,.. TM    5-5420-226-20-1 —- Symptom-9 DETAILED TROUBLESHOOTING PROCEDURE VEHICLE OPERATION -  POWERPLANT, STARTING (Continued) Check   transmission    harness,   at  connector    to manifold   heater   fuel   return   solenoid,   for  continuity from   CKT   GND  to  vehicle   ground. First Technician (Operator’s Station) l   Set   MASTER BATTERY switch OFF. n ~ WARNING -t After    disconnecting ground    straps, do   not   allow   them    to   contact any metal   surface. I n First Technician (Front of   Crew Compartment) l   Disconnect three battery ground straps (page 10-268). Second Technician (Commander’s Station) l   Install    battery slave harness connector at   bulkhead disconnect (page 10-270). First Technician (Front of   Crew Compartment) l   Connect three battery ground straps (page 10-268). Second Technician (Rear Grille Doors) l   Set   multimeter to   OHMS Xl scale    and “zero” meter, or   use   STE/ICE Test No. 91   (page    4-83). l   Connect red    probe of   meter to   contact B   (CKT GND) of   transmission harness connector at manifold heater fuel    return solenoid and    black probe to   ground. l   Check    if  meter    indicates continuity. Does meter   indicate   continuity? ! m TO   VEHICLE GROUND \ --1- 0 CONTACT 08 AO (CKTBGND) ‘1’^{Replace   manifold   heater   fuel} return   solenoid   (page   7-292). I TA10693O 4-241