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ELEC
3. Turn the engine start switch to "OFF."
4. Connect the 10-pin main harness cou-
pler.
Checking the starter relay (electric
starter model)
1. Disconnect the starter relay 1 connec-
tor.
2. Set the shift lever or remote control lever
to the neutral position.
3. Push the engine start button, and then
measure the input voltage between the
starter relay connector (neutral switch
end) and the ground. Check the engine
start button, neutral switch, wiring har-
ness and ground lead if below specifica-
tion. (Tiller handle model)
Turn the engine start switch to "START,"
and then measure the input voltage
between the starter relay connector (neu-
tral switch end) and the ground. Check
the engine start switch, neutral switch (in
the remote control box), wiring harness,
and ground lead if below specification.
(Remote control model)
Br
Br
B
8-21
Electrical system
1
S6AG8230
Starter relay input voltage
(reference data):
Brown (Br) – Ground
12 V (battery voltage)
4. Disconnect the battery cables, and then
8
remove the starter relay.
5. Connect the digital circuit tester leads to
the starter relay terminals.
6. Connect the brown (Br) lead of the
starter relay to the positive battery termi-
nal and connect the black (B) lead to the
negative battery terminal. Check for con-
tinuity between the starter relay termi-
nals. Replace if there is no continuity.
7. Disconnect the brown (Br) or black (B)
lead of the starter relay from a battery
terminal. Check that there is no continuity
between the starter relay terminals.
Replace if there is continuity.
8. Install the starter relay, and then connect
the battery cables, starter relay connec-
tor, and starter relay lead.
Ignition and ignition control
system
Checking the ignition spark
1. Disconnect the spark plug caps from the
spark plugs.
NOTE:
To prevent the engine from starting when
cranking it, be sure to disconnect both spark
plug caps.
Br
B
S6AG8240
6AG3J11
8
8
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Troubleshooting
