Bulkhead Wiring Harness (In Engine Compartment): Location

Connector				Connecting to
No.	Pole	Color	Area	No.	Description
B3	5	Black	B-2		Air flow sensor
B6	2	Black	B-2		Front ABS wheel speed sensor RH
B8	5	Black	B-4		Front wiper motor
B10	4	Gray	B-4		A/C pressure switch
B11	20	Gray	B-3	T4	Transmission (AT model)
B12	8	Brown	B-3	T3	Transmission (Turbo model)
	12	Gray			Transmission (H4 Non-turbo model)
B14	1	Black	B-3		Starter (Magnet)
B15	2	Black	B-4		Front ABS wheel speed sensor LH
B16	2	Gray	B-4		Brake fluid level switch
B18	4	Gray	B-3		Front oxygen (A/F) sensor
B19	4	Green	B-2	T5	Rear oxygen sensor cord (Turbo model)
B20	16	Brown	B-3	E1	Engine wiring harness
B21	54	Black	B-3	E2
B22	16	Brown	B-3	E3	Engine wiring harness (H6 model)
B24	2	Gray	B-3	T1	Back-up light switch (MT model)
B25	2	Brown	B-4	T2	Neutral position switch (MT model)
B128	4	Gray	B-3	T9	Transmission harness (MT model)
B143	20	(1)	B-4		Main fuse box (M/B)
B144	9	Brown	B-4
B145	7	Brown	B-4
B146	2	Gray	C-4		Front washer motor
B147	2	Gray	C-4		Rear washer motor
B186	8	(1)	B-4		Main fuse box (M/B)
B301	26	Black	B-2		ABS control module
B310	42	Black	B-2		VDC control module
B312	2	Black	B-2	B347	Shield joint connector (VDC)
B347	2	Black	B-2	B312
B348	3	Black	B-2		Pressure sensor
B360	16	Gray	B-4	F109	Through joint connector
B361	14	Gray	B-4	F108
B392	2	Gray	B-3		Exhaust temperature sensor
AB13	2	Black	C-3		Front sub sensor LH
AB16	2	Black	B-1		Front sub sensor RH
E3	16	Brown	B-3	B22	Bulkhead wiring harness
E24	4	Light gray	B-4		Front oxygen (A/F) sensor LH
E25	4	Dark gray	B-4		Rear oxygen sensor LH
E47	4	Light gray	B-3		Front oxygen (A/F) sensor RH
E61	4	Dark gray	B-3		Rear oxygen sensor RH
(1) White or natural color

Fig 1: Bulkhead Wiring Harness Connectors (In Engine Compartment)

Courtesy of SUBARU OF AMERICA, INC.