Wiring Diagram VW NEW BEETLE 1999 - Alternator - starter
| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| D | Ignition/starter switch |
| E1 | Lighting switch |
| J59 | X contact relief relay |
| S162 | Fuse -1- (30), in battery fuse holder |
| S163 | Fuse -2- (30), in battery fuse holder |
| S176 | Fuse -4- (30), in battery fuse holder |
| S177 | Fuse -5- (30), in battery fuse holder |
| T4 | 4-pin connector, near starter |
| T6 | 6-pin connector, brown, in protective housing for connectors, left in plenum chamber |
| 500 | Screw connection -1- (30), on relay plate |
| 501 | Screw connection -2- (30), on relay plate |
| 502 | Screw connection -1- (30a), on relay plate |
| A41 | Positive (+) connection (50), in dash panel wiring harness |
| A32 | Positive connection (30), in dash panel wiring harness |
Wiring Diagram VW NEW BEETLE 1999 - Motronic control unit - ignition system
| D | Ignition/starter switch |
| J220 | Motronic control unit, centre in plenum chamber |
| N152 | Ignition transformer |
| P | Spark plug connector |
| Q | Flame plug |
| S10 | Fuse in relay plate fuse box |
| S229 | Fuse in fuse holder |
| T4a | 4-pin connector |
| T6 | 6-pin connector, brown |
| T14 | 14-pin connector, in engine compartment |
| T80 | 80-pin connector |
| 10 | Earth point, in plenum chamber |
| 85 | Earth connection -1-, in engine compartment wiring harness |
| 281 | Earth connection -1-, in engine prewiring wiring harness |
| A2 | Positive (+) connection (15), in dash panel wiring harness |
| A52 | Positive connection -2- (30), in dash panel wiring harness |
| A104 | Positive connection -2- (15), in dash panel wiring harness |
Wiring Diagram VW NEW BEETLE 1999 - Motronic control unit - throttle valve control unit - coolant temperature sender
| F60 | Idling switch |
| G2 | Coolant temperature sender |
| G40 | Hall sender |
| G62 | Coolant temperature sender |
| G69 | Throttle valve potentiometer |
| G88 | Throttle valve positioner potentiometer |
| J220 | Motronic control unit, centre in plenum chamber |
| J338 | Throttle valve control unit |
| T8 | 8-pin connector |
| T14 | 14-pin connector, left in plenum chamber |
| T80 | 80-pin connector |
| V60 | Throttle valve positioner |
| 220 | Earth connection (sender earth), in engine wiring harness |
| D147 | Connection (rear left speed sensor -), in engine compartment wiring harness |
Wiring Diagram VW NEW BEETLE 1999 - Motronic control unit - engine speed sender - knock sensor I - knock sensor II
| G28 | Engine speed sender |
| G61 | Knock sensor I |
| G66 | Knock sensor II |
| J217 | Automatic gearbox, in plenum chamber, centre |
| J220 | Motronic control unit, in plenum chamber, centre |
| T3a | 3-pin connector, near intake manifold |
| T3b | 3-pin connector, near intake manifold |
| T3c | 3-pin connector, near intake manifold |
| T10 | 10-pin connector, orange, connector point, electronics box, in plenum chamber, left |
| T10a | 10-pin connector, grey, connector point, electronics box, in plenum chamber, left |
| T10b | 10-pin connector, blue, connector point, electronics box, in plenum chamber, left |
| T68 | 68-pin connector, on automatic gearbox control unit |
| T80 | 80-pin connector |
| 220 | Earth connection (sender earth), in engine wiring harness |
| * | Compressor switch-off |
| ** | Air conditioner 'ready' connection |
| --- | Only models with automatic gearbox |
Wiring Diagram VW NEW BEETLE 1999 - Motronic control unit - injectors - lambda probe II - heater element
| J220 | Motronic control unit, in plenum chamber, centre |
| G108 | Lambda probe II |
| N30 | Injector, cylinder 1 |
| N31 | Injector, cylinder 2 |
| N32 | Injector, cylinder 3 |
| N33 | Injector, cylinder 4 |
| N79 | Heater element (crankcase breather) |
| T4 | 4-pin connector, in protective housing in engine compartment, rear |
| T6 | 6-pin connector, brown, connector point, electronics box, in plenum chamber, left |
| T10 | 10-pin connector, orange, connector point, electronics box, in plenum chamber, left |
| T10a | 10-pin connector, grey, connector point, electronics box, in plenum chamber, left |
| T14 | 14-pin connector, in engine compartment |
| T16 | 16-pin connector, diagnostic connector |
| T80 | 80-pin connector |
| 85 | Earth connection -1-, in engine compartment wiring harness |
| A76 | Connection (diagnosis wire K), in dash panel wiring harness |
| D140 | Connection (injectors), in engine prewiring wiring harness |
| E30 | Connection (87a), in engine wiring harness |
Wiring Diagram VW NEW BEETLE 1999 - Motronic control unit - air mass meter - activated charcoal filter system solenoid valve - Lambda probe I - secondary air pump relay - secondary air pump motor
| G39 | Lambda probe |
| G70 | Air mass meter |
| J220 | Motronic control unit, centre in plenum chamber |
| J229 | Secondary air pump relay |
| N80 | Activated charcoal filter system solenoid valve I |
| T4b | 4-pin connector |
| T80 | 80-pin connector |
| V101 | Secondary air pump motor |
| 10 | Earth point, in plenum chamber |
| E30 | Connection (87a), in engine wiring harness |
Wiring Diagram VW NEW BEETLE 1999 - Oil pressure switch - fuel pump - secondary air inlet valve - coolant shortage indicator sender - fuel system diagnosis pump
| J220 | Motronic control unit, centre in plenum chamber |
| N112 | Secondary air inlet valve (01235-4313) |
| G32 | Coolant shortage indicator sender |
| S232 | Fuse in fuse holder |
| S234 | Fuse in fuse holder |
| S242 | Fuse in fuse holder |
| T6 | 6-pin connector, brown, in engine compartment |
| T10 | 10-pin connector, orange, in engine compartment |
| T10a | 10-pin connector, in cable channel left in engine compartment |
| T80 | 80-pin connector |
| V144 | Fuel system diagnostic pump |
| A27 | Connection (speed signal), in dash panel wiring harness |
| A101 | Connection -3- (87), in dash panel wiring harness |
| B146 | Connection -1- (87), in interior wiring harness |
| B147 | Connection -2- (87), in interior wiring harness |
| E30 | Connection (87a), in engine wiring harness |
Wiring Diagram VW NEW BEETLE 1999 - Fuel gauge sender - fuel pump (lift pump) - speedometer sender - fuel pump relay - coolant shortage indicator sender
| G | Fuel gauge sender (00771-3113) |
| G6 | Fuel pump (pre-supply pump) |
| G22 | Speedometer sender (Hall sender on gearbox) |
| J17 | Fuel pump relay (01259-4433) |
| G32 | Coolant shortage indicator sender |
| J234 | Airbag control unit |
| S228 | Fuse in fuse holder |
| T14 | 14-pin connector, in engine compartment |
| T50 | 50-pin connector, on airbag control unit |
| 179 | Earth connection, in left headlight wiring harness |
| 238 | Earth connection -1-, in interior wiring harness |
| 269 | Earth connection (sender earth) -1-, in dash panel wiring harness |
| 281 | Earth connection -1-, in engine prewiring wiring harness |
| 504 | Screw connection -1- (87), on relay plate |
| A13 | Connection (door contact switch), in dash panel wiring harness |
| A101 | Connection -3- (87), in dash panel wiring harness |
| A125 | Connection (crash signal), in dash panel wiring harness |
Wiring Diagram VW NEW BEETLE 1999 - Dash panel insert - rev. counter - optic and acoustic oil pressure warning - coolant temperature gauge - fuel gauge - alternator warning lamp - oil pressure switch
| F1 | Oil pressure switch |
| G1 | Fuel gauge |
| G3 | Coolant temperature gauge |
| G5 | Rev. counter |
| H11 | Oil pressure warning buzzer |
| J285 | Control unit with display in dash panel insert |
| K2 | Alternator warning lamp |
| K3 | Oil pressure warning lamp |
| K83 | Exhaust emissions warning lamp |
| T14 | 14-pin connector, in engine compartment |
| T32 | 32-pin connector, blue |
| T32a | 32-pin connector, green |
| A27 | Connection (speed signal), in dash panel wiring harness |
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