| 10 | Earth point, in plenum chamber |
| 11 | Earth point, in battery box |
| 30 | Earth point 1, next to relay plate |
| 42 | Earth point, next to steering column |
| 43 | Earth point, lower part of right A-pillar |
| 85 | Earth connection 1, in engine compartment wiring harness |
| 162 | Earth connection, in blower motor wiring harness |
| 277 | Earth connection 3, in interior wiring harness |
| 280 | Earth connection, in communications wiring harness |
| 285 | Earth connection 7, in interior wiring harness |
| 288 | Earth connection (HRC), in dash panel wiring harness |
| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| J17 | Fuel pump relay |
| S131 | Fuse 1 |
| S132 | Fuse 2 |
| S133 | Fuse 3 |
| S134 | Fuse 4 |
| S138 | Fuse 5 |
| S162 | Fuse 1 (30) in fuse holder on battery |
| S163 | Fuse 2 (30) in fuse holder on battery |
| S164 | Fuse 3 (30) in fuse holder on battery |
| T2f | 2-pin connector, alternator, in left engine compartment |
| T3e | 3-pin connector, black, on main fuse box |
| 2 | Earth strap, gearbox - body |
| 12 | Earth point, on left in engine compartment |
| 45 | Earth point, centre behind dash panel |
| 50 | Earth point, on left in luggage compartment |
| 98 | Earth connection, in rear lid wiring harness |
| 238 | Earth connection 1, in interior wiring harness |
| 255 | Earth connection 1, in radio wiring harness |
| D | Ignition/starter switch |
| J17 | Fuel pump relay |
| J59 | X-contact relief relay |
| J226 | Starter inhibitor and reversing light relay |
| T6m | 6-pin connector, brown, in plenum chamber |
| T10x | 10-pin connector, orange, in plenum chamber |
| T14 | 14-pin connector, in left engine compartment |
| 10 | Earth point, in plenum chamber |
| 281 | Earth connection 1, in engine harness |
| A2 | Positive connection (15), in dash panel wiring harness |
| A49 | Connection 1, in dash panel wiring harness |
| A86 | Connection (50a), in dash panel wiring harness |
| B138 | Positive connection (X), in interior wiring harness |
| B156 | Positive connection (30a), in interior wiring harness |
| * | for manual gearbox only |
| ** | for automatic gearbox only |
| *** | for petrol engines with manual gearbox only |
| **** | for petrol engines with automatic gearbox only |
| E1 | Light switch |
| E2 | Turn signal switch |
| E4 | Headlight dipper/flasher switch |
| E18 | Rear fog light switch |
| E19 | Parking light switch |
| L9 | Light switch illumination bulb |
| L40 | Front and rear fog light switch illumination bulb |
| 249 | Earth connection 2, in interior wiring harness |
| 277 | Earth connection 3, in interior wiring harness |
| A3 | Positive connection (58), in dash panel wiring harness |
| A88 | Connection (RFL), in dash panel wiring harness |
| E20 | Switches and instruments illumination regulator |
| E102 | Headlight range control regulator |
| J31 | Automatic intermittent wash and wipe relay |
| L54 | Headlight range control regulator illumination bulb |
| V | Windscreen wiper motor |
| V48 | Left headlight range control motor |
| V49 | Right headlight range control motor |
| 249 | Earth connection 2, in interior wiring harness |
| 269 | Earth connection (sender earth) 1, in dash panel wiring harness |
| 280 | Earth connection, in communications wiring harness |
| 288 | Earth connection (HRC), in dash panel wiring harness |
| A27 | Connection (speed signal), in dash panel wiring harness |
| A103 | Connection 2 (56), in dash panel wiring harness |
| A114 | Connection (headlight range control), in dash panel wiring harness |
| * | not for 1.8 l - Turbo-Motronic 154 kW, 4 cylinder |
| E22 | Intermittent wiper switch |
| E34 | Rear wiper switch |
| E38 | Intermittent wiper regulator |
| J30 | Rear window wiper and washer relay |
| J31 | Automatic intermittent wash and wipe relay |
| T6d | 6-pin connector, brown, behind steering column switch trim |
| T8g | 8-pin connector, brown, on left in luggage compartment |
| V5 | Washer pump |
| V12 | Rear window wiper motor |
| 98 | Earth connection, in rear lid wiring harness |
| 277 | Earth connection 3, in interior wiring harness |
| A97 | Connection (53), in dash panel wiring harness |
| A102 | Connection (windscreen wiper), in dash panel wiring harness |
| F | Brake light switch |
| F4 | Reversing light switch |
| J508 | Brake light suppression relay |
| L46 | Rear left fog light bulb |
| M4 | Left tail light bulb |
| M6 | Rear left turn signal bulb |
| M9 | Left brake light bulb |
| M16 | Left reversing light bulb |
| T5h | 5-pin connector, brown, A-pillar left, near relay plate |
| T10x | 10-pin connector, orange, in plenum chamber |
| 238 | Earth connection 1, in interior wiring harness |
| A87 | Connection (RL), in dash panel wiring harness |
| B131 | Connection (54), in interior wiring harness |
| B185 | Connection 2 (54), in interior wiring harness |
| * | for models with anti-lock brake system (ABS) MK20 |
| ** | for models with anti-lock brake system (ABS) MK60 only |
| *** | for manual gearbox only |
| J124 | Rear bulb monitoring device |
| M2 | Right tail light bulb |
| M8 | Rear right turn signal bulb |
| M10 | Right brake light bulb |
| M17 | Right reversing light bulb |
| M25 | High level brake light bulb |
| T5h | 5-pin connector, brown, A-pillar left, near relay plate |
| T8g | 8-pin connector, brown, on left in luggage compartment |
| 98 | Earth connection, in rear lid wiring harness |
| 238 | Earth connection 1, in interior wiring harness |
| B131 | Connection (54), in interior wiring harness |
| * | for models with rear bulb monitoring device |
| H | Horn plate |
| H2 | Treble tone horn |
| H7 | Bass tone horn |
| J4 | Dual tone horn relay |
| L15 | Ashtray illumination bulb |
| L67 | Dash panel left vent illumination bulb |
| L68 | Dash panel central vent illumination bulb |
| L69 | Dash panel right vent illumination bulb |
| T2 | 2-pin connector, heated washer jet, on right in plenum chamber |
| T2h | 2-pin connector, heated washer jet, on right in plenum chamber |
| T5a | 5-pin connector, yellow, interior, on steering column |
| U1 | Cigarette lighter |
| Z20 | Left washer jet heater element |
| Z21 | Right washer jet heater element |
| 277 | Earth connection 3, in interior wiring harness |
| 280 | Earth connection, in communications wiring harness |
| A72 | Connection (71), in dash panel wiring harness |
| A81 | Connection 2 (X), in dash panel wiring harness |
| B145 | Positive connection (58b), in interior wiring harness |
| E87 | Operating and display unit for air conditioning system/Climatronic |
| E150 | Driver side interior locking switch |
| S1 | Fuse in relay plate fuse holder |
| S2 | Fuse in relay plate fuse holder |
| S3 | Fuse in relay plate fuse holder |
| S4 | Fuse in relay plate fuse holder |
| S5 | Fuse in relay plate fuse holder |
| S6 | Fuse in relay plate fuse holder |
| S7 | Fuse in relay plate fuse holder |
| S224 | Fuse in fuse holder |
| S225 | Fuse in fuse holder |
| S226 | Fuse in fuse holder |
| S227 | Fuse in fuse holder |
| S231 | Fuse in fuse holder |
| T2a | 2-pin connector, black, behind the dash panel, side right |
| T2c | 2-pin connector, black, on right in rear lid |
| T2d | 2-pin connector, black, on left in rear lid |
| T6a | 6-pin connector, black, on left in luggage compartment |
| W6 | Glove compartment light |
| X | Number plate light |
| B117 | Connection (58a, right), in interior wiring harness |
| * | with air conditioning system |
| L1 | Left headlight twin filament bulb |
| L2 | Right headlight twin filament bulb |
| M1 | Left side light bulb |
| M3 | Right side light bulb |
| S11 | Fuse in relay plate fuse holder |
| S18 | Fuse in relay plate fuse holder |
| S19 | Fuse in relay plate fuse holder |
| S20 | Fuse in relay plate fuse holder |
| S21 | Fuse in relay plate fuse holder |
| S22 | Fuse in relay plate fuse holder |
| S223 | Fuse in fuse holder |
| S236 | Fuse in fuse holder |
| T4j | 4-pin connector, left headlight |
| T4l | 4-pin connector, right headlight |
| 280 | Earth connection, in communications wiring harness |
| A23 | Connection (30al), in dash panel wiring harness |
| A51 | Connection (56), in dash panel wiring harness |
| B142 | Positive connection 2 (56a), in interior wiring harness |
| B143 | Positive connection (58R), in interior wiring harness |
| B144 | Positive connection (58L), in interior wiring harness |
| E150 | Driver side interior locking switch |
| S12 | Fuse in relay plate fuse holder |
| S13 | Fuse in relay plate fuse holder |
| S14 | Fuse in relay plate fuse holder |
| S15 | Fuse in relay plate fuse holder |
| S237 | Fuse in fuse holder |
| S238 | Fuse in fuse holder |
| S239 | Fuse in fuse holder |
| S240 | Fuse in fuse holder |
| S241 | Fuse in fuse holder |
| S242 | Fuse in fuse holder |
| T8 | 8-connector, on radio |
| T16 | 16-pin connector, black, shelf centre console (diagnostic connector) |
| 249 | Earth connection 2, in interior wiring harness |
| 255 | Earth connection 1, in radio wiring harness |
| A1 | Positive connection (30a), in dash panel wiring harness |
| A21 | Connection (86s), in dash panel wiring harness |
| A46 | Positive connection (30 - from radio), in dash panel wiring harness |
| A50 | Positive connection (30as), in dash panel wiring harness |
| B115 | Positive connection (30, central electrics), in interior wiring harness |
| B150 | Positive connection 2 (30a), in interior wiring harness |
| * | see applicable Current Flow Diagram for radio |
| E3 | Hazard warning light switch |
| J2 | Hazard warning light relay |
| J234 | Airbag control unit |
| M5 | Front left turn signal bulb |
| M7 | Front right turn signal bulb |
| M18 | Left side mounted turn signal bulb |
| M19 | Right side mounted turn signal bulb |
| T10 | 10-pin connector, white, in plenum chamber |
| T16 | 16-pin connector, black, shelf centre console (diagnostic connector) |
| 277 | Earth connection 3, in interior wiring harness |
| 280 | Earth connection, in communications wiring harness |
| A125 | Connection (crash signal), in dash panel wiring harness |
| B149 | Positive connection 2 (15a), in interior wiring harness |
| B152 | Connection (BL), in interior wiring harness |
| B153 | Connection (RTS), in interior wiring harness |
| * | for manual gearbox only |
| ** | for automatic gearbox only |
| F2 | Driver door contact switch |
| F3 | Front passenger door contact switch |
| F10 | Rear left door contact switch |
| F11 | Rear right door contact switch |
| T5i | 5-pin connector, black, A-pillar left, near relay plate |
| T10d | 10-pin connector, brown, connector carrier on left of A-pillar |
| T10f | 10-pin connector, brown, connector carrier on right of A-pillar |
| V94 | Central locking motor with control unit for interior lights switch-off delay and anti-theft alarm system |
| W9 | Left footwell light |
| W10 | Right footwell light |
| W18 | Luggage compartment light on left |
| W35 | Right luggage compartment light |
| 98 | Earth connection, in rear lid wiring harness |
| 205 | Earth connection, in driver door wiring harness |
| 206 | Earth connection, in door wiring harness, front passenger side |
| B155 | Connection 2 (DCt), in interior wiring harness |
| B175 | Connection (central locking), in interior wiring harness |
| * | for 4-door models only |
| F1 | Oil pressure switch |
| F9 | Handbrake warning switch |
| G266 | Oil level and oil temperature sender |
| J218 | Combi-processor in dash panel insert |
| J... | Engine control units |
| J104 | ABS control unit |
| K1 | Main beam warning lamp |
| K2 | Alternator warning lamp |
| K14 | Handbrake warning lamp |
| K18 | Trailer operation warning lamp |
| K65 | Left turn signal warning lamp |
| K86 | Traction control system warning lamp |
| K94 | Right turn signal warning lamp |
| K132 | Electric power control fault lamp |
| K134 | Adaptive suspension warning lamp |
| K149 | Engine electronics warning lamp |
| T10 | 10-pin connector, white, in plenum chamber |
| T14 | 14-pin connector, in left engine compartment |
| T32 | 32-pin connector, blue, on dash panel insert |
| T32a | 32-pin connector, green, on dash panel insert |
| 277 | Earth connection 3, in interior wiring harness |
| 281 | Earth connection 1, in engine harness |
| A24 | Connection (brake system monitoring), in dash panel wiring harness |
| A80 | Connection 1 (X), in dash panel wiring harness |
| A132 | Connection (TCS/ESP), in dash panel wiring harness |
| E87 | Operating and display unit for air conditioning system/Climatronic |
| G1 | Fuel gauge |
| G3 | Coolant temperature gauge |
| G5 | Rev. counter |
| G14 | Voltmeter |
| G17 | Ambient temperature sensor |
| G21 | Speedometer |
| H3 | Buzzer and gong |
| J104 | ABS control unit |
| J218 | Combi-processor in dash panel insert |
| J234 | Airbag control unit |
| T32 | 32-pin connector, blue, on dash panel insert |
| T32a | 32-pin connector, green, on dash panel insert |
| Y | Analogue clock |
| 269 | Earth connection (sender earth) 1, in dash panel wiring harness |
| A76 | Connection (diagnosis wire K), in dash panel wiring harness |
| A121 | Connection (high bus), in dash panel wiring harness |
| A122 | Connection (low bus), in dash panel wiring harness |
| B116 | Connection (58d), in interior wiring harness |
| * | for air conditioner |
| ** | not for conditioner |
| D2 | Immobilizer reader coil |
| E24 | Driver side belt switch |
| F34 | Brake fluid level warning contact |
| F66 | Coolant shortage indicator switch |
| G34 | Front left brake pad wear sender |
| J218 | Combi-processor in dash panel insert |
| K3 | Oil pressure warning lamp |
| K4 | Side light warning lamp |
| K16 | Reserve fuel warning lamp |
| K19 | Seat belt warning system warning lamp |
| K28 | Coolant temperature and coolant shortage warning lamp |
| K32 | Brake pad warning lamp |
| K37 | Washer fluid level warning lamp |
| K47 | ABS warning lamp |
| K75 | Airbag warning lamp |
| K102 | Rear lid closed warning lamp |
| K117 | Immobilizer warning lamp |
| K149 | Engine electronics warning lamp |
| T32 | 32-pin connector, blue, on dash panel insert |
| T32a | 32-pin connector, green, on dash panel insert |
| 249 | Earth connection 2, in interior wiring harness |
| 269 | Earth connection (sender earth) 1, in dash panel wiring harness |
| 277 | Earth connection 3, in interior wiring harness |
| 280 | Earth connection, in communications wiring harness |
| * | only with seat belt warning |
| E9 | Fresh air blower switch |
| E15 | Heated rear window switch |
| E159 | Fresh air/air recirculation flap switch |
| J9 | Heated rear window relay |
| N206 | Warm air blower series resistor with overheating valve |
| T6a | 6-pin connector, black, on left in luggage compartment |
| V2 | Fresh air blower |
| V154 | Fresh air/recirculated air flap control motor |
| Z1 | Heated rear window |
| 98 | Earth connection, in rear lid wiring harness |
| 162 | Earth connection, in blower motor wiring harness |
| A82 | Connection (windscreen heater), in dash panel wiring harness |
| B135 | Connection 1 (15a), in interior wiring harness |
| L66 | Connection, in heater blower wiring harness |
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