TM 9-2320-364-20-2 2-1352 22.  CLEARANCE, SIDE MARKER, AND ID LIGHT(S) DO NOT OPERATE (CONT). 6. Repair wire 1835 (see schematic Fig 2-34) or notify DS Maintenance.   Verify repair, go to Step 10 of this Fault. YES NO Taillights operate indicating   10 to 14 vdc to wire 1008. Circuit breakers CB2 and CB4   not tripped. Work lights operate indicating   10 to 14 vdc to CB2. Side marker light lamp or   LED OK. Wire 1012 OK. Side marker light OK. Circuit breaker CB2 OK. Wire 1835 faulty. Wire 1920 faulty. Relay R2 wire 1435 faulty. Clearance lights relay R2 faulty. Wire 1012 faulty. KNOWN INFO POSSIBLE PROBLEMS TEST OPTIONS REASON FOR QUESTION Voltage test. STE/ICE-R #89. If wire 1835 is loose, faulty, or shorted to ground, clearance, side marker, and ID lights will not operate. WARNING 7. Repair wire 1920 (see schematic Fig 2-34) or notify DS Maintenance. Verify repair, go to Step 10 of this Fault. YES NO Taillights operate indicating   10 to 14 vdc to wire 1008. Circuit breakers CB2 and CB4   not tripped. Work lights operate indicating   10 to 14 vdc to CB2. Side marker light lamp or   LED OK. Wire 1012 OK. Side marker light OK. Circuit breaker CB2 OK. Wire 1835 OK. Wire 1920 faulty. Relay R2 wire 1435 faulty. Clearance lights relay R2 faulty. Wire 1012 faulty. KNOWN INFO POSSIBLE PROBLEMS TEST OPTIONS REASON FOR QUESTION Voltage test. STE/ICE-R #89. If wire 1920 is loose, faulty, or shorted to ground, clearance, side marker, and ID lights will not operate. Are 10 to 14 vdc measured on wire 1835 at clearance lights relay R2, terminal 30? Are 10 to 14 vdc measured on wire 1920 at clearance lights relay R2, terminal 85? Read WARNING on Page 2-1353 WARNING Read WARNING on Page 2-1353