Volkswagen B3 Passat
Radio-Wipers-Lights-Switches-Wiring

97 Electrical Wiring (Page GR-97)

Central locking system pump and control module

Location/terminal identification

Fuse/relay panel

Connections/plugs

Identification

Removing/installing

Multi-point connectors on fuse/relay panel

Removing/installing

Power window control module

Location/terminal identification

Wire harness routing

Left

Right

Volkswagen B3 Passat
Radio-Wipers-Lights-Switches-Wiring

Fuse/relay panel, identification (Page 97-10-1)

5 Fuse arrangement

according to the numbers on fuse panel from left to right:

1

Headlight, low beam, left

10

2

Headlight, low beam, right

10

3

Instrument panel lights, license plate lights

10

4

Rear window wiper (wagon)

15

5

Windshield wiper/washer

15

6

Fresh air fan

20

7

Side marker and taillights, right

10

8

Side marker and taillights, left

10

9

Rear window defogger

20

10

Open

11

Headlight, high beam, left

10

12

Headlight, high beam, right

10

13

Horn

15

14

Back-up lights, heated windshield washer nozzles

10

15

Deceleration fuel cut-off, fuel pump after run

10

16

Instrument cluster lights, glove compartment light

15

17

Emergency flashers

10

18

Fuel pump, oxygen sensor heater

20

19

Radiator cooling fan, A/C relay

30

20

Brake lights

10

21

Interior lights, cigarette lighter, digital clock

15

22

Radio

10

*Numbers in parentheses indicate production control number stamped on relay housing.

Relay location on fuse/relay panel

1

- A/C relay (13)*

2

- Rear window wiper (wagon) (72)*

3

- Open

4

- Load reduction relay (18)*

5

- Low coolant level control unit (43)*

6

- Emergency flasher relay (21)*

7

- Open

8

- Intermittent wash wipe relay (19)*

9

- Seat belt warning system control unit (27,34)*

10

- Open

11

- Horn relay (53)*

12

- Fuel pump relay (67,80)*

Separate relays above fuse/relay panel

13

- Back-up light fuse (auto. trans.)

14

- Radiator cooling fan after run control unit (31)*

15

- ABS hydraulic pump relay (78)*

16

- ABS relay (79)*

17

- Open

18

- Open

19

- A/C relay (56)*

20

- Starter cut-outback-up light relay (50)*

21

- ABS hydraulic pump fuse/power window fuse

22

- ABS valves fuse

23

- Cruise control fuse/automatic shoulder belt system fuse

24

- Open

Volkswagen B3 Passat
Radio-Wipers-Lights-Switches-Wiring

Fuse/relay panel, identification (Page 97-20-1)

Connections and plugs on fuse/relay panel

A1 - Headlight wiring harness (yellow)

A2 - Headlight wiring harness (yellow)

B

- Open

C

- Headlight wiring harness (yellow)

D

- Optional equipment wiring harness (green)

E

- Instrument wiring harness (green)

F

- Engine compartment wiring harness, right (white)

G1 - Engine compartment wiring harness, right (white)

G2 - Engine compartment wiring harness, right (white)

H1 - Steering column switch wiring harness (red)

H2 - Steering column switch wiring harness (red)

J

- Steering column switch wiring harness (red)

K

- Rear wiring harness (black)

L

- Rear wiring harness (black)

M

- Rear wiring harness (black)

N

- A/C wiring harness (green)

P

- Rear window defroster wiring harness (blue)

Q

- Instrument wiring harness (blue)

R

- Light switch wiring harness (blue)

S

- Engine compartment wiring harness, right (white)

T

- Two-point connector (green)

U1 - Instrument cluster wiring harness (blue)

U2 - Instrument cluster wiring harness (blue)

V

- Multi-function indicator wiring hamess (green)

W - Six-point connector (green)

X

- Warning lamp wiring harness (green)

Y

- Single connector, terminal 30

Z1 - Single connector

Z2 - Single connector, terminal 31,

30 - Single connector, terminal 30

30B - Single connector

31 - Single connector, terminal 31

Volkswagen B3 Passat
Radio-Wipers-Lights-Switches-Wiring

Fuse/relay panel, removing/installing (Page 97-24-1)

The fuse/relay panel is located underneath the left side of the instrument panel.

Removing

remove lower instrument panel trim, see

Repair Group 70

spread retaining clips 1 and disengage lock pins 2 from brackets 4

swing retaining clips 1 forward and puff from fuse/relay panel pins 3

spread left retaining bracket 4 and disengage from pin 5

lift fuse/relay panel from brackets 4

remove multi-point connectors from back of fuse/relay panel and remove fuse/relay
panel

Installing

install in reverse order of removal making sure pin 5 and retaining pins 2 engage
proper recesses in brackets 4

Volkswagen B3 Passat
Radio-Wipers-Lights-Switches-Wiring

Multi-point connectors on fuse/relay panel, removing/installing (Page 97-25-1)

Removing

pull open locking slide 1 on back of fuse/relay panel in direction indicated (arrow)

depress locking clip (arrow) and pull multi-point connector from fuse/relay panel

Installing

insert connector so that locking pins 2 face locking slide 1

push multi-point connector into appropriate location 4 until locking clip 3 engages

push locking slide 1 in direction indicated (arrow) until locked

Note

Fully insert all multi-point connectors into the fuse/relay panel before engaging locking slide 1.

Volkswagen B3 Passat
Radio-Wipers-Lights-Switches-Wiring

Wire harness routing, left (Page 97-30-1)

Note

Arrow in illustration points toward front of vehicle.

1 - To left rear door contact switch

2 - To central locking system motor

3 - To power window switch

4 - To left front door contact switch

5 - To power window switch

6 - To central locking system motor

7 - Automatic shoulder belt system wiring harness

8 - To heated power mirrors

9 - Anti-lock brake system (ABS) wiring harness

10 - Engine compartment wiring harness, right

11 - Cruise control system wiring harness

12 - Headlight wiring harness

13 - A/C wiring harness

14 - Rear wiring harness

15 - To seat heater

16 - To automatic transmission program switch

Volkswagen B3 Passat
Radio-Wipers-Lights-Switches-Wiring

Wire harness routing, left (Page 97-30-2)

17 - Automatic transmission wiring harness

18 - To seat heater

19 - Parking brake warning light switch

20 - To ashtray light

21 - Ground connection - for gear selector housing lights (automatic transmission)

22 - Automatic shoulder belt system wiring harness

23 - Anti-lock brake system (ABS) wiring harness

24 - To power window switch

25 - To right rear door contact switch

26 - To fuel gauge sending unit

27 - To taillights

28 - To central locking system motor

Volkswagen B3 Passat
Radio-Wipers-Lights-Switches-Wiring

Wire harness routing, right (Page 97-40-1)

Note

Arrow in illustration points toward front of vehicle.

1 - Automatic transmission wiring harness

2 - To heated power mirrors

3 - To power window switch

4 - Automatic shoulder belt system wiring harness

5 - To central locking system motor

6 - To right front door contact switch

7 - To power window switch

8 - To central locking system motor

9 - To right rear door contact switch

10 - To left rear door contact switch

11 - To power window switch

12 - Automatic transmission wiring harness

13 - Automatic shoulder belt system wiring harness

14 - To seat heater

15 - To parking brake warning light switch

16 - To ashtray light

17 - To seat heater

18 - Automatic transmission wiring harness

19 - To automatic transmission program switch

Volkswagen B3 Passat
Radio-Wipers-Lights-Switches-Wiring

Power window control module, location/terminal identification (Page 97-50-1)

Location

The/power window control module is located beneath the rear bench seat.

Connector terminal identification

11 = T8a/1
12 = T8a/2
13 = T 8a/3
14 = T 8a/4
15 = T 8a/5
16 = T 8a/6
17 = T 8a/7
18 = T 8a/8

21 = T 8c/1
22 = T 8c/2
23 = T8c/3
24 = T 8c/4
25 = T 8c/5
26 = T 8c/6
27 = T8c/7
28 = T 8c/8

31 = T8b/1
32 = T 8b/2
33 = T8b/3
34 = T 8b/4
35 = T 8b/5
36 = T 8b/6
37 = T 8b/7
38 = T 8b/8

Connector colors

T8a - Brown

T8b - White

T8c - Black

Note

See wiring diagram for wire routing to connectors T 8a, T 8b and T 8c. Always refer to
appropriate wiring diagram when performing any electrical tests or repairs.

Volkswagen B3 Passat
Radio-Wipers-Lights-Switches-Wiring

Central locking system pump and control module, location/terminal identification
(Page 97-60-1)

Location

Vehicle/model

Location of central locking system pump and
control module (V 69)

Passat sedan

luggage compartment, left side, rear

Passat wagon

luggage compartment, right side, next to spare tire
molding

Connector terminal identification

1 = T 12/1
2 = T 12/2
3 = T12/3
4 = T 12/4

5 = T 12/5
6 = T 12/6
7 = T 12/7
8 = T 12/8

9 = T 12/9
10 = T 12/10
11 = T 12/11
12 = T 12/12

Connector color

T 12 - transparent

Note

See wiring diagram for wire routing to connector T 12. Always refer to appropriate wiring diagram
when performing any electrical tests or repairs.