Kubota WSM B2050 Workshop Manual page 432

B2050, B2350, B2650, B3150, WSM
CHARGING SYSTEM
Symptom
Charging Lamp Does
Not Light when Main
Switch is Turned ON
Charging Lamp Does
Not Go Off When
Engine Operates
LIGHTING SYSTEM
Symptom
Head Light Does Not
Light
Tail Light Does Not
Light
Illumination Light
Does Not Light
Probable Cause and Checking Procedure
1. Fuse blown (10 A)
2. Wiring harness disconnected or improperly
connected (between main switch AC terminal
and panel board, between panel board and
dynamo)
3. Alternator damaged
4. Regulator damaged
1. Wiring harness disconnected or improperly
connected (between main switch terminal and
alternator, between panel board and dynamo)
2. Alternator damaged
3. Regulator damaged
Probable Cause and Checking Procedure
1. Fuse blown (15 A)
2. Bulb blown
3. Wiring harness disconnected or improperly
connected (between main switch AC terminal
and combination switch terminal, between
combination switch 1 terminal and headlight
4. Flasher unit damaged
5. Combination switch damaged
1. Fuse blown (15 A)
2. Bulb blown
3. Wiring harness disconnected or improperly
connected (between main switch AC terminal
and combination switch terminal, between
combination switch T terminal and tail light)
4. Flasher unit damaged
1. Fuse blown (15 A)
2. Bulb blown
3. Wiring harness disconnected or improperly
connected (between main switch AC terminal
and combination switch terminal, between
combination switch T terminal and panel
board)
Replace wire harness
or other
Repair or replace
connector and other
Repair or replace
alternator
Replace regulator
Repair or replace
connector and wire
harness
Repair or replace
alternator
Replace regulator
Replace wire harness
or other
Replace bulb
Repair or replace
connector and wire
harness
Repair flasher unit
Check or replace
Combination switch
Repair wire harness
or other
Replace bulb
Repair or replace
connector and wire
harness
Repair flasher unit
Replace fuse
Replace bulb
Repair or replace
connector and wire
harness
9-S4
ELECTRICAL SYSTEM
Reference
Solution
Page
G-40,
9-M1 to
9-M3
9-M1 to
9-M3
9-S40
9-M18
9-M1 to
9-M3
9-S40
9-M18
Reference
Solution
Page
G-40,
9-M1 to
9-M3
G-41
9-M1 to
9-M3
9-S28
9-S22
9-M1 to
9-M3
G-41
9-M1 to
9-M3
9-S28
G-40
G-41
9-M1 to
9-M3
KiSC issued 03, 2014 A