wsm L4701 User Manual

ELECTRICAL SYSTEM
L3301, L3901, L4701, WSM
9-S36
[10] LIGHTING SYSTEM
(1) Combination Light Switch
Combination Light Switch
1. Remove steering wheel and rear bonnet.
2. Disconnect connector of combination light switch (1).
3. Perform following checking.
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Connector Voltage
1. Measure the voltage with a voltmeter across the connector B2
terminal and chassis when key switch is at "OFF" position.
2. Measure the voltage with a voltmeter across the connector B3
and chassis, B4 terminal and chassis when key switch is at
"ON" position.
3. If the voltage is different from battery voltage, battery, slow blow
fuse, fuse, key switch or wiring harness is damaged.
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Checking Hazard Light Function
1. Measure the resistance with an ohmmeter across B2 terminal
and F terminal when hazard switch is at "OFF" position.
2. Measure the resistance with an ohmmeter across B2 terminal
and F terminal when hazard switch is in "ON" position.
3. If measured value is different from table below, the combination
light switch is damaged.
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(1) Combination Light Switch
Voltage
Key switch
at "OFF"
position
B2 terminal –
Chassis
Approx. battery voltage
Key switch
at "ON"
position
B3 terminal –
Chassis
B4 terminal –
Chassis
(1) 10P Connector
(Combination Light Switch)
[A] Connector (Wiring Harness Side)
Resistance
Hazard
switch at
"OFF"
position
B2 terminal –
F terminal
Infinity
Hazard
switch at
"ON"
position
0 Ω
(1) 10P Connector
(Combination Light Switch)
[A] Connector (Switch Side)
KiSC issued 09, 2016 A

wsm L4701 Specifications

General

Brand	wsm
Model	L4701
Category	Tractor
Language	English