TM   5-5420-226-20-1 DETAILED TROUBLESHOOTING PROCEDURE INDICATOR -  GAGE Symptom-35 (Continued) . TRANSMISSION OIL TEMPERATURE GAGE SHOWS HIGH OR    NO TEMPERATURE (POWERPLANT WARNING LAMP NOT ON   —   ENGINE RUNNING —   ALL OTHER GAGES READ NORMAL), ~ NOTE This  procedure is to  be  performed by two persons. The lead person is referred to  as  the  first  technician and shall   direct   the  activity    of  the  second person    called    the   second    technician. s (Check gage    instrument panel    harness (CKT    27)   at TRANSMISSION TEMP    indicator gage    for   electrical power. First l l l l l l l Technician (Operator’s Station) Set    MASTER BATTERY switch OFF. Displace gage    instrument panel (page 10-111). Disconnect gage    instrument panel harness connector (CKT 27)   from TRANSMISSION TEMP indicator gage. 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   gage    instrument panel harness connector (CKT 27)  and   black   probe    to  ground. Set   MASTER BATTERY switch ON, Check if   meter indicates 18  to    30   volts dc. Does    meter indicate 18  to   30   volts    dc? I +--- TO   VEHICLE GROUND I^TRANSMISSION TEMP INDICATOR ,\ GAGE \ \ GAGE INSTRUMENT PANEL L (REAR VIEW) (page  10-298). D-s TA10714 .— 4-455