TM-9-2320-365-20-1 LMTV Unit Maintenance Manual M1078 Series - Volume 1 Download
Page 938 of 1760
1. KNOWN INFO TEST OPTIONS WARNING Read WARNING on following page. REASON FOR QUESTION YES NO Voltage Test or STE/ICE-R Test #89 Is 12 VDC present at relay circuit breaker CB67 socket 3? If 12 VDC is present, wire 1912 is faulty. Go to step 2 of this fault. Circuit breaker CB67 OK. No marker lights illuminate. POSSIBLE PROBLEMS Faulty dashboard cable assembly. Faulty main light switch. Faulty relay K20. INITIAL SETUP Equipment Conditions Engine shut down (TM 9-2320-365-10). Personnel Required (2) e47A. ALL MARKER LIGHTS DO NOT ILLUMINATE IN NORMAL MODE Tools and Special Tools Tool Kit, Genl Mech (Item 44, Appendix C) STE/ICR-R (Item 39, Appendix C) Multimeter, Digital (Item 22, Appendix C) References TM 9-4910-571-12&P Repair wire 1912 from circuit breaker CB67 socket 3 to terminal board TB1 position 26 (para 2-40) or replace WTEC II dashboard cable assembly (para 7-10) or WTEC III dashboard cable assembly (para 7-11). TM 9-2320-365-20-1 2-584.52 Change 1 NOTE Perform Electrical System Troubleshooting e1. Circuit Breaker Does Not Operate on circuit breaker CB67 prior to beginning this task. START