TM-9-2320-365-20-1 LMTV Unit Maintenance Manual M1078 Series - Volume 1 Download
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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. TEST OPTIONS REASON FOR QUESTION Voltage Test or STE/ICE-R Test #89 NO YES 5. Go to step 6 of this fault. Is 12 VDC present at connect P74 (LH) or connector P61 (RH)? If 12 VDC is present, composite taillight assembly is faulty. WARNING CAUTION Read WARNING and CAUTION on following page. e59. ONE OR BOTH STOPLIGHTS DO NOT ILLUMINATE (CONT) Replace composite taillight assembly (para 7-32). TM 9-2320-365-20-1 2-714.2 Change 1