Wiring Diagram VW GOLF 2008 - Battery - starter - alternator - voltage regulator
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https://portal-diagnostov.com/license.html
Automotive Electricians Portal FZCO
Automotive Electricians Portal FZCO
| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| S162 | Fuse 1 (30) in fuse holder on battery |
| S163 | Fuse 2 (30) in fuse holder on battery |
| S176 | Fuse 4 (30) in fuse holder on battery |
| S177 | Fuse 5 (30) in fuse holder on battery |
| T1a | Single pin connector, on the battery |
| T2o | 2-pin connector, on alternator |
| T4w | 4-pin connector, near starter |
| T6b | 6-pin connector, brown, on left in engine compartment |
| |
| |
| 500 | Screw connection 1 (30), on relay plate |
| 502 | Screw connection 1 (30a), on relay plate |
| 507 | Screw connection (30), on fuse holder on battery |
Wiring Diagram VW GOLF 2008 - Ignition/starter switch - X-contact relief relay
| D | Ignition/starter switch |
| J59 | X-contact relief relay |
| SA10 | Fuse 10 on fuse holder A |
| SA13 | Fuse 13 on fuse holder A |
| SA37 | Fuse 37 on fuse holder A |
| T8c | 8-connector, on ignition/starter switch |
| 501 | Screw connection 2 (30), on relay plate |
| 503 | Screw connection (75x), on relay plate |
| D50 | Positive connection (30), in engine compartment wiring harness |
| D104 | Positive connection 2 (30a), in engine compartment wiring harness |
| D144 | Positive connection 5 (30), in engine compartment wiring harness |
| D158 | Positive connection (X), in engine compartment wiring harness |
Wiring Diagram VW GOLF 2008 - Engine control unit
| J64 | Ignition cut-off delay relay |
| J226 | Starter inhibitor and reversing light relay |
| J623 | Engine control unit |
| T2bk | 2-pin connector, in left engine compartment |
| T8j | 8-pin connector, on ignition cut-off delay relay |
| T9c | 9-pin connector, on starter inhibitor and reversing light relay |
| T10b | 10-pin connector, white, in left engine compartment |
| T81a | 81-pin connector, on engine control unit |
| T121a | 121-pin connector, on engine control unit |
| 209 | Earth connection 6, in engine compartment wiring harness |
| D200 | Positive connection 3 (15a), in engine wiring harness |
| E29 | Connection, in engine wiring harness |
| * | for models USA/CDN only |
| ** | models with automatic gearbox only |
Wiring Diagram VW GOLF 2008 - Engine control unit - ignition coil 1 with output stage - ignition coil 2 with output stage - ignition coil 3 with output stage - spark plug connector - spark plugs
| J623 | Engine control unit |
| N70 | Ignition coil 1 with output stage |
| N127 | Ignition coil 2 with output stage |
| N291 | Ignition coil 3 with output stage |
| P | Spark plug connector |
| Q | Spark plugs |
| T4t | 4-pin connector, on ignition coil 2 with output stage |
| T4u | 4-pin connector, on ignition coil 1 with output stage |
| T4v | 4-pin connector, on ignition coil 3 with output stage |
| T121a | 121-pin connector, on engine control unit |
| |
| 281 | Earth connection 1, in engine wiring harness |
Wiring Diagram VW GOLF 2008 - Engine control unit - ignition coil 4 with output stage - spark plug connector - spark plugs
| J255 | Climatronic control unit |
| J623 | Engine control unit |
| N292 | Ignition coil 4 with output stage |
| P | Spark plug connector |
| Q | Spark plugs |
| T4s | 4-pin connector, on ignition coil 4 with output stage |
| T10a | 10-pin connector, blue, in left engine compartment |
| T10b | 10-pin connector, white, in left engine compartment |
| T10d | 10-pin connector, orange, in left engine compartment |
| T12b | 12-pin connector, on Climatronic control unit |
| T14a | 14-pin connector, in left engine compartment |
| T16b | 16-pin connector, on Climatronic control unit |
| T17a | 17-pin connector, behind centre dash panel |
| T81a | 81-pin connector, on engine control unit |
| T121a | 121-pin connector, on engine control unit |
| 201 | Earth connection 5, in engine compartment wiring harness |
| |
| * | for models with Climatronic only |
Wiring Diagram VW GOLF 2008 - Secondary air pump relay - electric drive main relay - engine control unit - secondary air pump motor
| J299 | Secondary air pump relay |
| J437 | Electric drive main relay |
| J623 | Engine control unit |
| T2bf | 2-pin connector, on secondary air pump motor |
| T4ad | 4-pin connector, on secondary air pump relay |
| T5k | 5-pin connector, on electric drive main relay |
| T6b | 6-pin connector, brown, on left in engine compartment |
| T81a | 81-pin connector, on engine control unit |
| V101 | Secondary air pump motor |
| |
| D78 | Positive connection 1 (30a), in engine compartment wiring harness |
| D111 | Connection 9, in engine compartment wiring harness |
Wiring Diagram VW GOLF 2008 - Coolant temperature display sender - Hall sender - coolant temperature display sender - activated charcoal filter system solenoid valve 1 - secondary air inlet valve
| G2 | Coolant temperature display sender |
| G40 | Hall sender |
| G62 | Coolant temperature display sender |
| J623 | Engine control unit |
| N80 | Activated charcoal filter system solenoid valve 1 |
| N112 | Secondary air inlet valve |
| T2aa | 2-pin connector, on active charcoal filter system solenoid valve 1 |
| T2bg | 2-pin connector, on secondary air inlet valve |
| T3n | 3-pin connector, on Hall sender |
| T4r | 4-pin connector, on coolant temperature display sender |
| T6b | 6-pin connector, brown, on left in engine compartment |
| T14a | 14-pin connector, in left engine compartment |
| T81a | 81-pin connector, on engine control unit |
| T121a | 121-pin connector, on engine control unit |
| E30 | Connection (87a), in engine wiring harness |
Wiring Diagram VW GOLF 2008 - Temperature sensor - knock sensor 1 - knock sensor 2 - engine control unit
| G18 | Temperature sensor |
| G61 | Knock sensor 1 |
| G66 | Knock sensor 2 |
| J623 | Engine control unit |
| T2ab | 2-pin connector, on temperature sensor |
| T2ad | 2-pin connector, on knock sensor 1 |
| T2ae | 2-pin connector, on knock sensor 2 |
| T121a | 121-pin connector, on engine control unit |
| 328 | Earth connection 2 (sender earth), in engine compartment wiring harness |
| 473 | Earth connection 5, in injection system wiring harness |
Wiring Diagram VW GOLF 2008 - Engine speed sender - charge air pressure sender - accelerator position sender - accelerator position sender 2 - engine control unit
| G28 | Engine speed sender |
| G31 | Charge air pressure sender |
| G79 | Accelerator position sender |
| G185 | Accelerator position sender 2 |
| J623 | Engine control unit |
| T3m | 3-pin connector, on engine speed sender |
| T4q | 4-pin connector, on charge air pressure sender |
| T6e | 6-pin connector, on accelerator position sender |
| T10a | 10-pin connector, blue, in left engine compartment |
| T81a | 81-pin connector, on engine control unit |
| T121a | 121-pin connector, on engine control unit |
| D195 | Connection 1 (5V), in engine compartment wiring harness |
Wiring Diagram VW GOLF 2008 - Lambda probe after catalytic converter - throttle valve drive angle sender 1 for electric throttle - throttle valve drive angle sender 2 for electric throttle
| G130 | Lambda probe after catalytic converter |
| G186 | Throttle valve drive for electric throttle (EPC) |
| G187 | Throttle valve drive angle sender 1 for electric throttle (EPC) |
| G188 | Throttle valve drive angle sender 2 for electric throttle (EPC) |
| J623 | Engine control unit |
| T4n | 4-pin connector, on lambda probe after catalytic converter |
| T6j | 6-pin connector, on throttle valve drive for electric throttle (EPC) |
| T10d | 10-pin connector, orange, in left engine compartment |
| T16a | 16-pin connector, diagnostic |
| T81a | 81-pin connector, on engine control unit |
| T121a | 121-pin connector, on engine control unit |
| A49 | Connection 1, in dash panel wiring harness |
| D91 | Connection (speed signal), in engine compartment wiring harness |
Wiring Diagram VW GOLF 2008 - Engine control unit - injector - cylinder 1 - injector - cylinder 2 - injector - cylinder 3 - injector - cylinder 4
| J623 | Engine control unit |
| N30 | Injector, cylinder 1 |
| N31 | Injector, cylinder 2 |
| N32 | Injector, cylinder 3 |
| N33 | Injector, cylinder 4 |
| T2ag | 2-pin connector, on injector, cylinder 4 |
| T2ah | 2-pin connector, on injector, cylinder 2 |
| T2ai | 2-pin connector, on injector, cylinder 1 |
| T2aj | 2-pin connector, on injector, cylinder 3 |
| T6b | 6-pin connector, brown, on left in engine compartment |
| T14a | 14-pin connector, in left engine compartment |
| T81a | 81-pin connector, on engine control unit |
| T121a | 121-pin connector, on engine control unit |
| D95 | Connection (injectors), in engine compartment wiring harness |
| D180 | Connection (87a), in engine compartment wiring harness |
Wiring Diagram VW GOLF 2008 - Engine control unit - charge pressure control solenoid valve - inlet camshaft control valve 1 - turbocharger air recirculation valve
| J623 | Engine control unit |
| N75 | Charge pressure control solenoid valve |
| N205 | Inlet camshaft control valve 1 |
| N249 | Turbocharger air recirculation valve |
| T2ak | 2-pin connector, on charge pressure control solenoid valve |
| T2al | 2-pin connector, on turbocharger air recirculation valve |
| T2am | 2-pin connector, on inlet camshaft control valve 1 |
| T10b | 10-pin connector, white, in left engine compartment |
| T14a | 14-pin connector, in left engine compartment |
| T81a | 81-pin connector, on engine control unit |
| T121a | 121-pin connector, on engine control unit |
| 167 | Earth connection 4, in engine compartment wiring harness |
| |
| D102 | Connection 2, in engine compartment wiring harness |
| D159 | Connection (high bus), in engine compartment wiring harness |
| D160 | Connection (low bus), in engine compartment wiring harness |
| D182 | Connection 3 (87a), in engine compartment wiring harness |
Wiring Diagram VW GOLF 2008 - Power assisted steering pressure switch - lambda probe - air mass meter - engine control unit
| F88 | Power assisted steering pressure switch |
| G39 | Lambda probe |
| G70 | Air mass meter |
| J623 | Engine control unit |
| T2bl | 2-pin connector, on power assisted steering pressure switch |
| T5a | 5-pin connector, on air mass meter |
| T6h | Connector, on lambda probe |
| T81a | 81-pin connector, on engine control unit |
Wiring Diagram VW GOLF 2008 - Brake light switch - clutch pedal switch - brake pedal switch - engine control unit
| F | Brake light switch |
| F36 | Clutch pedal switch |
| F47 | Brake pedal switch |
| J623 | Engine control unit |
| T4i | 4-pin connector, on brake light switch |
| T4j | 4-pin connector, on clutch pedal switch |
| T6b | 6-pin connector, brown, on left in engine compartment |
| T10b | 10-pin connector, white, in left engine compartment |
| T10c | 10-pin connector, black, in left engine compartment |
| T81a | 81-pin connector, on engine control unit |
| A18 | Connection (54), in dash panel wiring harness |
| A20 | Positive connection (15a), in dash panel wiring harness |
Wiring Diagram VW GOLF 2008 - Fuel gauge sender - fuel system pressurisation pump - fuel pump relay
| G | Fuel gauge sender |
| G6 | Fuel system pressurisation pump |
| J17 | Fuel pump relay |
| SA28 | Fuse 28 on fuse holder A |
| SA32 | Fuse 32 on fuse holder A |
| SA34 | Fuse 34 on fuse holder A |
| SA43 | Fuse 43 on fuse holder A |
| T4e | 4-pin connector, on fuel system pressurisation pump |
| |
| 85 | Earth connection 1, in engine compartment wiring harness |
| 504 | Screw connection 1 (87), on relay plate |
| D173 | Connection (87), in engine wiring harness |
Wiring Diagram VW GOLF 2008 - Speedometer sender - coolant shortage indicator sender
| G22 | Speedometer sender |
| G32 | Coolant shortage indicator sender |
| SA7 | Fuse 7 on fuse holder A |
| SA11 | Fuse 11 on fuse holder A |
| SA29 | Fuse 29 on fuse holder A |
| T2j | 2-pin connector, on coolant shortage indicator sender |
| T3o | 3-pin connector, on speedometer sender |
| T14a | 14-pin connector, in left engine compartment |
| 327 | Earth connection (sender earth), in engine compartment wiring harness |
| D51 | Positive connection 1 (15), in engine compartment wiring harness |
| D52 | Positive connection (15a), in engine compartment wiring harness |
| D136 | Connection 2 (15a), in engine compartment wiring harness |
| D201 | Positive connection 4 (15a), in engine wiring harness |
Wiring Diagram VW GOLF 2008 - Oil pressure switch - fuel gauge - coolant temperature gauge - rev. counter - speedometer - alternator warning lamp - reserve fuel warning lamp
| F22 | Oil pressure switch |
| G1 | Fuel gauge |
| G3 | Coolant temperature gauge |
| G5 | Rev. counter |
| G21 | Speedometer |
| J285 | Control unit in dash panel insert |
| K | Dash panel insert |
| K2 | Alternator warning lamp |
| K3 | Oil pressure warning lamp |
| K105 | Reserve fuel warning lamp |
| K132 | Electric power control fault lamp |
| T1f | Single pin connector, on oil pressure switch |
| T14a | 14-pin connector, in left engine compartment |
| T32a | 32-pin connector, blue, on dash panel insert |
| T32b | 32-pin connector, green, on dash panel insert |
| D124 | Connection 22, in engine compartment wiring harness |
Wiring Diagram VW GOLF 2008 - Cruise control system switch - cruise control system (CCS) SET button
| E45 | Cruise control system switch |
| E227 | Cruise control system (CCS) SET button |
| T7b | 6-pin connector, on cruise control system switch |
| T10a | 10-pin connector, black, in left engine compartment |
| ** | models with CCS only |
VW GOLF 2008
Earth strap, battery - body - Arrow A - | VW GOLF 2008 Earth points in the engine compartment
| Earth points in the engine compartment |
| 1 | Earth strap, battery - body |
| 2 | Earth strap, gearbox - body |
| 12 | Earth point, on left in engine compartment |
| 15 | Earth point, on cylinder head |
| 608 | Earth point, in centre of plenum chamber |
| 609 | Earth point, on right in plenum chamber |
| 671 | Earth point 1, on front of left longitudinal member |
| Earth strap, battery - body - Arrow A - |
earth connection in engine compartment, left
-arrow C- Earth point 1 at front of left longitudinal member
-arrow B- | | | Earth strap, gearbox - body- Arrow - |
| | | Earth connection on cylinder head - arrow - |
| | | Earth point on water deflector, centre- Arrow - |
| | | Earth point on water deflector, centre - arrow - |
| | | Earth points in passenger compartment |
| 29 | Earth point, near steering column |
| 42 | Earth point, next to steering column |
| 43 | Earth point, lower part of right A-pillar |
| 44 | Earth point, lower part of left A-pillar |
| 605 | Earth point, on top end of steering column |
| Earth connection near steering column -arrow- |
| | | Earth point, next to steering column- arrow - |
| | | Earth point, lower part of right A-pillar- Arrow - |
| | | Earth point, lower part of left A-pillar -arrow- |
| | | Earth point, on top end of steering column - Arrow - |
| | | Earth points in rear part of vehicle |
| 50 | Earth points, in luggage compartment, left |
| Earth points in luggage compartment, left - Arrow - |
| | 
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