TM 9-2330-267-14&PTable 4-2. Organizational Troubleshooting.MALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTIONELECTRICAL SYSTEMNOTEFor all lamps which will not light, check continuity of lamp filament. Replace lamp Ifcheck shows a burned-out filament. If lamp Is good, continue troubleshooting.1.ALL LAMPS FAIL TO LIGHT.Step 1.Check to see if intervehicular cable(2) is properly connected to towingvehicle socket (3).If intervehicular cable (2) is notconnected or loose, plugintervehicular cable into tow-ing vehicle socket (3) andsecure with latch (1).Step 2.Using towing vehicle technical main-tenance manual, troubleshoot tow-ing vehicle electrical system to en-sure that correct voltage is present intowing vehicle socket (3).Correct towing vehicle wiring(see towing vehicle technicalmaintenance manual).2.TAILLIGHT WILL NOT LIGHT.Step 1.Using troubleshooting procedures in towing vehicle technical manual, perform tests to ensure 24volts are present in towing vehicle socket (3).Correct towing vehicle wiring, (see towing vehicle technical maintenance manual).Step 2.Check intervehicular cable (2) for corrosion or frayed spots, cuts, and proper connection.Clean all contact pins (4) with abrasive cloth (Item 6, Appendix E); plug intervehicular cable(2) into towing vehicle socket (3), ensuring that it is secure. Replace intervehicular cable ifneeded (para 4-27).If taillight does not light, go to step 3.TA5069904-10
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business
