TM 5-5420-226-20-1 ( Symptom-63 T DETAILED TROUBLESHOOTING PROCEDURE SUPPORT SYSTEM -  VEHICLE LIGHTING ,! (Continued) ,* Qj$?& a :: -, %?!9 ... l . . - , 1,,, - . ‘-’ Check basket-control panel    accessories harness (CKT 14)   at   basket disconnect for   electrical power. Second Technician (Operator’s Station) l   Set    MASTER BATTERY switch OFF. l   Connect   connector (CKT 19) of  front   accessory harness to   headlight base    harness. First Technician (Commander’s Station) l   Displace   basket-control panel   accessories harness (CKT 19)   from basket disconnect. l   Connect red   probe    of   meter to   contact D   (CKT 19)  of basket-control panel   accessories harness connector and black probe to   ground. Second Technician (Operator’s Station) l   Set   MASTER BATTERY switch ON. First Technician (Commander’s Station) l   Check    if  meter    indicates 18  to   30   volts    dc. Does    meter indicate 18  to   30   volts    dc? m GROUND // o 0 0^{OAOJ~oQchC)LONcoOFAOF}_OD@ o 0 CONTACT D BASKET DISCONNECTS (CKT    19) ( F&--’l l   Inspect frent    accessory harness for   bent/broken connector contacts or   loose CKT    19  wire    at   rear   of connectors. l   Repair    connectors if  defective (page 10-298). l   If   connectors are   not defective, notify support maintenance of   a  defective front    accessory harness. l   instali    basket-controi panel accessories harness connector at   basket disconnect. TA107317 4-628 .