
No. Load
MB-2 Power window circuit breaker
MB-3Engine control module
Fuel pump relay
Main relay
OBD-II service connector
MB-4 A/C relay holder
MB-6 Headlight LH
MB-7Diode (Lighting)
Lighting switch
MB-8Combination meter
Headlight RH
MB-9Combination meter
Door lock timer
Luggage room light
Radio
Room light
MB-10 A/C relay holder
ALT-1 Combination meter
IG A/C relay holder
STCruise control module
Engine control module
Inhibitor switch
FB-2Engine control module
Main fan relay 1
FB-3Sub fan motor
Sub fan relay-2
FB-4Engine control module
Fuel pump relay
Ignition coil
Transmission control module
FB-6Side marker light LH
Side marker light RH
FB-7 Door lock timer
FB-9 Hazard switch
FB-10AT shift lock control module
Key warning switch
Power antenna
FB-11 Radio
FB-12 Cigarette lighter
FB-13 Remote control rearview mirror switch
FB-14AT shift lock control module
Combination switch
Front washer motor
Front wiper motor
Rear washer motor
Rear wiper motor
Rear wiper relay
FB-15 Transmission control module
FB-16Rear defogger
Rear defogger condenser
Rear defogger switch
FB-17 Rear defogger timer
FB-18AT shift lock control module
Inhibitor switch
FB-19 Hazard switchNo. Load
FB-20Combination meter
Mode control panel
Rear defogger timer
FB-22Blower motor relay
Check connector
FRESH/RECIRC actuator
Mode actuator
Power window relay
Seat belt timer
FB-23 Airbag control module
FB-24 Airbag control module
FB-25 Lighting switch
FB-26 Parking switch
FB-27 Parking switch
FB-28 Illumination light
FB-29 Illumination light
FB-30Stop light switch
Stop & brake switch
FB-31 Horn relay
FB-32 Blower motor relay
FB-33 Parking switch
FB-34License plate light LH
License plate light RH
Rear combination light LH
Rear combination light RH
Rear finisher light LH
Rear finisher light RH
FB-35Cruise control main switch
Cruise control module
FB-38 Main fan relay 1
20
6-3[D6A2]WIRING DIAGRAM
6. Wiring Diagram
![SUBARU LEGACY 1999 Service Repair Manual AC: SEAT BELT WARNING AND KEY WARNING SYSTEM
1. LHD MODEL
11 4
6-3[D6AC1]WIRING DIAGRAM
6. Wiring Diagram SUBARU LEGACY 1999 Service Repair Manual AC: SEAT BELT WARNING AND KEY WARNING SYSTEM
1. LHD MODEL
11 4
6-3[D6AC1]WIRING DIAGRAM
6. Wiring Diagram](/manual-img/17/57435/w960_57435-1393.png)
AC: SEAT BELT WARNING AND KEY WARNING SYSTEM
1. LHD MODEL
11 4
6-3[D6AC1]WIRING DIAGRAM
6. Wiring Diagram
![SUBARU LEGACY 1999 Service Repair Manual 7. Electrical Unit Location
A: LIST
Electrical unit Index No.
ABS control module <Ref. to 4-4 [T300].>
ABS G sensor (MT) <Ref. to 4-4 [T300].>
A/C compressor relay <Ref. to 6-3 [D7B1].>
A/C fuse <Ref. SUBARU LEGACY 1999 Service Repair Manual 7. Electrical Unit Location
A: LIST
Electrical unit Index No.
ABS control module <Ref. to 4-4 [T300].>
ABS G sensor (MT) <Ref. to 4-4 [T300].>
A/C compressor relay <Ref. to 6-3 [D7B1].>
A/C fuse <Ref.](/manual-img/17/57435/w960_57435-1412.png)
7. Electrical Unit Location
A: LIST
Electrical unit Index No.
ABS control module
ABS G sensor (MT)
A/C compressor relay
A/C fuse
A/C main fan relay 1
A/C main fan relay 2
A/C pressure switch
A/C sub fan relay 2
ATF temperature sensor
Blower motor resistor
Blower relay
Camshaft position sensor
Check connector
Clutch switch (MT)
Crankshaft position sensor
Cruise control module
Cruise control pump
Data link connector (for
OBD-II G.S.T.)
Data link connector (for
S.S.M.)
Diagnosis connector
Diagnosis terminal (Ground)
Door lock timer
Engine control module
Engine coolant temperature
sensor
Engine hood switch (Secu-
rity)
Evaporator thermoswitch
F/B
FRESH/RECIRC actuator
Fuel pump relay
Fuel gauge module
Fuel gauge sub module
(AWD)
FWD switch (AT)
Headlight alarm relay
(Security)
Headlight relay LH
Electrical unit Index No.
Headlight relay RH
Horn relay
Hydraulic unit (ABS)
Ignition coil
Ignitor
Idle air control solenoid
valve
Illumination control module
Inhibitor switch
Knock sensor
Main fan relay
Main relay
Mass air flow sensor
Mode actuator
M/B
Oil pressure switch
Oxygen sensor
Pedal stroke sensor (TCS)
Power window and sunroof
relay
Power window circuit
breaker
Purge control solenoid valve
Rear defogger relay
Seat belt timer
Security control module
Shift lock control module
Starter interrupt relay (Secu-
rity)
Stop & brake switch (With
cruise control)
Sunroof control module
Tail and illumination relay
TCS control module
TCS motor relay
TCS valve relay
Throttle position sensor
Test mode connector
Transmission control mod-
ule
Turn & hazard module
Vehicle speed sensor 1
Vehicle speed sensor 2
133
[D7A0]6-3WIRING DIAGRAM
7. Electrical Unit Location
![SUBARU LEGACY 1999 Service Repair Manual 2. INSTRUMENT PANEL
B6M0218D
(12) Mode actuator <Ref. to 6-3
[D7B4].>
(13) Blower relay <Ref. to 6-3
[D7B4].>
(14) Horn relay <Ref. to 6-3 [D7B4].>
(15) F/B <Ref. to 6-3 [D7B4].>
(16) Turn & hazard mo SUBARU LEGACY 1999 Service Repair Manual 2. INSTRUMENT PANEL
B6M0218D
(12) Mode actuator <Ref. to 6-3
[D7B4].>
(13) Blower relay <Ref. to 6-3
[D7B4].>
(14) Horn relay <Ref. to 6-3 [D7B4].>
(15) F/B <Ref. to 6-3 [D7B4].>
(16) Turn & hazard mo](/manual-img/17/57435/w960_57435-1414.png)
2. INSTRUMENT PANEL
B6M0218D
(12) Mode actuator
(13) Blower relay
(14) Horn relay
(15) F/B
(16) Turn & hazard module
(17) Rear defogger relay
(18) Tail & illumination relay
(20) Seat belt timer
(21) Illumination control module
(22) Shift lock control module
(23) Power window circuit breaker
(24) Power window & sunroof relay
(26) Blower motor resistor
(27) Door lock timer
(28) FRESH/RECIRC actuator
(29) Evaporator thermoswitch
135
[D7B2]6-3WIRING DIAGRAM
7. Electrical Unit Location

D: BULKHEAD WIRING HARNESS (IN COMPARTMENT)
1. LHD MODEL
Connector Connecting to
No. Pole Color Area No. Name
B30 24 * C-1 D1 Front door cord LH
B31 7 Yellow C-1 AB1 SRS (Airbag) harness
B32 3 Black C-1 Turn & hazard module
B33 4 Brown B-1 Diode (Brake fluid level)
B352 Black B-1Diode (Without step
light)
4 Brown B-1 Diode (With step light)
B36 22 Black C-1 i1
Instrument panel wiring
harness B37 22 * C-1 i2
B38 22 Brown C-1 i3
B39 20 Blue C-1 i4
B40 16 Gray C-2 Data link connector
B41 2 * C-2Power window circuit
breaker
B42 4 * C-2Power window and sun-
roof relay
B43 6 Black C-2Illumination control mod-
ule
B44 8 * C-2 Seat belt timer
B45 4 * B-1 R53 Sunroof cord
B46 4 Green B-1 Fuel pump relay
B47 6 Brown B-1 Main relay
B48 4 Blue B-1 Front fog light relay
B49 3 Black B-1 Horn relay
B50 4 * B-1 Blower relay
B51 11 Gray B-1
F/B
B52 12 Gray B-1
B53 6 Gray B-2Shield joint connector
(AT)
B54 24 * B-2
Transmission control
module
B55 24 Gray B-2
B57 12 Black B-2 Shift-lock control module
B59 3 * B-1 Interrupt relay (Security)
B60 4 * B-2Shield joint connector
(With TCS model)
B61 8 * B-2 F44
Front wiring harness
B62 20 * B-1 F45
B63 40 Gray B-1 P10Floor harness (With TCS
model)
B64 2 Black B-2 Stop light switch
B65 4 Black B-2Stop & brake switch
(With cruise control)
B66 3 Black B-2Pedal stroke sensor
(TCS)
B67 4 Black B-2Pedal stroke switch
(TCS)
B68 5 Black B-3 Slip ring
B69 11 Black B-3
Combination switch B70 9 * B-3
B71 8 * B-3
B72 6 Black B-3 Ignition switch
B73 2 Black B-3 Key lock solenoid (AT)
B74 2 Black B-3 Key warning switch
B75 2 Green C-2 B76
Test mode connector
B76 2 Green C-3 B75
B77 10 Brown B-2 Mode actuator
B79 14 Gray C-2 Check connector
B80 4 Blue B-2 i20Instrument panel wiring
harness
Connector Connecting to
No. Pole Color Area No. Name
B81 1´2 * C-2Diagnosis terminal
(Ground)
B82 6 Black C-2 Diagnosis connector
B834 * C-3Shield joint connector
(2500 cc engine model)
6 * D-4Shield joint connector
(2200 cc engine model)
B84 96Light
blueB-3Engine control module
(2500 cc engine model)
B86 4 * B-3 Blower motor resistor
B87 2 * B-3 Blower motor
B88 3 Black B-3 Evaporator thermoswitch
B89 2 Black B-3 Diode (Security)
B90 4 * B-4 R50 Room light cord
B91 4 * B-4FRESH/RECIRC actua-
tor
B92 8 * B-4 Door lock timer
B93 18 * C-2 Security control module
B94 20 Black B-4 Cruise control module
B95 2 Black B-4Diode (Daytime running
light)
B96 10 * B-4Daytime running light
control module
B97 8 * B-4 R1 Rear wiring harness
B98 24 Black B-4 R2 Rear wiring harness
B99 24 * B-4 R3 Rear wiring harness
B100 20 Blue B-4 F2Front wiring harness
(With ABS model)
B101 24 * B-4 D11 Front door cord RH
B102 5 Black B-4Daytime running light
relay
B103 4 Blue B-4High-beam relay (Day-
time running light)
B104 4 Pink B-4 Rear power supply relay
B105 5 Green B-1Starter interlock relay
(MT)
B106 2 * B-1 Clutch switch (MT)
B107 2 Blue B-1Clutch switch (Cruise
control)
B108 2 Black B-2 F46Front wiring harness
(Outback)
B109 4 Black C-1 Fuse holder (Outback)
B112 2 Black B-1 Diode (Front fog light)
B113 2 * C-1 D50 Front door cord LH
B134 35 * D-4
Engine control module
(2200 cc engine model) B135 28 * D-4
B136 30 * C-4
B176 16 * B-2Keyless entry control
module
B178 3 * B-4 R85Rear wiring harness
(Wiper deicer)
B183 1 * C-1 B184
Program connector
(Security)
B184 1 * C-1 B183
B205 2 * B-2Keyless entry short con-
nector
*: Non-colored
Connector Connecting to
No. Pole Color Area No. Name
S1 3 White D-3 Cruise control sub switch
150
6-3[D8D1]WIRING DIAGRAM
8. Electrical Wiring Harness and Ground Point

2. RHD MODEL
Connector Connecting to
No. Pole Color Area No. Name
B30 24 * C-4 D1 Front door cord RH
B31 7Yel-
lowC-4 AB1SRS (Airbag) har-
ness
B32 3 Black C-4Turn & hazard mod-
ule
B36 22 Black C-3 i1
Instrument panel
wiring harness B37 22 * C-3 i2
B38 22 Brown C-3 i3
B39 20 Blue C-3 i4
B40 16 Gray C-3 Data link connector
B41 2 * C-3Power window circuit
breaker
B42 4 * C-3 Power window relay
B43 6 Black C-3Illumination control
module
B44 8 * C-3 Seat belt timer
B46 4 Green B-4 Fuel pump relay
B47 6 Brown B-4 Main relay
B49 3 Black B-4 Horn relay
B50 4 * B-4 Blower relay
B51 11 Gray C-4
F/B
B52 12 Gray C-4
B53 6 Gray B-3Shield joint connec-
tor (AT)
B54 24 * B-3
Transmission control
module
B55 24 Gray B-3
B57 12 Black B-3Shift-lock control
module
B61 8 * B-4 F44
Front wiring harness
B62 20 * B-4 F45
B64 2 Black B-3 Stop light switch
B65 4 Black B-3Stop & brake switch
(With cruise control)
B68 5 Black B-3Cruise control sub
switch
B69 11 Black C-3
Combination switch B70 9 * C-3
B71 8 * B-3
B72 6 Black C-3 Ignition switch
B73 2 Black B-3 Key lock solenoid
B74 2 Black B-3 Key warning switch
B75 2 Green B-2 B76
Test mode connector
B76 2 Green B-2 B75
B77 7 * B-2 Mode actuator
B78 9Yel-
lowB-2 Data link connector
B79 14 Gray C-2 Check connector
B80 4 Blue B-2 i20Instrument panel
wiring harnessConnector Connecting to
No. Pole Color Area No. Name
B81 1´2 * B-2Diagnosis terminal
(Ground)
B82 6 Black B-2 Diagnosis connector
B83 6 * C-1Shield joint connec-
tor (E/G)
B85 4 Brown B-3 Diode (Lighting)
B86 4 Black B-1Blower motor resis-
tor
B87 2 Black B-1 Blower motor
B88 3 Black B-1Evaporator ther-
moswitch
B90 2 Green B-4 R50 Room light cord
B91 5 * B-1FRESH/RECIRC
actuator
B92 8 * B-1 Door lock timer
B94 20 Black B-1Cruise control mod-
ule
B97 56 * B-4 R1Rear wiring harness
(S.M.J.)
B101 24 * B-1 D11 Front door cord LH
B111 3 Gray C-4 F/B
B113 2 * C-4 D50 Front door cord RH
B114 2 Black C-3Diode (Door warn-
ing)
B134 35 * C-2
Engine control mod-
ule B135 28 * C-2
B136 30 * C-2
*: Non-colored
152
6-3[D8D2]WIRING DIAGRAM
8. Electrical Wiring Harness and Ground Point

G: REAR WIRING HARNESS
1. LHD MODEL
Connector Connecting to
No. Pole Color Area No. Name
R1 8 * B-2 B97 Bulkhead wiring harness
R224 Black B-2 B98Bulkhead wiring harness
(2200 cc engine AWD except Taiwan model)
20 * B-2 B98 Bulkhead wiring harness (Other models)
R3 24 * B-2 B99 Bulkhead wiring harness
R4 1 Black B-2 Parking brake switch
R5 2 * C-2 Select lever illumination light (AT)
R6 2 Black C-2 Shift lock solenoid (AT)
R7 2 * C-2 P position switch (AT)
R8 2 * C-3 Seat belt switch
R9 1 Brown C-4 Front door switch LH
R10 2 * C-4 D22 Rear door cord LH (Security)
R11 8 * C-4 D21 Rear door cord LH
R12 1 Brown B-2 Front door switch RH
R13 2 * B-2 D28 Rear door cord RH (Security)
R14 8 * B-2 D27 Rear door cord RH
R158 * B-3 R57 Fuel tank cord (Except Taiwan model)
6 Black B-3 R57 Fuel tank cord (Taiwan model)
R16 1 Brown B-3 Rear door switch RH
R29 3 * C-2 Diode (Security)
R30 2 Black C-2 Diode (Rear gate latch switch) (Wagon)
R31 3 * C-2 Diode (Security)
R41 4 Blue B-2 Seat heater (Passenger)
R42 6 * B-3 Seat heater switch (Passenger)
R43 6 Blue B-3 Seat heater switch (Driver)
R44 4 Blue C-3 Seat heater (Driver)
R46 2 * B-3 R67 Fuel tank cord (Except Taiwan model)
R47 3 * B-4 Fuel tank pressure sensor (2200 cc engine AWD model)
R50 4 * B-2 B90 Bulkhead wiring harness
R51 2 * B-2 Vanity mirror illumination light RH
R52 2 * A-3 Room light
R53 4 * C-3 B45 Bulkhead wiring harness
R54 2 * B-3 Vanity mirror illumination light LH
R55 1 * B-3 Sunroof control module (Except OUTBACK)
R56 2 * B-3 Spot light
R578 * B-3 R15 Rear wiring harness (Except Taiwan model)
6 Black B-3 R15 Rear wiring harness (Taiwan model)
R58 6 * B-3 Fuel gauge module & fuel pump
R59 2 * B-4 Fuel gauge sub module (AWD)
R67 2 * B-3 R46 Rear wiring harness (Except Taiwan model)
R68 2 * B-3 Pressure control solenoid valve
R69 2 * B-3 Vent control solenoid valve
R83 4 * B-3 R84 Fuel tank cord (2200 cc engine AWD model)
R84 4 * B-3 R83 Rear wiring harness (2200 cc engine AWD model)
R85 3 * B-2 B178 Bulkhead wiring harness (Wiper deicer)
R86 8 * B-3 Wiper deicer switch
R87 4 Blue C-3 Wiper deicer relay
R88 4 * C-3 Wiper deicer timer
R89 6 Black A-3 Sunroof control module (OUTBACK)
R90 6 Brown A-3 Sunroof switch (OUTBACK)
*: Non-colored
162
6-3[D8G1]WIRING DIAGRAM
8. Electrical Wiring Harness and Ground Point

2. RHD MODEL
Connector Connecting to
No. Pole Color Area No. Name
R1 56 * B-2 B97 Bulkhead wiring harness (S.M.J.)
R4 1 Black B-2 Parking brake switch
R5 2 * B-2 Select lever illumination light
R6 2 Black B-2 Shift lock solenoid
R7 2 * B-2 P position switch
R8 2 * B-2 Seat belt switch
R9 1 Brown B-3 Front door switch LH
R11 8 * B-4 D21 Rear door cord LH
R12 1 Brown B-2 Front door switch RH
R14 8 * B-2 D27 Rear door cord RH
R15 8 * B-3 R57 Fuel tank cord
R16 1 Brown A-3 Rear door switch RH
R30 2 Black B-2 Diode (Rear gate latch switch)
R46 2 * B-3 R67 Fuel tank cord
R47 3 * B-4 Fuel tank pressure sensor
R50 2 Green B-2 B90 Bulkhead wiring harness
R52 2 * A-3 Room light
R57 8 * B-3 R15 Rear wiring harness
R58 6 * A-3 Fuel gauge module & fuel pump
R59 2 * B-4 Fuel gauge sub module
R67 2 * B-3 R46 Rear wiring harness
R68 2 * B-3 Pressure control solenoid valve
R69 2 * A-3 Vent control solenoid valve
R83 4 * B-3 R84 Fuel tank cord
R84 4 * B-3 R83 Rear wiring harness
*: Non-colored
164
6-3[D8G2]WIRING DIAGRAM
8. Electrical Wiring Harness and Ground Point