TM 5-5420-226-20-1 Symptom-73 DETAILED TROUBLESHOOTING PROCEDURE T SUPPORT SYSTEM -   PERSONNEL HEATER (Continued) . 1 Check   basket-control panel   heater    harness    connector (CKT   402)   at   basket disconnect for   electrical power. Swond   Technician (Operator”i Station) l   Set   PERSONNEL HEATER HI/LO switch OFF. l   Connect    basket-control panel    heater harness connector to   master control panel    connector. l   Install    master    control panel (page 1O-33). First Technician (Commander’s Station) l   Displace   bmket-control ptinel   heater harness connector (CKT 402)    from basket disconnect. l   Connect    red   probe    of  meter    to  contact    C  (CKT    402)   of basket-control panel   heuter    harness    connector and   black probe to   ground. Second Technician (Operator’s Station) l   Set   PERSONNEL HEATER HI/LO switch ON-HI. First Technician (Commander’s Station) l   Check   if   meter    indicates 18-30   volts    CIC. Does    meter indicate 18-30   volts    dc? m 1 GROUND ( ‘1 ,1 ,1 II ‘1 , BASKET DISCONNECT w CKT BASKET MASTER c CONTROL DISCONNECT PANEL CGNTACT & / II 1/ I I ,, I i II II / ) l   Set   PERSONNEL HEATER H1/ LO  switch OFF. l    Inspect basket-control panel heater harness for bent/bro- ken connector contacts or loose    CKT   402   wire    at   rear   of connectors. l   Repair    connectors if  defective (page 10-298). l   If  connectors are  not  defective notify    support maintenance of bad  basket-control panel   heat- er   harness. l   Install basket-control panel heater harness connector at basket disconnect. .— TA107 4-697