TM 5-5420-226-20-1 ( Symptom-58 DETAILED TROUBLESHOOTING PROCEDURE T SUPPORT SYSTEM -  VEHICLE LIGHTING (Continued) & disconnect for   electrical power. 1 First Technw]an (Operator’s Station) l   Set    MASTER BATTERY switch OFF, Second Technician (Commander’s Station) l   Disconnect front accessory harness connector (CKT 40)   from basket-indicator panel harness connector at basket disconnect. l   Connect red   probe    of  meter to   contact B  (CKT 40)   of front accessory harness connector and    black probe to ground, First Technician (Operator’s Station) 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 \ w, BASKET DISCONNECT- =p’_...’_.+-’i + CONTACT ( l   Inspect basket-indicator panel harness for   bent/ broken connector contacts or   loose CKT   40   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 basket-indicator panel harness. l   Install    gage    instrument panel (page 10-112). TA107285 4-596