| A | Battery |
| B | Starter |
| D | Ignition/starter switch |
| J59 | X-contact relief relay |
| J226 | Starter inhibitor and reversing light relay |
| S162 | Fuse 1 (30), in battery fuse holder |
| S163 | Fuse 2 (30), in battery fuse holder |
| S164 | Fuse 3 (30), in battery fuse holder |
| S176 | Fuse 4 (30), in battery fuse holder |
| S177 | Fuse 5 (30), in battery fuse holder |
| S178 | Fuse 6 (30), in battery fuse holder |
| S179 | Fuse 7 (30), in battery fuse holder |
| S180 | Fuse 8 (30), in battery fuse holder |
| T3 | 3-pin connector |
| T6 | 6-pin connector, brown, in protective housing for connectors on left in plenum chamber |
| 1 | Earth strap, battery - body |
| 2 | Earth strap, gearbox - body |
| 500 | Screw connection 1 (30), on relay plat |
| 501 | Screw connection 2 (30), on relay plat |
| 503 | Screw connection (75x), on relay plate |
| A32 | Positive connection (30), in dash panel wiring harness |
| A41 | Positive connection (50), in dash panel wiring harness, (models with petrol engine only, to April 2001) |
| A80 | Connection 1 (X), in dash panel wiring harness |
| * | Only models with manual gearbox |
| --- | Only models with automatic gearbox |
| *** | From November 2001 |
| -●●- | To October 2001 |
| ## | From December 2005 |
| ### | Up to November 2005 |
| J285 | Control unit with display in dash panel insert |
| J533 | Data bus diagnosis interface, in dash panel insert |
| J... | Engine control units |
| S5 | Fuse 5 in fuse holder |
| S7 | Fuse 7 in fuse holder |
| S11 | Fuse 11 in fuse holder |
| T10 | 10-pin connector, orange, in protective housing for connectors on left in plenum chamber |
| T10w | 10-pin connector, white, in protective housing for connectors on left in plenum chamber |
| T32 | 32-pin connector, blue |
| T32a | 32-pin connector, green |
| A2 | Positive connection (15), in dash panel wiring harness |
| A121 | Connection (high bus), in dash panel wiring harness |
| A122 | Connection (low bus), in dash panel wiring harness |
| A126 | Connection (rear lid contact switch), in dash panel wiring harness |
| B163 | Positive connection 1 (15), in interior wiring harness |
| B229 | Connection (high bus), in interior wiring harness |
| B230 | Connection (low bus), in interior wiring harness |
| ** | ⇒ Current Flow Diagram convenience system/central locking |
| -●- | From May 2001 |
| C | Alternator |
| D2 | Immobiliser reader coil |
| G5 | Rev. counter |
| G21 | Speedometer |
| G22 | Speedometer sender, in gearbox |
| J255 | Climatronic control unit |
| J285 | Control unit in dash panel insert |
| J362 | Immobiliser control unit |
| J... | Engine control units |
| K2 | Alternator warning lamp |
| K117 | Immobilizer warning lamp |
| T2e | 2-pin connector, near starter (on vehicles with no air conditioning system) |
| T4 | 4-pin connector, near starter (on vehicles with an air conditioning system) |
| T10 | 10-pin connector, orange, in protective housing for connectors on left in plenum chamber |
| T14a | 14-pin connector, near battery |
| T16b | 16-pin connector |
| T17a | 17-pin connector, centre behind dash panel |
| T32 | 32-pin connector, blue |
| T32a | 32-pin connector, green |
| Y4 | Trip counter |
| A27 | Connection (speed signal), in dash panel wiring harness |
| * | Revolution signal engine control unit up to April 2002 |
| -●●- | Only models with Climatronic |
| F266 | Bonnet contact switch, in lock part |
| G34 | Front left brake pad wear sender |
| H3 | Warning buzzer |
| J285 | Control unit with display in dash panel insert |
| K18 | Trailer operation warning lamp |
| K32 | Brake pad warning lamp |
| K116 | Rear lid open warning lamp (up to April 2001) |
| K166 | Door open warning lamp (from May 2001) |
| S22 | Fuse 22 in fuse holder |
| S223 | Fuse 23 in fuse holder |
| T2c | 2-pin connector, near front left brake pad wear sender |
| T2d | 2-pin connector, near right headlight |
| T32 | 32-pin connector, blue |
| T32a | 32-pin connector, green |
| Y2 | Digital clock |
| 119 | Earth connection 1, in headlight wiring harness |
| A13 | Connection (door contact switch), in dash panel wiring harness |
| A43 | Connection (57L), in dash panel wiring harness |
| A44 | Connection (57R), in dash panel wiring harness |
| A84 | Connection (58L), in dash panel wiring harness |
| A85 | Connection (58R), in dash panel wiring harness |
| F9 | Handbrake warning switch |
| F34 | Brake fluid level warning contact |
| G33 | Windscreen washer fluid level sender |
| J285 | Control unit with display in dash panel insert |
| K1 | Main beam warning lamp |
| K13 | Rear fog light warning lamp |
| K37 | Washer fluid level warning lamp |
| K65 | Left turn signal warning lamp |
| K94 | Right turn signal warning lamp |
| K118 | Brake system warning lamp |
| L75 | Digital display illumination bulb |
| T32 | 32-pin connector, blue |
| T32a | 32-pin connector, green |
| 269 | Earth connection (sender earth) 1, in dash panel wiring harness |
| A5 | Positive connection (right turn signal), in dash panel wiring harness |
| A6 | Positive connection (left turn signal), in dash panel wiring harness |
| A88 | Connection (RFL), in dash panel wiring harness |
| A95 | Connection 1 (56a), in dash panel wiring harness |
| E2 | Turn signal switch |
| E4 | Headlight dipper and flasher switch |
| E19 | Parking light switch |
| L1 | Left twin filament bulb* |
| M1 | Left side light bulb |
| M5 | Front left turn signal bulb |
| M18 | Left side repeater turn signal bulb |
| M29 | Left headlight dipped beam bulb (only Golf Variant) |
| M30 | Left headlight main beam bulb (only Golf Variant) |
| S18 | Fuse 18 in fuse holder |
| S19 | Fuse 19 in fuse holder |
| S21 | Fuse 21 in fuse holder |
| T10b | 10-pin connector, on left headlight |
| T12 | 12-pin connector |
| B166 | Connection (56a), in interior wiring harness |
| B167 | Connection (56b), in interior wiring harness |
| * | Only Bora Variant |
| E3 | Hazard warning light switch |
| J1 | Turn signal relay |
| K6 | Hazard warning light system warning lamp |
| L2 | Right twin filament bulb* |
| M3 | Right side light bulb |
| M7 | Front right turn signal bulb |
| M19 | Right side repeater turn signal bulb |
| M31 | Right headlight dipped beam bulb (only Golf) |
| M32 | Right headlight main beam bulb (only Golf) |
| T8d | 8-pin connector** |
| T10c | 10-pin connector, on right headlight |
| 12 | Earth point, on left in engine compartment |
| 119 | Earth connection 1, in headlight wiring harness |
| 120 | Earth connection 2, in headlight wiring harness |
| B167 | Connection (56b), in interior wiring harness |
| * | Only Bora Variant |
| ** | Connection numbering of turn signal relay can vary, see fault finding programme! |
| -●- | Only Golf Variant |
| F4 | Reversing light switch |
| J226 | Starter inhibitor and reversing light relay |
| L46 | Rear left fog light bulb |
| M6 | Rear left turn signal bulb |
| M16 | Left reversing light bulb |
| M21 | Left brake and tail light bulb |
| T5h | 5-pin connector, near lower part of left A-pillar, wound into wiring harness |
| T5i | 5-pin connector, near lower part of left A-pillar, wound into wiring harness |
| T6a | 6-pin connector |
| T10 | 10-pin connector, orange, in protective housing for connectors on left in plenum chamber |
| 86 | Earth connection 1, in rear wiring harness |
| A6 | Positive connection (left turn signal), in dash panel wiring harness |
| A87 | Connection (RL), in dash panel wiring harness |
| B182 | Connection (RL), in interior wiring harness |
| W1 | Positive connection (54), in rear wiring harness |
| * | Only models with manual gearbox |
| --- | Only models with automatic gearbox |
| F | Brake light switch |
| M8 | Rear right turn signal bulb |
| M17 | Right reversing light bulb |
| M22 | Right brake and tail light bulb |
| M25 | High level brake light bulb (18 LED's) |
| S13 | Fuse 13 in fuse holder |
| S14 | Fuse 14 in fuse holder |
| S238 | Fuse 38 in fuse holder |
| T5 | 5-pin connector, black, left D-pillar coupling station |
| T5i | 5-pin connector, near lower part of left A-pillar, wound into wiring harness |
| T6b | 6-pin connector |
| 50 | Earth point, on left in luggage compartment |
| 86 | Earth connection 1, in rear wiring harness |
| 218 | Earth connection 1, in rear lid wiring harness |
| A5 | Positive connection (right turn signal), in dash panel wiring harness |
| A18 | Connection (54), in dash panel wiring harness |
| B182 | Connection (RL), in interior wiring harness |
| W1 | Positive connection (54), in interior light wiring harness |
| L28 | Cigarette lighter illumination bulb |
| R | Radio** |
| S10 | Fuse 10 in fuse holder |
| S12 | Fuse 12 in fuse holder |
| S15 | Fuse 15 in fuse holder |
| S237 | Fuse 37 in fuse holder |
| S239 | Fuse 39 in fuse holder |
| S240 | Fuse 40 in fuse holder |
| S241 | Fuse 41 in fuse holder |
| S242 | Fuse 42 in fuse holder |
| T8 | 8-pin connector, on radio (not for radio system 'Delta') |
| T16 | 16-pin connector, centre in dash panel, self-diagnosis connection |
| U1 | Cigarette lighter |
| 45 | Earth point, centre behind dash panel |
| 81 | Earth connection 1, in dash panel wiring harness |
| A4 | Positive connection (58b), in dash panel wiring harness |
| A21 | Connection (86s), in dash panel wiring harness |
| A23 | Connection (30a), in dash panel wiring harness |
| A76 | Connection (K-diagnosis wire), in dash panel wiring harness |
| ** | Models with radio 'Delta', ⇒ Current flow diagram for radio system 'Delta' |
| *** | From November 2001 |
| -●●- | To October 2001 |
| ## | From December 2005 |
| ### | Up to November 2005 |
| xx | To October 2005 |
| S1 | Fuse 1 in fuse holder |
| S3 | Fuse 3 in fuse holder |
| S4 | Fuse 4 in fuse holder |
| T5a | 5-pin connector, pink, right D-pillar coupling station |
| T5n | 5-pin connector, pink, in rear lid |
| T12a | 12-pin connector, connector only on models with Climatronic |
| W6 | Glove compartment light |
| X | Number plate lights |
| 219 | Earth connection 2, in rear lid wiring harness |
| A34 | Connection (75x), in dash panel wiring harness |
| A37 | Connection (58a), in dash panel wiring harness |
| B493 | Connection (75x), in interior wiring harness |
| W11 | Connection (58), in rear lid wiring harness |
| ## | From December 2005 |
| ### | Up to November 2005 |
| E204 | Tank filler flap remote release switch |
| F138 | Airbag coil connector |
| H | Horn plate |
| H1 | Dual tone horn |
| J4 | Dual tone horn relay |
| L76 | Button illumination bulb |
| T5b | 5-pin connector |
| T5j | 5-pin connector |
| V155 | Tank filler flap locking motor |
| 42 | Earth point, next to steering column |
| 49 | Earth point, on steering column |
| 81 | Earth connection 1, in dash panel wiring harness |
| 135 | Earth connection 2, in dash panel wiring harness |
| A90 | Connection (dual tone horn), in dash panel wiring harness |
| E20 | Switch and instrument illumination regulator |
| E102 | Headlight range control regulator |
| L54 | Headlight range control regulator illumination bulb |
| S20 | Fuse 20 in fuse holder |
| T6c | 6-pin connector |
| T10b | 10-pin connector, on left headlight |
| T10c | 10-pin connector, on right headlight |
| V48 | Left headlight range control motor |
| V49 | Right headlight range control motor |
| 42 | Earth point, next to steering column |
| 101 | Earth connection, in headlight range control wiring harness |
| A103 | Connection 2 (56), in dash panel wiring harness |
| A114 | Connection (headlight range control), in dash panel wiring harness |
| E15 | Heated rear window switch**** |
| E165 | Rear lid release switch |
| F5 | Luggage compartment light switch |
| J393 | Convenience system central control unit |
| K10 | Heated rear window warning lamp |
| L39 | Heated rear window switch illumination bulb |
| T5 | 5-pin connector, black, left D-pillar coupling station |
| T5p | 5-pin connector, black, in rear lid |
| T7 | 7-pin connector |
| T23 | 23-pin connector |
| W3 | Luggage compartment light |
| W18 | Luggage compartment light on left |
| Z1 | Heated rear window |
| 98 | Earth connection, in rear lid wiring harness |
| Q22 | Connection 1, in rear lid wiring harness |
| *** | Models with no separate exterior mirror heating |
| **** | Models with automatic timer switch ⇒ Current flow diagram 'Heated rear window with automatic timer switch' |
| E9 | Fresh air blower switch |
| E159 | Fresh air/air recirculation flap switch |
| K114 | Fresh air and air recirculation warning lamp |
| L16 | Fresh air regulator illumination bulb |
| N24 | Fresh air blower series resistor with overheating fuse |
| S2 | Fuse 2 in fuse holder |
| S225 | Fuse 25 in fuse holder |
| S226 | Fuse 26 in fuse holder |
| T4c | 4-pin connector |
| T4e | 4-pin connector, centre behind dash panel (models with no air conditioning system) |
| T6d | 6-pin connector |
| T8b | 8-pin connector |
| T10j | 10-pin connector, centre behind dash panel (models with air conditioning system) |
| V2 | Fresh air blower |
| V154 | Fresh air/recirculated air flap control motor |
| 45 | Earth point, centre behind dash panel |
| 162 | Earth connection, in blower motor wiring harness |
| A20 | Connection (15a), in dash panel wiring harness |
| L66 | Connection, in heater blower wiring harness |
| S30 | Rear window wiper single fuse, on additional relay carrier above relay plate |
| S224 | Fuse 24 in fuse holder |
| S227 | Fuse 27 in fuse holder |
| T5a | 5-pin connector, pink, right D-pillar coupling station |
| T5h | 5-pin connector, near lower part of left A-pillar, wound into wiring harness |
| T5i | 5-pin connector, near lower part of left A-pillar, wound into wiring harness |
| T5n | 5-pin connector, pink, in rear lid |
| V12 | Rear window wiper motor |
| V59 | Windscreen and rear window washer pump |
| A96 | Connection (53a), in dash panel wiring harness |
| A97 | Connection (53), in dash panel wiring harness |
| A102 | Connection (windscreen wiper), in dash panel wiring harness |
| ## | From December 2005 |
| ### | Up to November 2005 |
| F2 | Driver door contact switch |
| F10 | Rear left door contact switch |
| J29 | Blocking diode |
| M27 | Left door warning lamp |
| T8e | 8-pin connector, on left behind dash panel |
| T10i | 10-pin connector, black, left A-pillar coupling station |
| T10l | 10-pin connector, black, left B-pillar coupling station |
| W | Front interior light |
| W11 | Rear left reading light |
| W13 | Front passenger reading light |
| W19 | Driver side reading light |
| 128 | Earth connection 1, in interior light wiring harness |
| A29 | Connection (interior light), in dash panel wiring harness |
| B129 | Connection (interior light, 31), in interior wiring harness |
| R4 | Connection 1, in interior light/door contact switch wiring harness |
| R6 | Positive connection 1, in interior light wiring harness |
| F3 | Front passenger door contact switch |
| F11 | Rear right door contact switch |
| F147 | Driver vanity mirror contact switch |
| F148 | Front passenger vanity mirror contact switch |
| M28 | Right door warning lamp |
| T8e | 8-pin connector, on left behind dash panel |
| T10k | 10-pin connector, black, right A-pillar coupling station |
| T10m | 10-pin connector, black, right B-pillar coupling station |
| W12 | Rear right reading light |
| W14 | Illuminated vanity mirror (front passenger side) |
| W20 | Illuminated vanity mirror (driver side) |
| 128 | Earth connection 1, in interior light wiring harness |
| 238 | Earth connection 1, in interior wiring harness |
| A29 | Connection (interior light), in dash panel wiring harness |
| B129 | Connection (interior light, 31l), in interior wiring harness |
| R4 | Connection 1, in interior light/door contact switch wiring harness |
| R6 | Positive connection 1, in interior light wiring harness |
| R48 | Connection, in front passenger side door wiring harness |
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