TM 5-5420-226-20-1 Symptom-63 DETAILED TROUBLESHOOTING PROCEDURE SUPPORT SYSTEM -   VEHICLE LIGHTING (Continued) _.I Check master control panel accessories harness (CKT    19)   panel    connector for   electrical power. Second Technician (Operator’s Station). l   Set   MASTER BATTERY switch OFF. First Technician (Operator’s Station) l   Install basket-control panel accessories harness connector at   basket disconnect. Second Technician (Operator’s Station) l   Displace master control panel    (page 10-33). l   Disconnect basket-control panel accessories harness connector from master control panel. l   Connect    red    probe    of  meter   to   contact    D   (CKT 19)  of master control panel accessories harness panel connector and    black probe to   ground. l   Set   MASTER BATTERY switch ON. l   Check   if  meter    indicates 18  to   30   volts    dc. Does    meter indicate 18  to   30  volts    dc? m M, ,0, CONTACT D I   ~ (CKT    19) \! ( r ^..\ .- — .=, L -, MASTER CONTROL PANEL (REAR    VIEW) l l l l l Inspect basket-control panel accessories harness for   bent/ broken connector contacts or loose    CKT    19  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 connector at   basket disconnect. Install master control panel (page 10-33). - 18 . 4-629