TM-9-2320-365-20-1 LMTV Unit Maintenance Manual M1078 Series - Volume 1 Download
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1. KNOWN INFO TEST OPTIONS NO YES WARNING CAUTION Read WARNING and CAUTION on following page. Voltage Test or STE/ICE-R Test #89 POSSIBLE PROBLEMS Troubleshoot trailer electrical system per trailer technical manual. Go to step 2 of this fault. Towing vehicle left stop/turn light OK. Circuit breaker CB43 OK. Faulty trailer electrical system. Faulty dashboard cable assembly. Faulty relay K30. Faulty rear lights cable assembly. Faulty rear intervehicular 24 VDC (12 pin) cable. Is 24 VDC present at connector J130 socket B? e64. TRAILER LEFT STOP/TURN LIGHT DOES NOT ILLUMINATE INITIAL SETUP Equipment Condition Engine shut down (TM 9-2320-365-10). Personnel Required (2) Material/Parts Wire, Elect, 50 ft (Item 77, Appendix D) Tools and Special Tools Tool Kit, Genl Mech (Item 44, Appendix C) STE/ICE-R (Item 39, Appendix C) Multimeter, Digital (Item 22, Appendix C) References TM 9-4910-571-12&P TM 9-2320-365-20-1 2-770 Change 1 Perform Electrical System Troubleshooting e1. Circuit Breaker Does Not Operate on circuit breaker CB43 prior to beginning this task. START NOTE REASON FOR QUESTION If 24 VDC is present, trailer electrical system is faulty.