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Page Title:
HIGH WATER TEMP INDICATOR LIGHT DOES NOT OPERATE - continued |
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 TM 10-3930-673-20-1
CONTINUITY CHECK
(1) Set multimeter to ohms.
(2) Connect multimeter positive lead (+) to
center conductor of bulb.
(3) Connect multimeter negative lead () to
bulb ground.
(a) If continuity is present, go to Step 3
of this fault.
CENTER
(b) If continuity is not present, replace
lens/bulb (Para 8-9).
CONDUCTOR
BULB GROUND
HIGH WATER TEMP
INDICATOR
OUTSIDE
CONDUCTOR
VOLTAGE TEST
(1) Set multimeter to ohms.
(2) Connect multimeter positive lead (+) to
outside conductor of high water temp
indicator.
(3) Connect multimeter negative lead () to
known good ground.
(a) If continuity is present, replace
lens/bulb (Para 8-9).
(b) If continuity is not present, go to
Step 4 of this fault.
TR01602
2-389
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