TM 9-2320-366-20-1
(1) Remove instrument panel for access
(para 7-15).
(2) Disconnect connector PX2 from LAMP TEST
switch connector.
(3) Position master power switch to on
(TM 9-2320-366-10-1).
(4) Check to see if high engine temperature
indicator illuminates (TM 9-2320-366-10-1).
(5) If high engine temperature indicator does not
illuminate, replace LAMP TEST switch
(para 7-18).
(6) If high engine temperature indicator
illuminates, go to step 7 of this fault.
OPERATIONAL TEST
Change 2
2-418.9