Subaru Legacy (2005 year). Manual - part 1057

WI-21

WIRING SYSTEM

Power Supply Circuit

FB-32

Brake switch
Clutch switch (MT/Cruise)
ECM
OP connector
Line end check connector
Seat belt warning light
Sunroof control module
Sunroof switch
Wiper deicer relay

FB-33

Clock

FB-34

Turn signal and hazard module

FB-35

Back-up light relay (5-speed AT model)
Back-up light switch (MT model)
Inhibitor switch (4-speed AT model)

FB-36

Combination meter

FB-37

Body integrated module

FB-38

ECM
Fuel pump relay
Ignition coil & ignitor
P-VIGN relay
Rear vehicle speed sensor (4-speed AT model)
TCM

FB-39

Airbag control module

FB-41

Airbag control module

FB-42

Power window relay

FB-44

ABS control module
VDC control module

FB-45

A/C control panel

FB-46

A/C relay
Auto A/C control module
Blower fan relay
FRESH/RECIRC actuator
Mode actuator
Pressure switch
Sub fan relay
Heater cock solenoid

No.

Load

WI-22

WIRING SYSTEM

Power Supply Circuit

2. RHD MODEL

P-SUP(R)-01

P-SUP(R)-01

WI-06866

MAIN FUSE BOX (M/B)

FUSE & RELAY BOX (F/B)

H/L

RELAY

RH

MAIN

FAN

RELAY-1

MAIN

SBF

H/L

RELAY

LH

NO. 8

NO. 11

NO. 12

NO. 13

NO. 14

NO. 15

NO. 16

NO. 27

NO. 28

NO. 29

NO. 30

NO. 31

NO. 32

NO. 33

NO. 20

NO. 21

NO. 22

NO. 23

NO. 24

NO. 25

NO. 26

NO. 13

NO. 14

NO. 15

NO. 16

NO. 17

NO. 18

NO. 19

NO. 6

NO. 7

NO. 8

NO. 9

NO. 10

NO. 11

NO. 12

NO. 1

NO. 2

NO. 3

NO. 4

NO. 5

NO. 9

NO. 10

NO. 3

NO. 4

NO. 1

NO. 2

NO. 5

NO. 6

NO. 7

SBF-8

SBF-6

SBF-2

SBF-3

SBF-4

SBF-7

SBF-5

SBF-1

HORN

RELAY

R.DEF

RELAY

TAIL

RELAY

WI-23

WIRING SYSTEM

Power Supply Circuit

P-SUP(R)-02

P-SUP(R)-02

P-SUP(R)-05

B

P-SUP(R)-05

A

P-SUP(R)-03

C

P-SUP(R)-04

P-SUP(R)-04

H

P-SUP(R)-03

D

P-SUP(R)-05

G

P-SUP(R)-05

F

P-SUP(R)-04

E

H4

F26

B145

G:

1 2 3

B186

H:

(BROWN)

B144

D:

(BLUE)

F35

C:

A:

1

2 3

4 5 6 7 8

1 2

3 4 5

6 7 8 9 10 11 12

F37

1 2

3

4 5

6

7

1
5

7

6

2

8

3

4
9

1 2 3 4

5 6 7 8 9

10 11 12 13 14

15 16 17 18 19 20

B: B143

1 2 3 4

5 6 7 8 9

10 11 12 13 14 15 16 17 18 19 20

F36

E:

(BROWN)

(GREEN)

: 6-CYLINDER ENGINE MODEL

: 4-CYLINDER ENGINE MODEL

: 4-CYLINDER ENGINE MODEL
: 6-CYLINDER ENGINE MODEL

1

*

H6

H4

: YG
: LW

WR

BR

BW

2
1

BR

3

B1

B7

C10

GENERATOR

MAIN FUSE BOX (M/B)

BATTERY

MB-2

MB-10

F26

MB-3

MB-4

MB-29

MB-1

MB-9

MB-8

MB-7

MB-6

A7

A9

A19

NO. 4 25A

MAIN

SBF 120A

NO. 8 20A

NO. 3 25A

NO. 5 20A

NO. 1 30A

NO. 16 7.5A

NO. 10 25A

SBF-1 50A

SBF-8 50A

SBF-6 50A

SBF-3 50A

SBF-2 50A

LR

E5

E6

RL

G7

H8

GOr

GB

W

H4

B19

ALT-2

ALT-1

MAIN FAN 

RELAY 1

REAR DEFOGGER RELAY

W

W

F37

A:

B143

B:

F35

C:

B144

D:

F36

E:

B145

G:

B186

H:

LR

D9

GD

3

WD

2

RD

6

RW

E

3

RB

D1

RY

D

5

WR

D7

BW

B11

LD

8

MB-5

BR

RL

VG

NO. 2 25A

H6

H6

H4

H4

1

*

H4

OTHER CURRENT 

BATTERY CURRENT

CURRENT FROM IGNITION
SWITCH “IG” TERMINAL

CURRENT FROM IGNITION
SWITCH “ACC” TERMINAL

I

WI-06867

WI-24

WIRING SYSTEM

Power Supply Circuit

P-SUP(R)-03

WI-06868

P-SUP(R)-05

K

P-SUP(R)-05

J

P-SUP(R)-02

C

P-SUP(R)-02

D

P-SUP(R)-04

N

P-SUP(R)-04

M

P-SUP(R)-04

L

B145

G:

B186

H:

(BROWN)

B144

D:

(BLUE)

F35

C:

1

2 3

4 5 6 7 8

1 2

3 4 5

6 7 8 9 10 11 12

1 2 3 4

5 6 7 8 9

10 11 12 13 14 15 16 17 18 19 20

B: B143

1 2

3

4 5

6

7

1
5

7

6

2

8

3

4
9

F36

E:

A:

F37

1 2 3 4

5 6 7 8 9

10 11 12 13 14

15 16 17 18 19 20

(BROWN)

H4

: 4-CYLINDER 
  ENGINE 
  MODEL

WB

H6

W

H5

G4

MAIN FUSE BOX 
(M/B)

NO

. 14 15A

NO

. 13 7.5A

NO

. 12 15A

NO

. 11 15A

NO

. 15 20A

NO

. 6 15A

SBF-4 30A

SBF-7 30A

SBF-5 30A

BW

WG

H3

WR

G6

H7

YR

WY

G1

G5

WR

Br

BrR

B18

B16

NO

. 7 15A

NO

. 9 15A

T

AIL & ILLUMINA

TION RELA

Y

F37

A:

B143

B:

F35

C:

B144

D:

F36

E:

B145

G:

B186

H:

RH

1

B6

RG

C9

RL

C8

B15

RB

E1

GW

C1

GY

C2

GY

G3

H2

RB

B8

RG

E4

WG

2

MB-21

MB-11

MB-22

MB-26

MB-25

MB-24

MB-27

MB-32

MB-28

MB-20

MB-14

MB-13

MB-12

MB-23

MB-31

MB-18

MB-17

MB-16

MB-15

MB-19

MB-30

HEADLIGHT RELA

Y RH

HEADLIGHT RELA

Y LH

HORN RELA

Y

GB

LY

BW

H4

C11

P-SUP(R)-03