TM-9-2320-366-20-1 MTV Unit Maintenance Manual M1083 Series - Volume 1 Download
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TEST OPTIONS REASON FOR QUESTION KNOWN INFO Continuity Test or STE/ICE-R Test #91 10. POSSIBLE PROBLEMS Faulty rear lights cable assembly. Faulty REVERSE WARNING relay in WTEC II VIM. Faulty WTEC II transmission ECU pushbutton shift selector. If continuity is not present, wire 490 in rear lights cable assembly is faulty. e55. BACKUP LIGHT DOES NOT ILLUMINATE (CONT) 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 II transmission controls. WTEC II cab transmission harness OK. WTEC II dashboard cable assembly OK. CAUTION Read CAUTION on following page. Is continuity present from connector P51 socket 2 to connector P87? TM 9-2320-366-20-1 2-688 Change 1 NO Repair wire 490 from connector P51 socket 2 to connector P87 (para 2-45) or replace rear lights cable assembly (para 7-84 or 7-104). YES