TM    5-5420-226-20-1 Symptom-9 DETAILED TROUBLESHOOTING PROCEDURE VEHICLE OPERATION -  POWERPLANT. STARTING T (Continued) ‘ r .- - .CA(JTION.- --- 1 I Do   not   hold   STARTER button   and I 1    preheat   switch   ON  for  more  than   14 1 1    seconds. 1 L ----- ------ . r i n Check   bulkhead   engine   disconnect    harness   (CKT 486)  at  engine   disconnect    for  electrical   power. $econd   Technician (Top    Deck) l   Open    left   top   deck    grille    doors. l   Disconnect bulkhead engine    disconnect harness connector from    engine    disconnect. l   Set   multimeter to   measure 18  to   30  volts   dc   or   use STE/ICE Test    No.   89  (page    4-81). l   Connect red   probe    of   meter to   contact A   (CKT 486) of  bulkhead engine    disconnect harness connector at engine    disconnect and    black    probe    to   ground. First    Technician (Operator’s Station) l   Reconnect both    basket-control panel    starting harness connectors to   preheat switch at   primer pump. l   Set   MASTER BATTERY switch ON. l   At   the   same    time,    press   STARTER button and manifold preheat switch for   about 10  seconds then release. Second Technician (Top    Deck) l   Check    if  meter    indicates 18  to   30  volts   dc. i Did  meter   indicate   18  to  30  volts  dc? =r’ (’fH+\ FOR   CLARITY QUADRANT ASSEMBLIES NOT    SHOWN l   Check   manifold   heater   fuel supply  solenoid   for operation. l   See  Step   @ . \ TA106917 4-228