR QUESTION KNOWN INFO Continuity Test or STE/ICE-R Test #91 POSSIBLE PROBLEMS Faulty WTEC III relay K25. Faulty WTEC III dashboard cable assembly. Faulty rear lights cable assembly. Faulty WTEC III transmission ECU. 14. If continuity is not present, wire 146 is faulty. Circuit breaker CB70 OK. Circuit breaker CB73 OK. Both turn signals illuminate. Engine starts. Transmission reverse (R) range OK. Backup light lamps OK. Backup light assembly OK. WTEC III transmission controls. Is continuity present from WTEC III relay K34 terminal 86 to WTEC III relay K25 terminal 86? NO Repair wire 146 from WTEC III relay K34 terminal 86 to WTEC III relay K25 terminal 86 (para 2-45) or replace WTEC III dashboard cable assembly (para 7-11). YES