TM  5-5420-226-20-1 .- Symptom-1 DETAILED TROUBLESHOOTING PROCEDURE VEHICLE OPERATION -   POWERPLANT, STARTING (Continued) . I Check at   master control panel    accessories harness connector (CKT    14)  for   electrical power. First Technician (Operator’s Station) l   Set   MASTER BATTERY switch OFF. Second Technician (Commander’s Sta[ion) l   Install    front   accessory    harness    connector at   bulkhead disconnect (page 10-270). l   Install    btisket-control panel    accessories harness connector at   basket    disconnect (page 10-270). First Technician (Operator’s Station) l   Displace    master    control panel (page 10-33). “ l   Disconnect basket-control panel    accessories harness connector (CKT 14)  at   master control panel, l   Connect red   probe    of   meter to  contact J  (CKT 14)  of master    control panel   accessories harness connector and black    probe    to   ground. l   Set   MASTER BATTERY switch ON. l   Press    and    release    STARTER switch, l   Check    if  meter    indicates 18  to  30  volts   dc  when   starter switch is  pressed. Does    meter indicate 18  to   30  volts    dc? \ m 0- 11 + 0 II TO   VEHICLE GROUND OA OE  or) CONTACT J F“ Ou    OC (CKT    14) ON OL ‘o oK    oB OJ   OA W5 w MASTER CONTROL PANEL (REAR VIEW) ) l   Inspect basket-control panel accessories harness for   bent/ broken connector contacts or loose    CKT    14  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-control panel accessories harness. l   Connect basket-control panel accessories harness connector to   master control panel. l   Install    master    control panel (page 10-33). CONTACT TA1068OO 4-111