TM-9-2320-366-20-1 MTV Unit Maintenance Manual M1083 Series - Volume 1 Download
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TM 9-2320-366-20-1 e61. ONE OR BOTH STOPLIGHTS DO NOT ILLUMINATE (CONT) 2-754 Change 1 KNOWN INFO TEST OPTIONS 12. POSSIBLE PROBLEMS 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. Faulty dashboard cable assembly. Faulty diode D1A. Faulty relay K10. WARNING Read WARNING on following page. Voltage Test or STE/ICE-R Test #89 NO YES Go to step 17 of this fault. This question eliminates possible problems and determines where troubleshooting continues. REASON FOR QUESTION Is 12 VDC present at terminal block TB1 position 27?