TM   5-5420-226-20-1 Symptom-32 DETAILED TROUBLESHOOTING PROCEDURE INDICATOR -  GAGE .~ (Continued) Check bulkhead engine disconnect harness(CKT 36: for   continuity from    connector at bulkhead disconnect to   connector at   engine disconnect. First    Technician (Operator’s Station) l   Install    gage   instrument panel    (page 10-112). Second    Technician (Commander’s Station) l   Install    basket-indicator panel    harness connector at basket    disconnect (page 10-270). First    Technician (Left   Top   Deck    Grille Doors) l   Open    left   top   deck   grille   doors. l   Disconnect bulkhead engine    disconnect harness connector at   engine    disconnect. l   At  engine   disconnect, connect   jumper wire  from   contact F  (CKT 36)   of  bulkhead engine    disconnect harness connector to   ground. Second    Technician (Commander’s Station) l   Connect    red   probe   of  meter    to  contact    F  (CKT    36)  of bulkhead engine   disconnect harness connector at bulkhead disconnect and   black   probe    to   ground. m 0 lJ ,A “o l K l B l N l L F. lM lC l E l Q T GROUND J CONTACT F — UlscONNEcTs -yy FOR   CLARITY QUADRANT A ASSEMBLIES NOT   SHOWN , TO   VEHICLE JUMPER GROUND WIRE TA1071O8 4-419