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Maintenance Instructions ELECTRICAL SYSTEM
RELAY - A
RELAY - B
ONLY
DEPT.
SERVICE
TEST PLUG
DIAGNOSTIC
86
85
TO J12/J13
TO J1/J2
TO J1
TO J11
TO J10
TO J3/J4
TO J3
TO J3
TO J8
TO J20
TO J20
TO J20
TO J2
TO J4
TO J5
J21
TIME
DELAY
MODULE
FOR TAIL
WHEEL LOCK
J17
J14 = IGNITION COIL GROUND
J20 = SPEED PICK-UP SENSOR
J13 = #2 IGNITION COIL
J12 = #1 IGNITION COIL
J11 = #2 IGNITION COIL
J10 = #1 IGNITION COIL
J8 = ENGINE GROUND
J5 = OXYGEN SENSOR
J6 = REGULATOR / RECTIFIER
J4 = OIL TEMP SENSOR
J3 = THROTTLE POSITION SENSOR
J2 = #2 FUEL INJECTOR
J1 = #1 FUEL INJECTOR
G = GROUND CIRCUIT
A = ACCESSORY CIRCUIT
B = BATTERY CIRCUIT
M = MAGNETO GROUND CIRCUIT
S2 = START / ACCESSORY CIRCUIT
S1 = START CIRCUIT
30 + 87
OPEN
IGNITION / FUEL RELAY
OPEN
OPEN
DELAY RELAY
30 + 87A
30 + 87A
OPEN
OPEN
OPEN
WALKER MODEL MT-EFI
Beginning S/N 2001-49448
START / TIME DELAY RELAY
START / SOLENOID RELAY
START
PTO ON
RELAY - A
OFF
START
RUN
RELAY - B
OFF
OPEN
START
RUN
RELAY - C
OFF
30 + 87A
RUN (LOW)
RUN (HIGH)
RELAY - D
OFF
30 + 87
J17
J17
RED/WHT
BLK
BLK
BRN
GRN
GRN
WHT
BLK/WHT
WHT
WHT
WHT
BLK
GRN
GRN
BLK
BLK
RED
RED
ORG
BLK/WHT
BRN
PNK
GRA
BLK
BLK
BLK
WHT
WHT
BLK/WHT
ORG
BRN
RED/WHT
RED
RED/WHT
RED/WHT
RED/YEL
BLU
PUR
YEL
YEL
BLK
GRN
BLK
GRN
BLU
TAN
RED
GRA
RED
GRA
BRN
PUR
BLK
BLU
PUR
RED
RED/YEL
RED/YEL
RED/YEL
RED
RED
GRA
GRA
RED
RED
BLU
BLK/WHT
BLU
IGNITION SWITCH CIRCUITS
START
RUN
OFF
G + M
B + A
B + A / S1 + S2
30
85
86
30
85
86
87
87A
PUR
RED/YEL
Wiring Diagram - Model MTEFI