TM 5-5420-226-20-1 Symptom-62 DETAILED TROUBLESHOOTING PROCEDURE SUPPORT SYSTEM -  VEHICLE LIGHTING (Continued) ~Che~k ba~ket.light ~~it~h harness (CKT    23)   at   the basket disconnect for   electrical power. Second Technician (Operator’s Station) l First l l l Set   MASTER BATTERY switch OFF. . Technician (Commander’s Station) Install front accessory harness connector (CKT 23)   at bulkhead disconnect (page 10-270). Displace basket-light switch harness connector (CKT 23)   at   basket disconnect. Connect red   probe    of  meter to   contact N   (CKT 23)   of basket-light switch harness connector and    black probe to   ground. Second Technician (Commander’s Station) l   Set   MASTER BATTERY switch ON. l   Press   and    hold   brake   pedal. First Technician (Commander’s Station) l   Check    if  meter   indicates 18  to   30   volts    dc   while the brake pedal is   pressed. Does    meter indicate 18  to   30   volts    dc? --3-II “m” GROUND \ CONTACT N ‘ #‘“ - (CKT    23) 1 &^.- ( I FOR   CLARITY QUADRANT ASSEMBLIES NOT    SHOWN I_{l   Inspectfront    accessory} harness for   bent/broken connector contacts or   loose CKT   23   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. . Install basket-light switch harness connector at   basket disconnect. TA10731O 4-621