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REAR
WINDOW
DEFOGGER
Filament Check
1
Attach probe circuit tester (in tolt range) to
middle portion of each filament
w
[VI
6
volts
[normal
filament)
SEL263
2.
If
a
filament
is
burned out, circuit tester
registers
0
or
12
volts.
12
Volts
[+I
[-I
Burned-out
point
[VI
0
"Olts
SE
L264
SEL265
3
To
locate burned out point. move probe to left
and right along filament to determine point
where
tester
needle swings abruptly.
SEL266
_.
Filament Repair
REPAIR EQUIPMENT
1
Conductive silver composition
(!3upont
No
4817
or equivalent)
2
Fhler,
30
cm
(1
1
8
in)
long
3 Drawing pen
4
Heat gun
5
Alcohol
6.
Cloth
REPAIRING PROCEDURE
1,
Wipe broken heat wire and
its
surrounding area
clean with
a
cloth dampened in alcohol
2
Apply
a
small
amount of conductive silver
cornposition to tip
of
drawing pen
Shake silver composition container before
use.
EL-I
13
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