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TM-9-2320-366-20-1 MTV Unit Maintenance Manual M1083 Series - Volume 1 Download

Page 1192 of 1824

TM 9-2320-366-20-1 e52. ONE OR BOTH REAR BLACKOUT MARKER LIGHTS DO NOT ILLUMINATE (CONT) 2-638 Change 1 TEST OPTIONS NO REASON FOR QUESTION 2. KNOWN INFO WARNING Read WARNING on following page. POSSIBLE PROBLEMS Faulty rear lights cable assembly. Faulty composite taillight assembly. Faulty rear blackout marker light LED. YES Is 12 VDC present at LED socket center contact? If 12 VDC is not present, wire 24 is faulty. Repair wire 24 from LED socket center contact to splice E19 (para 2-45) or replace rear lights cable assembly (para 7-84 or para 7-104). Front blackout marker lights illuminate. One rear blackout marker light illuminates. Dashboard cable assembly OK. Voltage Test or STE/ICE-R Test #89