Wiring Diagram VW GOLF 2005 - Alternator - starter
| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| D | Ignition/starter switch |
| J4 | Dual tone horn relay |
| J59 | X contact relief relay |
| S162 | Fuse -1- (30), in fuse box/battery |
| S163 | Fuse -2- (30), in fuse box/battery |
| S176 | Fuse -4- (30), in fuse box/battery |
| S177 | Fuse -5- (30), in fuse box/battery |
| T2e | 2-pin connector, near starter (only models without air conditioner) |
| T4 | 4-pin connector, near starter (only models with air conditioner) |
| T6 | 6-pin connector, brown, in control unit protective housing, in plenum chamber, left |
| 500 | Screw connection -1- (30), on relay plate |
| 502 | Screw connection -1- (30a), on relay plate |
| * | Only models with heater elements - coolant |
| ** | Up to August 2000 |
| -••- | From September 2000 |
Wiring Diagram VW GOLF 2005 - Diesel direct injection system control unit - terminal 30 voltage supply relay - glow plugs - engine
| D | Ignition/starter switch |
| J248 | Diesel direct injection system control unit, in plenum chamber, centre |
| J317 | Terminal 30 voltage supply relay, above the central electrics |
| Q6 | Glow plugs - engine |
| S10 | Fuse in fuse box |
| S229 | Fuse in fuse box |
| T2 | 2-pin connector, in cable channel left in engine compartment |
| T6 | 6-pin connector, brown, in control unit protective housing, in plenum chamber, left |
| T10h | 10-pin connector, blue, in control unit protective housing, in plenum chamber, left |
| T14a | 14-pin connector, near battery |
| T121 | 121-pin connector |
| 501 | Screw connection -2- (30), on relay plate |
| 504 | Screw connection -1- (87F), on relay plate |
| A2 | Positive (+) connection (15), in dash panel wiring harness |
| A32 | Positive (+) connection (30), in dash panel wiring harness |
| A80 | Connection -1- (X), in dash panel wiring harness |
| A98 | Positive (+) connection-4-(30), in dash panel wiring harness |
| A104 | Positive (+) connection -2- (15), in dash panel wiring harness |
Wiring Diagram VW GOLF 2005 - Diesel direct injection system control unit - glow plug relay - fuel temperature sender - metering adjuster - modulating piston movement sender
| G81 | Fuel temperature sender |
| G149 | Modulating piston movement sender |
| J52 | Glow plug relay |
| J248 | Diesel direct injection system control unit, in plenum chamber, centre |
| N146 | Metering adjuster |
| T6 | 6-pin connector, brown, in control unit protective housing, in plenum chamber, left |
| T10f | 10-pin connector, on engine front |
| T121 | 121-pin connector |
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| 81 | Earth connection -1-, in dash panel wiring harness |
| 135 | Earth connection -2-, in dash panel wiring harness |
| D74 | Connection (86), in engine compartment wiring harness |
| F25 | Connection -1-, in diesel direct injection system wiring harness |
| *** | From May 2000 |
| -••- | Up to April 2000 |
Wiring Diagram VW GOLF 2005 - Diesel direct injection system control unit - coolant temperature sender - intake manifold pressure sender - intake manifold temperature sender - heater element (crankcase breather)
| G2 | Coolant temperature sender |
| G62 | Coolant temperature sender |
| G71 | Intake manifold pressure sender |
| G72 | Intake manifold temperature sender |
| J248 | Diesel direct injection system control unit, in plenum chamber, centre |
| N79 | Heater element (crankcase breather) |
| T14a | 14-pin connector, near battery |
| T121 | 121-pin connector |
| 131 | Earth connection -2-, in engine compartment wiring harness |
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Wiring Diagram VW GOLF 2005 - Diesel direct injection system control unit
| J104 | ABS/ABS with EDL control unit |
| J248 | Diesel direct injection system control unit, in plenum chamber, centre |
| T10 | 10-pin connector, orange, in protective housing for connectors, in plenum chamber, left |
| T10w | 10-pin connector, white, in protective housing for connectors, in plenum chamber, left |
| T25 | 25-pin connector, on ABS/ABS with EDL control unit (up to July 2000) |
| T47a | 47-pin connector, ABS/ABS with EDL/TCS/ESP control unit (from August 2000) |
| T121 | 121-pin connector |
| A121 | Connection (high bus), in dash panel wiring harness |
| A122 | Connection (low bus), in dash panel wiring harness |
| * | Connection for radiator fan control unit/ radiator fan relay connection |
| ** | Connection for air conditioner |
Wiring Diagram VW GOLF 2005 - Diesel direct injection system control unit - kick-down switch - engine speed sender - idling switch - accelerator pedal position sender - needle lift sender
| F8 | Kick-down switch |
| F60 | Idling switch |
| G28 | Engine speed sender |
| G79 | Accelerator pedal position sender |
| G80 | Needle lift sender |
| J248 | Diesel direct injection system control unit, in plenum chamber, centre |
| T2a | 2-pin connector, on engine front |
| T3 | 3-pin connector, on engine front |
| T6a | 6-pin connector |
| T10h | 10-pin connector, blue, in control unit protective housing, in plenum chamber, left |
| T121 | 121-pin connector |
| 200 | Earth connection (screening), in engine compartment wiring harness |
Wiring Diagram VW GOLF 2005 - Diesel direct injection system control unit - air mass meter - intake manifold flap change-over valve - exhaust gas recirculation valve - charge pressure control solenoid valve
| G70 | Air mass meter |
| J248 | Diesel direct injection system control unit, in plenum chamber, centre |
| N18 | Exhaust gas recirculation valve |
| N75 | Charge pressure control solenoid valve |
| N239 | Intake manifold flap change-over valve |
| T5 | 5-pin connector |
| T10 | 10-pin connector, orange, in protective housing for connectors, in plenum chamber, left |
| T10w | 10-pin connector, white, in protective housing for connectors, in plenum chamber, left |
| T121 | 121-pin connector |
| E29 | Connection, in engine wiring harness |
Wiring Diagram VW GOLF 2005 - Diesel direct injection system control unit - cruise control system switch (CCS) - clutch pedal switch - commencement of injection valve - fuel shut-off valve
| E45 | Cruise control system switch** |
| E227 | Cruise control system (CCS) button (Set)** |
| F36 | Clutch pedal switch** |
| J248 | Diesel direct injection system control unit, in plenum chamber, centre |
| N108 | Commencement of injection valve |
| N109 | Fuel shut-off valve |
| T10e | 10-pin connector, black, in control unit protective housing, in plenum chamber, left |
| T10f | 10-pin connector, on engine front |
| T10s | 10-pin connector, next to steering column |
| T10w | 10-pin connector, white, in protective housing for connectors, in plenum chamber, left |
| T121 | 121-pin connector |
| A155 | Connection -2- (86), in dash panel wiring harness |
| ** | Only models with CCS |
Wiring Diagram VW GOLF 2005 - Diesel direct injection system control unit - coolant heater element - cruise cont. sys. brake pedal switch (diesel direct inj. system) - brake light switch - high and low heat output relay
| F | Brake light switch |
| F47 | Cruise control system brake pedal switch (diesel direct injection system) |
| J248 | Diesel direct injection system control unit, in plenum chamber, centre |
| J359 | Low heat output relay*, in protective housing in engine compartment, left (53) |
| J360 | High heat output relay*, in protective housing in engine compartment, left (100) |
| Q7 | Coolant heating elements* |
| S13 | Fuse in fuse box |
| T6 | 6-pin connector, brown, in control unit protective housing, in plenum chamber, left |
| T10 | 10-pin connector, orange, in protective housing for connectors, in plenum chamber, left |
| T10e | 10-pin connector, black, in control unit protective housing, in plenum chamber, left |
| T121 | 121-pin connector |
| A18 | Connection (54), in dash panel wiring harness |
| A27 | Connection (speed signal), in dash panel wiring harness |
| A155 | Connection -2- (86), in dash panel wiring harness |
| D50 | Positive (+) connection (30), in engine compartment wiring harness |
| D98 | Connection (glow plugs), in engine compartment wiring harness |
| * | Only models with heater elements - coolant |
Wiring Diagram VW GOLF 2005 - Fuel gauge sender - coolant shortage indicator sender
| G | Fuel gauge sender |
| G32 | Coolant shortage indicator sender |
| S232 | Fuse in fuse box |
| S234 | Fuse in fuse box |
| S243 | Fuse in fuse box |
| T6 | 6-pin connector, brown, in control unit protective housing, in plenum chamber, left |
| T14a | 14-pin connector, near battery |
| 269 | Earth connection (sender earth) -1-, in dash panel wiring harness |
| A71 | Connection (86), in dash panel wiring harness |
| A100 | Connection -2- (87), in dash panel wiring harness |
| B168 | Connection (86), in interior wiring harness |
| * | Only models with multi-function display |
Wiring Diagram VW GOLF 2005 - Dash panel insert - oil pressure warning lamp - oil level/oil temperature sender - speedometer sender
| F1 | Oil pressure switch |
| G22 | Speedometer sender (Hall sender, on gearbox) |
| J285 | Control unit with display in dash panel insert |
| K3 | Oil pressure warning lamp |
| S5 | Fuse in fuse box |
| S7 | Fuse in fuse box |
| T14a | 14-pin connector, near battery |
| T32 | 32-pin connector, blue |
| T32a | 32-pin connector, green |
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| A20 | Connection (15a), in dash panel wiring harness |
| B163 | Positive (+) connection -1- (15), in interior wiring harness |
Wiring Diagram VW GOLF 2005 - Dash panel insert - coolant temperature gauge and fuel gauge - fuel gauge - rev. counter - speedometer - alternator warning lamp
| G1 | Fuel gauge |
| G3 | Coolant temperature gauge |
| G5 | Rev. counter |
| G21 | Speedometer |
| H3 | Warning buzzer |
| J285 | Control unit with display in dash panel insert |
| K2 | Alternator warning lamp |
| K28 | Coolant temperature/coolant shortage warning lamp |
| K105 | Reserve fuel warning lamp |
| T12a | 12-pin connector, connection for Climatronic only |
| T32 | 32-pin connector, blue |
| A27 | Connection (speed signal), in dash panel wiring harness |
| * | Engine speed signal from engine control unit |
Wiring Diagram VW GOLF 2005 - Dash panel insert - multi-function display - ambient temperature indicator - self-diagnosis connection - glow period warning lamp
| E86 | Multi-function display call-up button |
| E109 | Multi-function display, memory switch |
| G17 | Ambient temperature sensor |
| J119 | Multi-function display |
| J285 | Control unit with display in dash panel insert |
| J533 | Data bus diagnostic interface, in dash panel insert |
| K29 | Glow period warning lamp |
| T6e | 6-pin connector |
| T16 | 16-pin connector, in dash panel centre, self-diagnosis connection |
| T32 | 32-pin connector, blue |
| T32a | 32-pin connector, green |
| A76 | Connection (diagnosis wire K), in dash panel wiring harness |
| * | Only models with multi-function display |
VW GOLF 2005 Relay plate, behind left dash panel
| Relay plate, behind left dash panel |
| - | Telephone and Telematik control unit -J526- |
| 2 - | Rear lid remote release motor relay -J398- |
| - | Multifunction steering wheel control unit -J453- |
| 6 - | Multifunction steering wheel control unit -J453- |
| 8 - | Heated exterior mirror relay -J99- |
| - | Diesel direct injection system relay -J322- |
| 12 - | Electric drive main relay -J437- |
| Relay on additional support under relay plate |
| 2 - | X-contact relief relay -J59- |
| 4 - | Glow plug relay -J52- |
VW GOLF 2005 | Earth strap, battery - body - Arrow A - |
VW GOLF 2005 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 |
| Earth strap, battery - body - Arrow A - |
Earth point, in engine compartment, left -arrow B-
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| | Earth strap, gearbox - body- Arrow - |
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| | Earth connection on cylinder head - arrow - |
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| | Earth connection on water deflector, centre - arrow - |
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| | Earth connection on water deflector, right - arrow - |
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| | Earth points in passenger compartment |
| 42 | Earth point, next to steering column |
| 44 | Earth point, lower part of left A-pillar |
| 45 | Earth point, centre behind dash panel |
| 49 | Earth connection, on steering column |
| Earth point, next to steering column- arrow - |
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| | Earth connection, lower part of left A-pillar -arrow- |
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| | Earth connection, centre behind dash panel- Arrow - |
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| | Earth connection on steering column - arrow - |
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| | 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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