Fiat X 1/9 1978 - Oil Pressure Gage Inoperative

ELECTRICAL
SYSTEM
TROUBLESHOOTING
Page
322
INSTRUMENTS
h.
If
light
did
not
come
on,
connect
connector.
Remove
5
screws
thru
instru-
(
ment
panel.
Pull
panel
out.
Disconnect
speedometer
cable
and
three
con-
_
I!
/
BULB
nectors.
HOLDER
i.
Turn
bulb
holder
for
warning
light
to
left
and
remove
bulb.
Install
new
bulb.
i.
Connect
connectors
to
instrument
panel.
Check
light.
If
light
is
on,
install
instrument
panel.
k.
If
light
is
out
check
circuit
board
and
connector
for
defects.
if
they
are
good.
connect
jumper
to
red/black
wire
in
connector
C6
and
to
ground.
l.
lf
light
comes
on
repair
red/black
wire
from
connector
C6
to
connector
C14.
lf
light
does
not
come
on,
replace
bulb
holder.
(«CIRCUIT
BOARD
2.a.
Disconnect
connector
C14.
Check
light.
I).
11‘
light
goes
out,
repair
red/black
wire
from
connector
C14
to
sending
unit.
CONNECTOR
C14
c.
if
light
did
not
go
out,
connect
connector
014.
Remove
5
screws
thru
RED/BLACK
instrument
panel.
Pull
panel
out.
WIRE
d. Disconnect
connector
C6. Check
light.
NOTE
Connector
CS is an
8 pin connector.
e.
if
light
goes
out.
repair
red/black
wire
from
connector
C6
to
connector
C14.
f. If
light did
not go
out. check
circuit
board
and bulb
holder
for defects.
CONN
ECTOR
CS
OIL
PRESSURE
GAGE
INOPERATIVE
lGRAYlB
ACK
WIRE
1.a.
Check
indicators
in
instrument
panel.
If
indicators
are
not
working,
replace
fuse
A.
b.
Locate
connector
for
sending
unit.
Get
jumper.
NOTE
Connector
is
located
on
forward
side
of
engine
below
distrib-
utor.
JUMPER
c.
Disconnect
connector.
Connect
jumper
to
gray/black
wire
in
connector
and
to
ground.
cl.
Check
gage.
Gage
should
move
towards
high
pressure
with
wire
jumped
to
ground
and
to
low
pressure
with
connector
disconnected.
e.
If
gage
reads
properly,
replace
sending
unit.
T0
GROUND