ITEM
PART
DESCRIPTION
NO.
NO.
NO.
REQ’D
ITEM
PART
DESCRIPTION
NO.
NO.
NO.
REQ’D
Use only genuine Walker
®
replacement parts.
Effective Date 03-31-08
78
WIRING SCHEMATIC
RELAY - C
RELAY - B
RELAY - A
15 AMP
CIRCUIT
BREAKER
OPTIONAL
LIGHTS
OPTIONAL
LIGHTS
OPTIONAL
LIGHTS
HOUR
METER
B
A
M
S1
S2
G
BATTERY
WALKER MODEL MBSS
Beginning S/N 2007-90718
S1 = START CIRCUIT
S2 = START/ACCESSORY CIRCUIT
M = MAGNETO GROUND CIRCUIT
B = BATTERY CIRCUIT
A = ACCESSORY CIRCUIT
G = GROUND CIRCUIT
RUN
RELAY - A
TIME DELAY RELAY
OFF
START
PTO ON
30 + 87
30 + 87
30 + 87A
30 + 87A
IGNITION SWITCH CIRCUITS
OFF
START
RUN
G + M
B + A / S1 + S2
B + A
RUN
RELAY - B
START RELAY
OFF
START
PTO ON
30 + 87
30 + 87
30 + 87A
30 + 87A
RUN
RELAY - C
IGNITION RELAY
OFF
START
PTO ON
30 + 87
30 + 87
30 + 87A
30 + 87A
30 AMP
BREAKER
CIRCUIT
HORN
+
OVER
TEMP
LIGHT
PRESSURE
OIL
LIGHT
-
MODULE
TIME
DELAY
RED
RED
RED
RED
PUR
PUR
PUR
ORG
YEL
GRN
GRN
GRN
BLK
BLK
RED
RED
GRA
FSC
NEUTRAL
INTERLOCK
SWITCH
ORG
BRN
BRN
BRN
GRN
BLU
GRN
PUR/RED
PUR/
RED
PUR/RED
PUR/RED
PUR/RED
PUR/
RED
BLU
BLK
BLK
BLK
PUR/RED
SEAT
SWITCH
PTO
SWITCH
YEL
GRA
GRA
RED
RED
PUR/RED
PUR/YEL
PUR/YEL
PUR/RED
PUR/RED
PUR/RED
PUR/RED
WHT
WHT
WHT
WHT
WHT
BLK
BRN
BLK/
BRN
BLK
BRN
BRN
87
87A
85
86
30
85
87
85
87A
MAGNETO
STARTER
STARTER SOLENOID
OIL TEMP SWITCH
REGULATOR
OIL PRESSURE
SWITCH
ENGINE
CYLINDER HEAD
TEMP SWITCH
BLK
BLU
RED
WHT
WHT
PUR
PUR
GRN
GRN
BLU
BLK
BLK
BLK
BLK
BLK/
BRN
PUR/
RED
BLK
BLK
BLK
87A
30
85
86
87
30
86
