Components and Connectors (cont.d)

Make

Alfa Romeo

Model

145/146 Electrical System Diagnosis Manual, Volume 3

Year

1994–2001

Section

Heater › Components and Connectors (cont.d)

145 electrical system diagnosisComponents and Connectors (cont.d)

Components and Connectors (cont.d)

Connector for heating and ventilation control wiring		G43
2.5BLK • Q4 [A]	2.5BLK	1. 2.5BLK • G148b
BLK • F8b	BLK • B98	2. YEL • YEL-RED • G1 [D]
BLK • F8a	BLK • Q27	3. 2.5ORN • G1 [H]
YEL-BLK • F8a	YEL-BLK • B98	2.5PNK • Q1
YEL-BLK • F8b	YEL-BLK • B98	PNK • Q4 [B]
PNK • Q4 [B]	PNK • B98	2.5PNK • Q1

Earth under LH dashboard	G148b	Heater fan	Q1
2.5BLK • G1 [C]	2.5BLK • G43	2.5BLK-BLU • Q4 [A]	2.5BLK-BLU
1.5BLK-BLU • Q5	2.5BLK-BLU • Q5	PNK • Q4 [B]	2.5PNK • G43
PNK • Q4 [B]	PNK • B98	PNK • Q4 [B]	PNK • G43

Heater fan control	Q4 [A]	2Heater fan control	Q4 [B]
1.5BLK-BLU • Q5	2.5BLK-BLU • B	PPL • B98	RED-BLK • Q27
2.5BLK-BLU • Q1	1.5WHT • Q5 • C	LTB-BLK • Q27	LTB-BLK • B98
BLK • F8a	BLK • Q27	LTB-BLK • B98	1.5GRY • Q5
BLK • B98	2.5BLK • A	2.5PNK • Q1	PNK • G43
BLK • F8b	2.5BLK • G43	PNK • B98	PNK • B98

Heater fan speed adjustment resistance	Q5	Air recirculation port control motor	Q27
1GRN • Q4 [B]	2.5BLK-BLU • Q1	LTB-BLK • Q4 [B]	LTB-BLK • B98
1.5GRY • Q4 [B]	2.5BLK • Q4 [A]	2.5BLK • Q4 [A]	BLK • F8a
1.5WHT • Q4 [A]	2.5BLK-BLU • Q4 [A]	BLK • F8b	RED-BLK • Q4 [B]

01 Diagnostics