TRACTOR - - MODEL NO. YTH1842 (YTH1842A), PRODUCT NO. 954 56 97-90

SCHEMATIC

RED

BLACK

A

 

RED

 

 

AMMETER

 

(OPTIONAL)

WHITE

 

 

RED

 

 

 

S

BLACK

B

 

M

 

G

A1

 

L

A2

 

IGNITION

 

SWITCH

 

BATTERY

 

SOLENOID

 

RED

M

 

 

FUSE

 

STARTER

 

 

 

WHITE

BLACK

CLUTCH / BRAKE

 

 

(PEDAL UP)

 

 

WHITE

 

 

BLUE

BLUE

 

 

 

FUEL

BLUE

ATT'MENT CLUTCH

LINE

 

 

 

 

(CLUTCH OFF)

 

GREEN

 

 

BLACK

BROWN

GREEN

SEAT SWITCH

(NOT OCCUPIED)

BLUE 85

87

85

86

FUEL SHUT-OFF

BLUE

 

SOLENOID

 

 

 

30

(IF SO EQUIPPED)

87

BLACK

 

 

87A

OPERATOR

PRESENCE RELAY #1

86

BLACK

30

87A

IGNITION

SPARK

 

PLUG

OPERATOR

UNIT

GAP

 

(2 PLUGS ON

PRESENCE RELAY #2

 

 

TWIN CYL. ENGINES)

 

YELLOW

 

 

ORANGE

CHARGING SYSTEM OUTPUT 15 AMP DC @ 3600 RPM

REGULATOR

YELLOW

BROWN

OPERATOR

PRESENCE RELAY #3

YELLOW

ALTERNATOR

28 VOLTS AC @ 3600 RPM (REGULATOR DISCONNECTED)

BLACK

IGNITION SWITCH

POSITION

CIRCUIT

“MAKE”

 

 

 

 

 

 

OFF

M+G+A1

NONE

RUN/LIGHT

B+A1

A2+L

RUN

B+A1

NONE

 

 

 

START

B + S + A1

NONE

BLUE

RED

87

86 87A 85

30

RELAY

85

86

 

87

30

HEADLIGHTS

BLACK

 

 

RED

87A

NON-REMOVABLE REMOVABLE

CONNECTIONS CONNECTIONS

WIRING INSULATED CLIPS

NOTE: IF WIRING INSULATED CLIPS WERE REMOVED FOR SERVICING OF UNIT, THEY SHOULD BE REPLACED TO PROPERLY SECURE YOUR WIRING.

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Husqvarna owner manual Tractor - Model NO. YTH1842 YTH1842A, Product no 56, Schematic