TM-9-2320-365-20-1 LMTV Unit Maintenance Manual M1078 Series - Volume 1 Download

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e59. ONE OR BOTH STOPLIGHTS DO NOT ILLUMINATE (CONT) TM 9-2320-365-20-1 2-712 Change 1 WARNING Read WARNING on following page. Is 12 VDC present at stoplight lamp socket center contact? 3. TEST OPTIONS Voltage Test or STE/ICE-R Test #89 REASON FOR QUESTION This question eliminates possible problems and determines where troubleshooting continues. KNOWN INFO Blackout stoplights illuminate. Main light switch OK. Diode D1A OK. Relay K10 OK. Lamp OK. POSSIBLE PROBLEMS Faulty rear lights cable assembly. Faulty composite taillight assembly. Faulty turn signal switch. Faulty dashboard cable assembly. Faulty diode D1B. Faulty diode D2A. NO Go to step 5 of this fault. YES