Service manual

BODY ElECTRICAL
Thermometer and
fuel meter
Condition
Both thermometer and
fuel meter do not
operate
Both
thentlometer and
fuel meter indicate
inaccurately
ThennometeJ
Thermometer does
not
operate
Pointer indicates
maximum
temperature
Thermometer does
not
operate
accurately
Probable
cause
Blown off fuse
or
improper
connection
Defective
voltage
regulator Damaged
fused or
open
contact
Defective
voltage
regulator
Broken
heat
wire seized contact and or
improper
grounding
Improper
cable contact
Defective thermal
transmitter
Defective
thermometer
Defective thermal
transmitter
Defective
thermometer
Defective
thermometer
Defective
thermal transmitter
BE 23
Corrective
action
Check fuse
for
fusing
and
improper
contact
Replace
after
correcting
cause if fused
Correct contact
Replace
In
this case
meter
operates
excessively
Replace
In this
case
meter
operates slightly
Check cable
for
improper
contact and
repair
if
required
Replace
thermal transmitter if
pointer
deflects when thermaltransmitter
yellow
white cable
is
grounded
Replace
thermometer if
pointer
does
not
deflect when thermaltransmitter
yellow
white cable
is
grounded
Pointer moves to low
limit when
ignition
switch
is
turned
off
In this case
replace
thermal transmitter
Pointer
indicates maximum
temperature
even
after
ignition
switch is turned off
In this case
replace
thermometer
Thermometer is
seIViceable
when
a
40
n resistance is
applied
to
thermal
transmitter
yellow
wihite
cable cable
is
grounded
and thermometer
indicates
ap
proximately
800C
I
760F
If thermometer
is
normal through
the
above
inspection
Replace
thermaltransmitter