Charging System; Starter Troubleshooting - Polaris 1999 Sportsman 400 Service Manual

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42
scribes pro
cedures for tro
ubleshooting the
system.
A
full
y
cha rged battery ,
ohmmet er
and
jumper ca
-
bles are required for these tes
ts.
If
the sta rter
does no
t operate,
perform the
follow-
ing
tests before go
ing any farther.
After eac
h
test,
reco
nnec t any connec tor
that was
d
isconnected be-
fore
proceedin
g.
I.
M
ake
sure
the
battery
is
fully charged
and that
all
cables
a
nd connections
are
correct,
undamaged.
clean
and sec
ure.
2.
Make
sure all electrical
connections
arc
clean
and
sec
ure.
Inspect
the
w
iring
harn ess for
damage.
Sta rter Trou
bleshooting
If
the
sta rter
does
no
t
operate,
perform
the
follow-
ing.
When op
eratin g
the sta rter
button ,
tum
the
en-
g
ine shutoff sw itch
to RUN
and
the key
switch
to
O
N.
CAUTION
Do
not operate an electric starter
mo-
tor
co
ntinuously for
more
than
5
sec-
onds. A110\1'
the motor
to cool
for at
least
J
5
seconds
between attemp ts
to
start the
engine.
I.
C
hec k
the
20A circuit
breaker
(Figure II
) next
to
the battery .
[fnecessary,
ope
n
the pouch
and
reset
the
brea ker, then
go on
to the
next
ste
p.
2. Test
the battery
as described
und
er
Battery
in
C
hapter
Three.
If the battery vo
ltag e
is not w
ithin
the prescribed ra
nge, cle
an
and
recharge the battery
as described
under
Battery
in
C
ha pter
T
hree. Re-
place a dam aged
battery.
3. Discon nect
the followi ng switc hes
one
by
on
e
(in the
seque nce
provided)
and
test
them
as de-
scribed und
er Switches
in
C
hapter
Eleven .
If
the
switch opera tes
correctly,
reinstall
the switch and
test the
nex
t one
.
I
f the sw
itch do
es not
operate
cor
-
rectly, replace it.
a.
Key (or igni tion ) or start sw itch.
b.
Start
switch.
c
.
Eng ine auxi liary shutoff
sw
itc h.
4. Disconnect the
red/white elec trical
co
nnector
from
the
sta rter
sol
eno id. Connect
a vo
ltmeter black
test lead to g
round and
the red
test
lead to
the
red/w hite connector
on the
hamc ss
side
.
Tum
the
key
swi tch to the ON
posi
tion
and
depress
the start
button.
There should be
ballery
vo
ltage.
Con
nec t an
ohmme
ter between
the
red
wire
terminal
and
the
50-
C
HA PTE R
T
W O
lenoid moun
ting plate
.
The speci fied
resistance
is
3.4
ohms.
a.
If the
sta rte r
c
ircuit
so leno id tested correc
tly,
per
fonn
Step
5.
b.
If the sta rter ci
rc uit
so
lenoi d d
id not test
cor-
rect ly, replace
the solenoi d and
ret est.
5. If the sw
itches
and
soleno
id test
ed
succ essfully,
rechec
k
the
wiring
for dirty
or
loose-fitt ing term
i-
nals
or damaged wires; clean
and
repai r as requi red.
If
a
ll
the co
nnec to rs and w
ires
are in good
condi-
tio
n.
the
starter motor is
probabl y defccti
ve.
Re-
move and
ove
rhaul the
starter mot or as
de
scribed
under
Starter
in C
hapter
E
leve
n.
6.
Make
sure
all co nnec tors
disassemb led during
this procedure are free
of corrosion
a
nd arc
recon-
nect ed prope
rly.
C
HA R G ING SYST EM
A
malfunctio n
in the
chargi ng
sys
tem
generally
causes
the battery to rem ain
und
ercharged
.
T
ro u b les ho ot ing
Before testing
the
chargi ng
system,
visually
chec k
the following.
I.
C
hec k the
battery
connect ion
s
at the batte
ry,
If
po
larit
y is. or
wa
s, reversed ,
chec k
for
a damaged
regulat or/recti fief.
2. C
hec k
tor
loose or
corroded
batt ery cab
le
co
n-
nectors.
3. Inspect all wiring between
the
battery and
CD!
stator
for
WO
Ol
or cracked insulation or
loose
con-
nections.
Replace
wi
ring
or
cl
ean
and tighten
co
n-
nections as
required.
4
. C
heck batt ery co
nd ition
.
C
lean and
rech arge as
req
uired.
Sec
Battery
in
Chapter
Th
ree .

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