TM-9-2320-365-20-1 LMTV Unit Maintenance Manual M1078 Series - Volume 1 Download
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e70. INTERVEHICLE STOPLIGHTS DO NOT ILLUMINATE TM 9-2320-365-20-1 2-816 Change 1 INITIAL SETUP Equipment Condition Engine shut down (TM 9-2320-365-10). 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 Ties, Cable, Plastic (Item 69, Appendix D) Personnel Required (2) References TM 9-4910-571-12&P START WARNING CAUTION Read WARNING and CAUTION on following page. 1. KNOWN INFO TEST OPTIONS Voltage Test or STE/ICE-R Test #89 REASON FOR QUESTION POSSIBLE PROBLEMS Towing vehicle stoplights illuminate. Faulty towed vehicle. Faulty dashboard cable assembly. Faulty rear lights cable assembly. Faulty rear intervehicular 12 VDC (7 pin) cable. Is 12 VDC present at connector J95 pin 4? If 12 VDC is present, towed vehicle is faulty. NO Go to step 2 of this fault. YES Perform Electrical System Troubleshooting e59. One or Both Stoplights Do Not Illuminate, if towed vehicle is FMTV. If towed vehicle is not FMTV, refer to towed vehicle TM for troubleshooting procedures.