SEAT LEON 2004 — Seats and rear-view mirrors with memory . Wiring diagrams, Pin Connector, Location

Wiring Diagram SEAT LEON 2004 - Adjustment control unit - seat with memory - emergency button - button for driver 1 - seat with memory - button for driver 2 - seat with memory

E190	Emergency button
E218	Button for driver 1, seat with memory
E219	Button for driver 2, seat with memory
E220	Button for driver 3, seat with memory
J136	Adjustment control unit, seat with memory
T16a	16-way connector, driver's seat
T28	28-way connector, driver's seat

Wiring Diagram SEAT LEON 2004 - Adjustment control unit - seat with memory - backrest adjustment switch - driver's seat - front seat base height adjustment button - upwards - driver's seat

E96	Backrest adjustment switch, driver's seat
E208	Front seat base height adjustment button, upwards, driver's seat
E209	Front seat base height adjustment button, downwards, driver's seat
E210	Rear seat base height adjustment button, upwards, driver's seat
E211	Rear seat base height adjustment button, downwards, driver's seat
E212	Longitudinal adjustment button, forwards, driver's seat
E213	Longitudinal adjustment button, backwards, driver's seat
J136	Adjustment control unit, seat with memory
T16a	16-way connector, driver's seat
T28	28-way connector, driver's seat

Wiring Diagram SEAT LEON 2004 - Adjustment control unit - seat with memory - seat longitudinal adjustment motor - driver's seat - seat base height adjustment motor - front - driver's seat

J136	Adjustment control unit, seat with memory
V28	Seat longitudinal adjustment motor, driver's seat
V29	Seat base height adjustment motor, front, driver's seat
V30	Seat base height adjustment motor, rear, driver's seat
T4e	4-way connector, driver's seat
T4f	4-way connector, driver's seat
T4g	4-way connector, driver's seat
T12c	12-way connector, driver's seat

Wiring Diagram SEAT LEON 2004 - Adjustment control unit - with memory - backrest adjustment motor - driver's seat

J136	Adjustment control unit, seat with memory
V45	Backrest adjustment motor, driver's seat
T2b	2-way connector, driver's seat
T4d	4-way connector, driver's seat
T6j	6-way connector, driver's seat
T6k	6-way connector, driver's seat
T8j	8-way connector, driver's seat
T10t	10-way connector, driver's seat
T28	28-way connector, driver's seat
A56	Positive connection -2- (30), in the instrument wiring harness
A61	Positive connection (X), instrument panel wiring harness
W39	Connection (rear-view mirror memory), underbody wiring harness
W45	Connection -2- (mirror position memory), underbody wiring harness
*	Only in vehicles without memories

Wiring Diagram SEAT LEON 2004 - Adjustment control unit - seat with memory

F4	Reversing light switch
J136	Adjustment control unit, seat with memory
J285	Control unit with warning lamps on instrument panel
T2b	2-way connector, driver's seat
T6j	6-way connector, driver's seat
T6k	6-way connector, passenger's seat
T10t	10-way connector, driver's seat
T16	16-way connector, self-diagnosis
T28	28-way connector, driver's seat
T32	32-way connector, blue, instrument panel
33	Earth point, behind the instrument panel, on the right
81	Earth connection -1-, instrument panel wiring harness
135	Earth connection -2-, instrument panel wiring harness
A76	Connection (diagnosis cable K), instrument panel wiring harness
A87	Conection (reversing light), instrument panel wiring harness
B229	Connection (High-Bus), interior wiring harness
B230	Connection (Low-Bus), interior wiring harness
*	Only in vehicles without memories

Wiring Diagram SEAT LEON 2004 - Door control unit - driver's side - mirror folding system contact switch - driver's side - mirror regulating motor (driver's side)

F260	Mirror folding system contact switch, driver's side
J386	Door control unit, driver's side
V17	Mirror regulating motor (driver's side)
V121	Folding mirror motor, driver's side
V149	Mirror adjusting motor, driver's side
Z4	Heated exterior mirror, driver's side
T10i	10-way connector, black, interconnection, strut A, left
T10q	10-way connector, driver's door
T10g	12-way connector, driver's door
T29	29-way connector, driver's door
267	Earth connection -2-, driver's door wiring harness
B229	Connection (High-Bus), interior wiring harness
B230	Connection (Low-Bus), interior wiring harness

Wiring Diagram SEAT LEON 2004 - Door control unit - driver's side - mirror adjustment switch - mirror adjustment switch illumination

D	Ignition/starter switch
E20	Lighting regulator-switches and instruments
E43	Mirror adjustment switch
E48	Mirror adjustment change-over switch
E231	Exterior mirror heating button
E263	Mirror fold system switch
J386	Door control unit, driver's side
J393	Convenience system central control unit
L78	Mirror adjustment switch illumination
T7	7-pin connector, in centre console
T10c	10-pin connector, blue, connector point left A pillar
T10p	10-pin connector, in driver's door
T23	23-pin connector, under steering wheel
T29	29-pin connector, in driver's door
A11	Positive (+) connection (58b), in dash panel wiring harness
A20	Connection (15a), in dash panel wiring harness
*	Mirror heating exterior mirror (northern countries)

Wiring Diagram SEAT LEON 2004 - Door control unit - driver's side - door control unit - passenger's side

D	Ignition and starter switch
J59	Discharge relay for contact X
J386	Door control unit, driver's side
J387	Door control unit, passenger's side
J393	Comfort system central control unit
S1	Fuses in fuse holder/relay plate
S14	Fuses in fuse holder/relay plate
S45	Seat adjustment fuse
S238	Fuse in fuse holder
T10i	10-way connector, black, interconnection, strut A, left
T10k	10-way connector, black, interconnection, strut A, right
T23	23-way connector, under the steering wheel
T29	29-way connector, driver's door
T29a	29-way connector, passenger's door
43	Earth point, strut A, on the right, down
44	Earth point, strut A, on the left, down
501	Bolted joint -2- (30), on the relay plate
503	Bolted joint -2- (75x), on the relay plate
A32	Positive connection (30), instrument panel wiring harness
B156	Positive connection (30a), interior wiring harness
*	Only in vehicles without memories

Wiring Diagram SEAT LEON 2004 - Door control unit - passenger's side - mirror folding system contact switch - passenger's side - mirror regulating motor (passenger's side)

F261	Mirror folding system contact switch, passenger's side
J387	Door control unit, passenger's side
V25	Mirror regulating motor (passenger's side)
V122	Folding mirror motor, driver's side
V150	Rear-view mirror adjustment motor, passenger's side
Z5	Heated exterior mirror, passenger's side
T10k	10-way connector, black, interconnection, strut A, right
T10r	10-way connector, passenger's door
T12h	12-way connector, passenger's door
T29a	29-way connector, passenger's door
268	Earth connection -2-, passenger's door wiring harness
B229	Connection (High-Bus), interior wiring harness
B230	Connection (Low-Bus), interior wiring harness

SEAT LEON 2004 Overview of earth points in engine compartment

Overview of earth points in engine compartment    

1 -	Earth point, in centre of plenum chamber -608-

q	Location → page 801/2

2 -	Earth point, in plenum chamber -10-

q	Location → page 801/2

3 -	Earth point, on right in plenum chamber -609-

q	Location → page 801/3

4 -	Earth strap, battery - body -1-

q	Location → page 801/3

5 -	Earth points, in left engine compartment -12-

q	Location → page 801/4

6 -	Earth strap, gearbox - body -2-

q	Location → page 801/4

Toledo/León	Fitting Locations	No.  801 / 2

608 Earth point, in centre of plenum chamber ⇒ -arrow-

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10 Earth point, in plenum chamber ⇒ -arrow-

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Toledo/León	Fitting Locations	No.  801 / 3

609 Earth point, on right in plenum chamber ⇒ -arrow-

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1 Earth strap, battery - body ⇒ Arrow A

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Toledo/León	Fitting Locations	No.  801 / 4

12 Earth points, on left in engine compartment ⇒ -arrow B-

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2 Earth strap, gearbox - body ⇒ -arrow-

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Toledo/León	Fitting Locations	No.  801 / 5

Overview of earth points in vehicle interior

1 -	Earth point, lower part of right A-pillar -43-

q	Location → page 801/7

2 -	Earth point, right B-pillar -78-

q	Location → page 801/7

3 -	Earth point, left B-pillar -77-

q	Location → page 801/8

4 -	Earth point, lower part of left A-pillar -44-

q	Location → page 801/8

5 -	Earth point, on right behind dash panel -42-

q	Location → page 801/9

6 -	Earth point, on right behind dash panel -33-

q	Location → page 801/9

Toledo/León	Fitting Locations	No.  801 / 6

7 -	Earth point, on left behind dash panel insert -32-

q	Location → page 801/10

8 -	Earth point, behind dash panel -45-

q	Location → page 801/10

Toledo/León	Fitting Locations	No.  801 / 7

43 Earth point, lower part of right A-pillar ⇒ -arrow-

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78 Earth point on right B-pillar ⇒ -arrow-

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Toledo/León	Fitting Locations	No.  801 / 8

77 Earth point on left B-pillar ⇒ -arrow-

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44 Earth point, lower part of left A-pillar ⇒ -arrow-

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Toledo/León	Fitting Locations	No.  801 / 9

33 Earth point behind dash panel on right ⇒ -arrow-   42 Same earth point as ⇒ -arrow-

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Toledo/León	Fitting Locations	No.  801 / 10

32 Earth point behind dash panel on left ⇒ -arrow-

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45 Earth point, behind dash panel

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Toledo/León	Fitting Locations	No.  801 / 11

SEAT LEON 2004 Overview of earth points in luggage compartment (Toledo)

Overview of earth points in luggage compartment (Toledo)

1 -	Earth point, on left in luggage compartment -50-

q	Location → page 801/12

Toledo/León	Fitting Locations	No.  801 / 12

50 Earth point, on left in luggage compartment

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Toledo/León	Fitting Locations	No.  801 / 13

SEAT LEON 2004 Overview of earth points in luggage compartment (León)

Overview of earth points in luggage compartment (León)

1 -	Earth point, left rear pillar -57-

q	Location → page 801/14

Toledo/León	Fitting Locations	No.  801 / 14

57 Earth point, left rear pillar

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SEAT LEON 2004 Overview of coupling station and connections for wiring harness

Overview of coupling station and connections for wiring harness    

1 -	Coupling station in protective housing, in plenum chamber

q	With connectors -T10g-, -T10d-, -T10e-, -T10-, -T6l-, -T10h-, -T10v-

q	Location → page 803/2

2 -	Coupling station, right B-pillar

q	With connector -T10m-

q	Location → page 803/4

3 -	Coupling station on left of C-pillar

q	Location → page 803/4

4 -	Coupling station on left of A-pillar

q	With connector -T10i-

q	Location → page 803/5

5 -	Coupling station in engine compartment, in left wiring harness

q	Location → page 803/5

Toledo/León	Fitting Locations	No.  803 / 2

Coupling station in protective housing, in plenum chamber

1 -	10-pin connector -T10g-, grey, automatic gearbox

2 -	10-pin connector, -T10d-, white, data bus wire, engine control unit, automatic gearbox, Motronic control unit, ABS control unit

3 -	10-pin connector -T10e-, black, cruise control system, Motronic control unit, engine control unit

4 -	10-pin connector -T10-, orange, reversing lights, engine control unit, starter, Climatronic control unit, Motronic control unit

5 -	6-pin connector -T6l-, brown, starter, fuel pump relay, engine control unit

Toledo/León	Fitting Locations	No.  803 / 3

6 -	10-pin connector -T10h-, blue, accelerator position sender, Motronic control unit, engine control unit

7 -	10-pin connector, -T10v-, green, radiator outlet coolant temperature sender, radiator fan control unit, potentiometer for temperature selection rotary knob

Toledo/León	Fitting Locations	No.  803 / 4

SEAT LEON 2004 Coupling station, right B-pillar Coupling station, right B-pillar 1 -  10-pin connector -T10m-, black, signal loudspeakers, central locking, rear electric window regulator, rear door warning lamp The wiring on the B-pillar, left, is installed vice versa.

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SEAT LEON 2004 Coupling station on left of C-pillar Coupling station on left of C-pillar See connectors in fitting locations: Multi-pin connections. 1 -  Earth connection 2 -  Rear fog light, number plate light, reversing lights black 3 -  Rear window wiper and washer system (only for Leon) pink 4 -  Central locking brown

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Toledo/León	Fitting Locations	No.  803 / 5

SEAT LEON 2004 Coupling station on left of A-pillar Coupling station on left of A-pillar 1 -  10-pin connector -T10i-, black, central locking, electric mirror adjustment, radio with muting / electric windows The wiring on the A-pillar, right, is installed vice versa.

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SEAT LEON 2004 Coupling station in engine compartment, in left wiring harness Coupling station in engine compartment, in left wiring harness See connectors in fitting locations: Multi-pin connections.

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SEAT LEON 2004 Overview of relay

Overview of relay    

1 -	Relay in left engine compartment

q	Position of relays → page 804/2

2 -	Relay on relay plate

q	Position of relays → page 804/3

2 -	Relay on the 13 position additional relay carrier above the relay plate

q	Position of relays → page 804/4

Toledo/León	Fitting Locations	No.  804 / 2

Relay in left engine compartment: A -  Secondary air pump relay -J299- (100)  -  High heat output relay -J360- (100) (only models with auxiliary heater) B -  Terminal 30 voltage supply relay -J689- (428)  -  Current supply relay for Simos control unit -J363- (429) (for models with engine code BFQ only)  -  Low heat output relay -J359- (53) (only models with auxiliary heater) C -  Vacant

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Toledo/León	Fitting Locations	No.  804 / 3

SEAT LEON 2004 Relay on relay plate Relay on relay plate 1 -  Dual tone horn relay -J4- (53) 2 -  X-contact relief relay -J59- (100) 3 -  Vacant 4 -  Fuel pump relay -J17- (409)  -  Glow plug relay -J52- (103) V y Vl -  Automatic intermittent wash and wipe relay -J31-  -  with rain sensor, with/without headlight washer system (192)  -  without rain sensor, with headlight washer system (389)  -  without rain sensor, without headlight washer system (377)

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Toledo/León	Fitting Locations	No.  804 / 4

SEAT LEON 2004 Relay on the 13 position additional relay carrier above the relay plate Relay on the 13 position additional relay carrier above the relay plate Left-handdrive vehicles: 1 -  Telephone relay 2....9 -  Vacant 10 -  Fuel pump relay (turbo diesel engine unit injectors) (167) -J17- (up to October 2002)  -  Fuel pump relay (TDI-PD) (53) (from November 2002) 11 -  Automatic gearbox relay AG4 -J60- (175) 12 -  Terminal 30 voltage supply relay -J317- (109) 13 -  Radiator fan relay (53)

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Right-handdrive vehicles: 1....5 -  Vacant 6 -  Telephone switch-over relay 7 -  Radiator fan relay -J26- (53) 8 -  Terminal 30 voltage supply relay (109) 9 -  Automatic gearbox relay AG4 -J60- (175) 10 -  Fuel pump relay (turbo diesel engine unit injectors)-J17- (167) (up to October 2002)  -  Fuel pump relay (TDI-PD) (53) (from November 2002) 11 -  Vacant 12 -  Cigarette lighter relay Australia -J193- (53) 13 -  Vacant

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Toledo/León	Fitting Locations	No.  804 / 5

SEAT LEON 2004 Glow plug activation control unit: Glow plug activation control unit: A -  Glow plug activation control unit -J370- (with engine code ARL only)

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SEAT LEON 2004 Overview of fuses

Overview of fuses    

1 -	Fuse in fuse holder left dash panel

q	Location → page 802/2

q	Position of fuses → page 802/3

2 -	Auxiliary fuse above additional relay carrier -S37-, -S45-, -S323-, -S111-, -S144-

q	Location → page 802/7

3 -	Fuse on fuse holder -S162-, -S163-, -S164-, -S176-, -S177-, -S178-, -S179-, -S180-, next to battery

q	Location, up to August 2000: → Page 802/8

q	Location, from September 2000: → Page 802/9

Toledo/León	Fitting Locations	No.  802 / 2

Fuse in fuse holder, dash panel Fuse colours 30 A -  green 25 A -  white 20 A -  yellow 15 A -  blue 10 A -  red 7,5 A -  brown 5 A -  beige 3 A -  purple The fuse electrical connections are shown in the respective current flow diagrams. The fuses for options not mentioned are also shown in the respective Current flow diagrams. Fuses from S 24 are designated with an additional characteristic o. distinctive feature "2" in the Current Flow Diagram, for example: S 40 is designated as S 240.

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Toledo/León	Fitting Locations	No.  802 / 3

SEAT LEON 2004 Position of fuses in fuse holder, left dash panel

Position of fuses in fuse holder, left dash panel

No.		Current Flow Diagram designation	Nominal value		Function/component	Terminal
1	-	-S1-	10A	-	Glove compartment light, heated washer jets
2	-	-S2-	10A	-	Turn signals
3	-	-S3-	5A	-	Side light warning lamp
4	-	-S4-	5A	-	Number plate light
5	-	-S5-	7.5A	-	Number plate light
6	-	-S6-	5A	-	Electric folding exterior mirror and window regulator (applicable up to October 2001) Convenience system central control unit (applicable from November 2001)
7	-	-S7-	10A	-	Reversing light
8	-	-S8-	5A	-	Telephone
9	-	-S9-	5A	-	ABS/ESP/HALDEX
10	-	-S10-	10A	-	Petrol engine control unit (applicable up to October 2001) Diesel engine control unit (applicable up to October 2001) - S-contact (applicable from November 2001)
11	-	-S11-	5A	-	Dash panel insert
12	-	-S12-	7.5A	-	Diagnosis voltage
13	-	-S13-	10A	-	Brake lights
14	-	-S14-	10A	-	Interior light
15	-	-S15-	5A	-	Dash panel insert, steering angle sender
16	-	-S16-	10A	-	Compressor

Toledo/León	Fitting Locations	No.  802 / 4

SEAT LEON 2004 Position of fuses in fuse holder, left dash panel

Position of fuses in fuse holder, left dash panel

No.		Current Flow Diagram designation	Nominal value		Function/component	Terminal
17	-	-S17-	10A	-	Vacant (applicable up to October 2001) Taxi (applicable from November 2001)
18	-	-S18-	10A	-	Right headlight main beam
19	-	-S19-	10A	-	Left main beam
20	-	-S20-	15A	-	Right dipped beam
21	-	-S21-	15A	-	Left dipped beam
22	-	-S22-	5A	-	Side light right
23	-	-S23-	5A	-	Side light left
24	-	-S224-	20A	-	Windscreen wiper, washer pump
25	-	-S225-	25A	-	Heater blower
26	-	-S226-	25A	-	Heated rear window
27	-	-S227-	15A	-	Rear window wiper
28	-	-S228-	15A	-	Fuel pump
29	-	-S229-	10A	-	Diesel engine control unit
			15A	-	applicable up to October 2001: Petrol engine control unit
			15A	-	applicable from November 2001: Petrol engine control unit, not for AQN, AUE and BDE
			20A	-	applicable from November 2001: Engine control units AQN, AUE and BDE

Toledo/León	Fitting Locations	No.  802 / 5

Position of fuses in fuse holder, left dash panel

No.		Current Flow Diagram designation	Nominal value		Function/component	Terminal
30	-	-S230-	20A	-	Electrical sunroof
31	-	-S231-	20A	-	Automatic gearbox - AG4
			5A	-	Haldex
32	-	-S232-	10A	-	Injectors (petrol)
			30A	-	Diesel engine control unit
33	-	-S233-	20A	-	Headlight washer system (HWS)
34	-	-S234-	10A	-	Diesel engine control unit
			10A	-	Petrol engine control unit
35	-	-S235-	30A	-	Caravan tow coupling delay, luggage compartment power socket
36	-	-S236-	15A	-	Rear fog lights
37	-	-S237-	10A	-	applicable up to October 2001: Signal S (ignition key)
			5A	-	applicable from November 2001: Diesel engine control unit
			20A	-	applicable from November 2001: Petrol engine control unit, not for AUE and BDE
			30A	-	applicable from November 2001: Engine control units AUE and BDE
38	-	-S238-	10A	-	Luggage compartment light, central locking
39	-	-S239-	15A	-	Hazard warning lights system

Toledo/León	Fitting Locations	No.  802 / 6

Position of fuses in fuse holder, left dash panel

No.		Current Flow Diagram designation	Nominal value		Function/component	Terminal
40	-	-S240-	20A	-	Horns
41	-	-S241-	15A	-	Cigarette lighter
42	-	-S242-	15A	-	Radio
43	-	-S243-	10A	-	Petrol engine control unit
			10A	-	Diesel engine control unit
44	-	-S244-	15A	-	Seat heater

Toledo/León	Fitting Locations	No.  802 / 7

Auxiliary fuse above additional relay carrier Right-handdrive vehicles A -  Seat adjustment fuse -S45- (30 A) B -  Vacuum pump fuse (20 A) C -  Window regulator fuse -S37- (30 A) D -  Fuel charging hole fuse -S323- (10 A) E -  Alarm horn fuse -S111- (15 A)  -  Turn signal fuse -S144- (15 A) F -  Taxi fuse (15 A) G -  Vacant H -  Vacant

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Left-handdrive vehicles: A -  Seat adjustment fuse -S45- (30 A) B -  Vacuum pump fuse (20 A) C -  Window regulator fuse -S37- (30 A) D -  Vacant E -  Taxi fuse (15 A) F -  Alarm horn fuse 1 -S111- (15 A)  -  Turn signal fuse -S144- (15 A) G -  Fuel charging hole fuse -S323- (10 A) H -  Vacant

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Toledo/León	Fitting Locations	No.  802 / 8

SEAT LEON 2004 Fuse on fuse holder, next to battery (up to August 2000): Fuse on fuse holder, next to battery (up to August 2000): Fuses: S162 -  Glow plug heater 50 A S163 -  Engine control unit 50 A S164 -  Radiator fan 40 A S176 -  Passenger compartment, 110A S177 -  Alternator (90 A), 110 A  -  Alternator (120 A), 150 A S178 -  ABS (pump), 30 A S179 -  ABS, 30 A S180 -  Radiator fan 30 A

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Toledo/León	Fitting Locations	No.  802 / 9

SEAT LEON 2004 Fuse on fuse holder, next to battery (from September 2000): Fuse on fuse holder, next to battery (from September 2000): A -  Red wire, 16mm²

Fuses: S162 -  Glow plug heater 50 A S163 -  Engine control unit 50 A S164 -  Radiator fan 40 A S176 -  Passenger compartment, 110A S177 -  Alternator (90 A), 110 A  -  Alternator (120 A), 150 A S178 -  ABS (pump), 30 A S179 -  ABS, 30 A S180 -  Radiator fan 30 A

https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Получить доступ ко всем электросхемам автомобиля