st
ewmac
.c
om
49
©
2019 S
tewM
ac
Ins
tall
t
h
e h
ea
te
r wi
re
s
Re
vi
ew t
he
se s
te
ps v
er
y c
ar
ef
ul
ly b
ef
or
e
yo
u s
ta
rt i
ns
ta
lli
ng t
he h
ea
te
r w
ire
s t
ha
t
po
w
er
th
e
he
atin
g
fil
am
en
ts
in
th
e t
ub
es
.
Th
e t
w
is
te
d g
re
en w
ire
s f
ro
m t
he p
ow
er
tr
an
sf
or
m
er c
ar
ry A
C v
ol
tag
e t
o t
he h
ea
t-
in
g fi
la
m
en
ts i
n t
he t
ub
es
. I
t’s i
m
po
rt
an
t
to t
w
is
t t
he
se w
ire
s t
ig
ht
ly t
og
et
he
r . T
hi
s
is
n’
t f
or l
oo
ks
; t
w
is
tin
g t
he w
ire
s h
as a
hu
m
-c
an
ce
lli
ng
f
un
cti
on
th
at
r
edu
ce
s
noi
se i
n t
he a
m
p .
S
T
E
P
14
4
C
o
n
n
ec
t t
o t
u
b
e s
o
ck
et V
8
Cu
t t
w
o
6" h
ea
te
r
w
ire
s, o
ne
w
hit
e a
nd
on
e b
la
ck
. T
w
is
t t
he
m t
og
et
he
r v
er
y
tig
ht
ly
, l
ea
vi
ng a
b
ou
t 1
" of t
he e
nd
s
un
tw
is
te
d
. J
oi
n t
he w
hi
te j
um
p
er t
o
eit
he
r o
f t
he g
re
en j
um
pe
rs b
y t
w
is
tin
g
th
e e
nd
s t
og
et
he
r . J
oi
n t
he b
lac
k j
um
pe
r
to t
he o
th
er g
re
en j
um
pe
r .
So
ld
er t
he p
ai
r w
ith t
he w
hit
e w
ire t
o p
in
2 o
f s
oc
ke
t V
8 .
So
ld
er
th
e
pa
ir
w
ith
th
e
bl
ac
k
w
ire
to
pi
n
7 o
f s
oc
ke
t V
8 .
B
en
d t
he
se w
ire
s u
p a
nd
aw
ay f
ro
m t
he s
oc
ke
t .
At 1
" a
bo
ve t
he s
oc
ke
t, b
en
d t
he b
lac
k-
an
d
-w
hi
te
p
ai
r a
t a
9
0°
an
gl
e t
ow
ard
so
ck
et
V
7 .
S
T
E
P
14
5
C
o
n
n
ec
t t
o t
u
b
e s
o
ck
et V
7
Cu
t t
w
o
6" h
ea
te
r
w
ire
s, o
ne
w
hit
e a
nd
on
e b
lac
k .
T
w
is
t t
he
m t
ig
ht
ly t
og
et
he
r .
Tw
is
t t
he e
nd o
f t
he w
hit
e w
ire t
o t
he
w
hit
e j
um
pe
r c
om
in
g f
ro
m V
8 .
T
w
is
t t
he
bl
ac
k w
ire w
ith t
he b
lac
k j
um
pe
r c
om
in
g
fr
om
V8
.
So
ld
er t
he w
hit
e p
ai
r o
nt
o p
in 2 of V
7 .
So
ld
er t
he b
la
ck p
ai
r o
nt
o p
in 7
. B
en
d
th
e w
ire
s u
p a
w
ay f
ro
m t
he s
oc
ke
t, a
nd
on t
ow
ar
d s
oc
ke
t V
6 .
M
ak
e s
ur
e t
ha
t t
he l
ik
e-
co
lo
re
d j
um
pe
r
w
ire
s a
re g
oi
ng t
o t
he s
am
e-
nu
m
be
re
d
pi
ns
, o
r y
ou w
ill h
av
e a p
ha
se i
ss
ue f
ro
m
th
e p
ul
si
ng v
ol
tag
e .
F
or e
xa
m
pl
e, i
f t
he
w
hit
e w
ire i
s s
ol
de
re
d t
o s
oc
ke
t V
8 p
in 2
an
d t
he b
la
ck w
ire i
s s
ol
de
re
d i
n t
o s
oc
ke
t
V8 p
in 7
, m
ak
e s
ur
e y
ou c
on
ne
ct t
he w
hit
e
w
ire t
o s
oc
ke
t V
7 p
in 2 a
nd t
he b
lac
k w
ire
to s
oc
ke
t V
7 p
in 7
.
S
T
E
P
14
6
C
o
n
n
ec
t t
o t
u
b
e s
o
ck
et V
6
O
n s
oc
ke
ts V
6 t
hr
ou
gh V
1 y
ou w
ill n
ee
d
to joi
n p
in
s 4 a
nd 5 t
og
et
he
r . O
n t
he
se
si
x
so
ck
et
s,
ge
nt
ly
tw
is
t p
in
s
4
an
d
pi
n
5
to
w
ar
d e
ac
h o
th
er s
o t
he
ir e
ye
le
ts l
in
e u
p .
Be v
er
y c
ar
ef
ul w
hi
le d
oi
ng t
hi
s, a
s t
he
se
pi
ns a
re d
el
ic
at
e .
Cu
t
tw
o
4"
he
at
er w
ire
s,
on
e
w
hit
e
an
d
on
e b
lac
k .
T
w
is
t t
he
m t
ig
ht
ly t
og
et
he
r .
Tw
is
t t
he e
nd o
f t
he w
hit
e w
ire t
og
et
he
r
w
ith
th
e
w
hi
te
ju
m
p
er
c
om
in
g
fro
m
so
ck
et V
7 .
T
w
is
t t
he b
lac
k w
ire w
ith t
he
bl
ac
k j
um
pe
r c
om
in
g f
ro
m s
oc
ke
t V
7 .
So
ld
er t
he w
hit
e p
ai
r t
o s
oc
ke
t V
6 p
in 9
an
d s
ol
de
r t
he b
la
ck p
ai
r t
o c
om
bi
ne
d
pi
ns 4
+5 o
n s
oc
ke
t V
6 .
B
en
d t
he w
ire
s
up a
w
ay f
ro
m t
he s
oc
ke
t, a
nd o
n t
ow
ar
d
so
ck
et
V5
.
S
T
E
P
147
C
o
n
n
ec
t t
o t
u
b
e s
o
ck
et V
5
Cu
t
tw
o
4"
he
at
er w
ire
s,
on
e
w
hit
e
an
d
on
e b
lac
k .
T
w
is
t t
he
m t
ig
ht
ly t
og
et
he
r .
Tw
is
t t
he l
ik
e-
co
lo
re
d w
ire
s o
f t
hi
s n
ew
pa
ir i
n w
ith t
he l
ik
e-
co
lo
re
d w
ire
s o
f t
he
tw
is
te
d p
ai
r c
om
in
g f
ro
m s
oc
ke
t V
6 .
So
ld
er t
he p
ai
r o
f t
w
is
te
d w
hit
e w
ire
s t
o
so
ck
et V
5 p
in 9 a
nd s
ol
de
r t
he t
w
is
te
d
bl
ac
k w
ire
s t
o s
oc
ke
t V
5 p
in 4
+5
. B
en
d
th
e w
ire
s u
p a
w
ay f
ro
m t
he s
oc
ke
t, a
nd
on t
ow
ar
d s
oc
ke
t V
4 .
S
T
E
P
14
8
C
o
n
n
ec
t t
o t
u
b
e s
o
ck
et V
4
Cu
t t
w
o 5
" h
ea
te
r w
ire
s, o
ne w
hit
e a
nd
on
e b
lac
k .
T
w
is
t t
he
m t
ig
ht
ly t
og
et
he
r .
Tw
is
t t
he l
ik
e-
co
lo
re
d w
ire
s o
f t
hi
s n
ew
pa
ir i
n w
ith t
he l
ik
e-
co
lo
re
d w
ire
s o
f t
he
tw
is
te
d p
ai
r c
om
in
g f
ro
m s
oc
ke
t V
5 .
So
ld
er t
he p
ai
r o
f t
w
is
te
d w
hit
e w
ire
s t
o
so
ck
et
V
4
pi
n
9
an
d
so
ld
er
t
he
t
w
is
te
d
bl
ac
k w
ire
s t
o s
oc
ke
t V
4 p
in 4
+5
. B
en
d
th
e w
ire
s u
p a
w
ay f
ro
m t
he s
oc
ke
t, a
nd
on t
ow
ar
d s
oc
ke
t V
3 .
Min
imi
ze h
um f
rom
AC
vo
lta
ge
by t
wist
ing
hea
ter w
ires t
ight
ly
tog
eth
er an
d r
out
ing
them
up
ab
ove
the
sig
nal
-ca
rryi
ng
wi
res
.
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