Circuit operation and diagnosis – John Deere stx38 User Manual

Page 111

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3/21/97

4 - 27

ELECTRICAL

CIRCUIT OPERATION AND DIAGNOSIS

M1
Starting
Motor

M

W1
Frame
Ground

K1
Starter
Solenoid

700

Red

Blk

Off

Run

Start

M1
Starting
Motor

M

Key Switch

S1

W1
Frame
Ground

K1

Starter
Solenoid

700 Pur

130 Blk

Red

Blk

200
Red

F1
Fusible
Link

S2

B

G

S1

A

M 941 Wht

Red

201
Red

S2
PTO
Switch

S3
Neutral

Switch

(1)

(0)

(off)

(1)

(0)

(open)

Red

210

Red

Pur

200

Red

F1
Circuit
Breaker
STX30 (SN —135159)
STX38 (SN —139615)

(SN —160000)

510
Yel

Start

720
Pur

710
Pur

(SN 160001—210000)

B

A

E

Ground

Power

Control

SE1 - Cranking Circuit Operation

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