TM 5-5420-226-20-1 Svmt2tom-5 DETAILED TROUBLESHOOTING PROCEDURE h-’ VEHICLE OPERATION -  POWERPLANT, STARTING (Continued) Check    front    accessory harness (CKT   76)   at  bulkhead disconnect for   electrical power    to  right   fuel   tank   fuel pump. First l l l Technician (Commander’s Station) Displace front   accessory harness    connector (CKT 76)  to engine disconnect harness at   bulkhead disconnect (page 10-269). Set  multimeter to  measure 18 to  30  volts   dc,  or  use  STE/ ICE    Test No.    89   (page 4-81). Connect red   probe    of  meter to   contact K   (CKT 76)   of front accessory harness connector at   bulkhead disconnect and    black probe to   ground. Second Technician (Operator’s Station) l   Set    MASTER BATTERY switch ON. First Technician (Commander’s Station) l   Check   if  meter   indicates 18  to   30   volts    dc, Does    meter indicate 18  to   30   volts    dc? l l l l Inspect front    accessory harness for   bent/broken connector contacts or   loose CKT   78  wire    at   rear   of connectors. Repair   connectors if  defective (page 10-298). If  connectors are   not defective, notify support maintenance of   a  defective front    accessory harness. Install    front    accessory harness connector to bulkhead disconnect (page 10-270). oNO I 1 CKT i I o- n +   0 \o^.JlA TO   VEHICLE # lK   % GROUND l“    lL ‘o •~ SC lE  lrl CONTACT K \ ‘CKT ‘KZi II FOR   CLARITY QUADRANT ASSEMBLIES NOT   SHOWN TA106858 L 4-169