TM   5-5420-226-20-1 DETAILED TROUBLESHOOTING PROCEDURE Symptom-17 VEHICLE OPERATION -  POWERPLANT, STOPPING (Continued) I_Check fuel   shut    off    harness (CKT    54)   for   continuity from    ENGINE    FUEL   SHUT   OFF   switch    to  fuel   shut   off circuit breaker. Second Technician (Operator’s Station) l o l l Set    MASTER BATTERY switch OFF. 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   fuel   shut off   harness connector (CKT 54)   at   circuit breaker. Connect black probe of   meter to   fuel   shut off   harness connector (CKT 54)   at   switch. l  ‘Check   if  meter   indicates continuity. Does    meter indicate continuity? Replace master control panel starting harness (page 10-97). Reconnect fuel   shutoff harness (CKT    54)   to   circuit breaker and   to   ENGiNE FUEL SHUT    OFF   switch. Reconnect master controi panel    power harness (CKT 54)   to   circuit breaker. 4-318 -J Yl-fl- FUEL    SHUT    OFF CIRCUIT BREAKER ‘e l l Repiace   master   control   panel fuei  shut  off   harness (page   10-109). Reconnect    master   control panel   power   harness   (CKT 54)  to  circuit   breaker. Reconnect    CKT  54A connector    to  ENGiNE   FUEL SHUT   OFF  switch. TA107007