TM 5-3805-262-20
3-10. INSTRUMENT PANELS TROUBLESHOOTING (CONT)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
5. HYDRAULIC FILTER WARNING LIGHT DOES NOT OPERATE (Cont).
Step 4.
R e m o v e e n g i n e l e f t s i de
panels (page 9-14) and
open front access door.
Place ignition key
switch in on position.
A t h y d r a u l i c f i l t e r s,
connect a jumper wire
from terminal of either
h y d r a u l i c f i l t e r s w i t c h
to engine ground.
Hydraulic filter warning
light should be on.
a . I f h y d r a u l i c f i l t er
warning light is on,
remove jumper wire
and refer to page 3-93
sending units trouble-
s h o o t i n g .
b.
I f h y d r a u l i c f i l t e r w a r n-
ing light is not on, go
to step 5 below.
Step 5.
Disconnect wire leads from
temninals of hydraulic fil-
t e r w a r n i n g l i g h t .
Connect multimeter between
l i g h t t e r m i n a l s .
Multimeter should indicate
c o n t i n u i t y.
a. If multimeter does not
i n d i c a t e c o n t i n u i t y ,
remove right instrument
panel (page 5-48) and
replace light assembly
(page 5-53) .
b. If multimeter indicates continuity, check wiring connection be-
t w e e n h y d r a u l i c f i l t e r s w i t c h e s , f u s e h o l d e r , h y d r a u l i c f i l t er
warning light, and 5 ampere circuit breaker for open circuit.
Repair or replace wiring as necessary (page 5-168 or 5-174).
3-76
