TM    5-5420-226-20-1 Symptom-9 DETAILED TROUBLESHOOTING PROCEDURE VEHICLE OPERATION -  POWERPLANT, STARTING (Continued) /Che~k ba~ket.~~ntr~[ panei   starting   harness   (CKT 486)  from   basket   disconnect    to  preheat   switch   for continuity. . First Technician (Operator’s Station) l   Set   MASTER BATTERY switch OFF. l   Disconnect both harness connectors (CKT 486) from preheat switch at   primer pump. Second Technician (Commander’s Station) l l l l Install front accessory harness connector at bulkhead disconnect (page 10-270). Displace basket-control panel starting harness connector (CKT 486)    at   basket disconnect. Set    multimeter to   OHMS X  1  scale    and zero    meter, or    use   STE/ICE Test No.    91   (page 4-83). Connect red   probe of   meter to   contact G   (CKT 486) of   basket-control panel starting harness connector at basket disconnect. First Technician (Operator’s Station) l   Connect black probe of   meter to   first    one    (CKT 486)    lead    at   primer pump and    then to   other lead. II I FOR    CLARITY QUADR.ANT ASSEMBLIES NOT    SHOWN TA10692O 4-231