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 2-722 Change 1 WARNING Read WARNING on following page. 12. Is 12 VDC present at terminal block TB1 position 27? TEST OPTIONS Voltage Test or STE/ICE-R Test #89 REASON FOR QUESTION This question eliminates possible faults and determines where troubleshooting continues. KNOWN INFO Blackout stoplights illuminate. Lamp OK. Rear lights cable assembly OK. Composite taillight assembly OK. Turn signal switch OK. Diode D1B OK. Diode D2A OK. Main light switch OK. POSSIBLE PROBLEMS Faulty dashboard cable assembly. Faulty diode D1A. Faulty relay K10. NO Go to step 17 of this fault. YES