TM-9-2320-365-20-1 LMTV Unit Maintenance Manual M1078 Series - Volume 1 Download
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e60. ONE OR BOTH BLACKOUT STOPLIGHTS DO NOT ILLUMINATE (CONT) TM 9-2320-365-20-1 2-734 Change 1 WARNING CAUTION Read WARNING and CAUTION on following page. 4. Is 12 VDC present at connector P77 (LH) or connector P63 (RH)? TEST OPTIONS Voltage Test or STE/ICE-R Test #89 REASON FOR QUESTION If 12 VDC is not present, wire 23 is faulty. If 12 VDC is present, composite taillight assembly is faulty. KNOWN INFO Stoplights illuminate in normal mode. Dashboard cable assembly OK. Main light switch OK. Lamp OK. POSSIBLE PROBLEMS Faulty rear lights cable assembly. Faulty composite taillight assembly. NO Repair wire 23 from connector P77 (LH) or connector P63 (RH) to splice E18 (para 2-40) or replace rear lights cable assembly (para 7-75). YES Replace composite taillight assembly (para 7-32).