Husqvarna YTH145 Schematic, Ignition Switch, Relay, PTO Switch, Wiring Insulated Clips

TRACTOR - MODEL NO. YTH145 (954140015A), PRODUCT NO. 954 14 00-15

SCHEMATIC

RED

BLACK

BATTERY

SOLENOID

A

AMMETER (OPTIONAL)

	WHITE
RED
S	BLACK
B	M
G	L
Y	A

FUSE 30 AMP.
C	G
CLUTCH / BRAKE
(PEDAL UP)	F H
B

RED	RED	M
		STARTER

ELECTRIC CLUTCH

RED

BLACK

IGNITION	E
SWITCH
	A
SEAT SWITCH	D
(NOT OCCUPIED)
	PTO (DISENGAGED)
	HOUR
	METER
FUEL	(OPTIONAL)

85	86
87	30
	87A
OPERATOR
PRESENCE
RELAY #1

LINE		SPARK
	IGNITION
		PLUGS GAP
BLUE	UNIT	(2 PLUGS ON
		TWIN CYL. ENGINES)
FUEL SHUT-OFF SOLENOID	CHARGING SYSTEM OUTPUT	28 VOLTS AC MIN. @ 3600 RPM
	9 AMP DC @ 3600 RPM	(CHARGING SYSTEM DISCONNECTED)

G A

Y S

M L B

IGNITION SWITCH

POSITION	CIRCUIT	“MAKE”
OFF	G + M + L	NONE
RUN/LIGHT	B + L	A + Y
RUN	B + L	NONE
START	B + L + S	NONE

NOTE					DIODE			ALTERNATOR
YOUR TRACTOR IS
EQUIPPED WITH A SPECIAL					14 VOLTS AC MIN. @ 3600 RPM (LIGHTS OFF)
ALTERNATOR SYSTEM.
THE LIGHTS ARE NOT			BROWN
CONNECTED TO THE										BLACK
BATTERY, BUT HAVE THEIR
OWN ELECTRICAL SOURCE.		87
BECAUSE OF THIS, THE	86	87A 85
BRIGHTNESS OF THE LIGHTS
WILL CHANGE WITH ENGINE		30						HEADLIGHTS
SPEED. AT IDLE THE LIGHTS
	RELAY									G F C
WILL DIM. AS THE ENGINE IS
SPEEDED UP, THE LIGHTS					PTO SWITCH
WILL BECOME THEIR BRIGHTEST.			POSITION				CIRCUIT		H		E
WIRING INSULATED CLIPS
				OFF			C + G, B + H
NOTE: IF WIRING INSULATED				ON		C + F, B + E, A + D
CLIPS WERE REMOVED FOR											D A
SERVICING OF UNIT, THEY
SHOULD BE REPLACED TO		NON-REMOVABLE						REMOVABLE
PROPERLY SECURE YOUR WIRING.			CONNECTIONS					CONNECTIONS

B

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