TM 5-5420-226-20-1 Symptom-57 DETAILED TROUBLESHOOTING PROCEDURE ( ( + SUPPORT SYSTEM -  VEHICLE LIGHTING (Continued) ~Checkforelectrical poweratmastercontrol paneiac- cessories harness (CKT38) panel    connector. Technician (Operator’s Station) .0 l l l l l l Set-MASTER BATTERY switch OFF. Reconnect basket-control panel accessories harness connector (CKT 38)  to  variable resistor lead   connector. Displace master control panel (page 10-33). Disconnect basket-control panel accessories harness connector from master controi panel. Connect redprobe ofmeter to   contact B(CKT38)of master controi panel accessories harness panel connector and    black probe to   ground. Set   MASTER BATTERY switch ON. Check if  meter indicates 18  to   30   volts    dc. Does    meter indicate 18  to   30   volts    dc? l l l l l Inspect   basket-control panel accessories    harness   for “bent/broken   connector contacts   or  loose   CKT  38 wire    at   rear    of   connectors. Repair connectors if defective (page 10-298). If  connectors are   not defective, notify support maintenance of   a  defective basket-control panel accessories harness. Install    basket-control panel accessories harness to master control panel. Install  master   control   panel (page   10-33). aYES IONTACT B (CKT   38) _._liF( OA  OJ so Q 0“ o~ o“ co OM OF OD OE C===i x— ,:—1 , -. — .- -’7:1 MASTER CONTROL PANEL (REAR    VIEW) r^{Repiacemaster    controi    panel   ac-} cessories harness (page 10-91). TA107281 4-592