TM-9-2320-366-20-1 MTV Unit Maintenance Manual M1083 Series - Volume 1 Download
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TM 9-2320-366-20-1 2-786 Change 1 e65. TRAILER MARKER/TAILLIGHTS DO NOT ILLUMINATE NOTE Perform Electrical System Troubleshooting e1. Circuit Breaker Does Not Operate on circuit breaker CB41 prior to beginning this task. START KNOWN INFO TEST OPTIONS WARNING CAUTION Read WARNING and CAUTION on following page. Voltage Test or STE/ICE-R Test #89 Troubleshoot trailer electrical system per trailer technical manual. Faulty trailer electrical system. Faulty dashboard cable assembly. Faulty relay K28. Faulty rear lights cable assembly. Faulty rear intervehicular 24 VDC (12 pin) cable. Is 24 VDC present at connector J130 socket E? Towing vehicle marker/taillights OK. Circuit breaker CB41 OK. NO Go to step 2 of this fault. YES INITIAL SETUP Equipment Condition Engine shut down (TM 9-2320-366-10-1). Tools and Special Tools Tool Kit, Genl Mech (Item 46, Appendix C) STE/ICE-R (Item 41, Appendix C) Multimeter, Digital (Item 22, Appendix C) Material/Parts Wire, Elect, 50 ft (Item 71, Appendix D) Personnel Required (2) References TM 9-4910-571-12&P If 24 VDC is present, trailer electrical system is faulty. REASON FOR QUESTION POSSIBLE PROBLEMS 1.