Wiring Diagram VW LT 2004 - Alternator - starter
| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| D | Ignition/starter switch |
| J405 | Terminal D+ relief relay, under driver's seat |
| T8c | 8-pin connector, in protective sleeve on battery box |
| 14 | Earth point, on gearbox |
| 29 | Earth point, near gear box tunnel |
| D138 | Connection (D+), in engine compartment wiring harness |
Wiring Diagram VW LT 2004 - Motronic control unit - ignition system - lambda probe - self-diagnosis connection
| G39 | Lambda probe |
| J153 | Magnetic coupling control unit , with 5 second switching delay, under driver's seat |
| J220 | Motronic control unit, near battery |
| N222 | Cyl. 1 and 4 ignition transformer |
| N223 | Cyl. 2 and 3 ignition transformer |
| P | Spark plug connector |
| Q | Spark plugs |
| T4 | 4-pin connector, behind wheel housing, left |
| T8c | 8-pin connector, in protective sleeve on battery box |
| T14 | 14-pin connector, in footwell, front left, self-diagnosis connection for V.A.G 1551 |
| T17 | 17-pin connector |
| T17a | 17-pin connector |
| 11 | Earth point, below battery box |
| D100 | Positive (+) connection -2- (15), in engine compartment wiring harness |
| H20 | Connection -1-, in diagnosis wiring harness (engine speed signal) |
| * | Connection only with air conditioner |
Wiring Diagram VW LT 2004 - Motronic control unit - injectors - throttle valve potentiometer - idling switch - throttle valve positioner - immobilizer control unit
| F60 | Idling switch |
| G69 | Throttle valve potentiometer |
| G88 | Throttle valve positioner potentiometer |
| J220 | Motronic control unit, near battery |
| J362 | Immobilizer control unit, behind dash panel, left* |
| N30 | Injector, cylinder 1 |
| N31 | Injector, cylinder 2 |
| N32 | Injector, cylinder 3 |
| N33 | Injector, cylinder 4 |
| T8c | 8-pin connector, in protective sleeve on battery box |
| T8d | 8-pin connector, on cylinder head, left |
| T12c | 12-pin connector |
| T14 | 14-pin connector, in footwell, front left, self-diagnosis connection for V.A.G 1551 |
| T17 | 17-pin connector |
| T17a | 17-pin connector |
| V60 | Throttle valve positioner |
| 11 | Earth point, below battery box |
| 139 | Earth connection (sender earth), in Motronic wiring harness |
| D95 | Connection -1- (injectors), in engine compartment wiring harness |
| D100 | Positive (+) connection -2- (15), in engine compartment wiring harness |
| D137 | Connection -2- (injectors), in engine compartment wiring harness |
| * | Only models with immobilizer |
Wiring Diagram VW LT 2004 - Motronic control unit - intake air temperature sender - coolant temperature sender - engine speed sender - activated charcoal filter system - exhaust flap valve - fuel pump
| G | Fuel gauge sender |
| G6 | Fuel pump |
| G28 | Engine speed sender |
| G42 | Intake air temperature sender |
| G62 | Coolant temperature sender |
| J17 | Fuel pump relay, under driver's seat |
| J220 | Motronic control unit, near battery |
| N80 | Activated charcoal filter system solenoid valve 1, near fuel tank |
| N220 | Exhaust flap valve |
| N221 | Characteristic map balancing resistor |
| S81 | Fuel pump fuse, under driver's seat |
| T2 | 2-pin connector |
| T4a | 4-pin connector |
| T17 | 17-pin connector |
| T17a | 17-pin connector |
| 34 | Earth point, under driver's seat |
| 139 | Earth connection (sender earth), in Motronic wiring harness |
| D50 | Positive (+) connection -1- (30), in engine compartment wiring harness |
Wiring Diagram VW LT 2004 - Dash panel insert - coolant shortage indicator - oil pressure warning - speedometer sender - alternator warning lamp
| F22 | Oil pressure switch |
| G2 | Coolant temperature gauge sender |
| G22 | Speedometer sender (on gearbox) |
| G32 | Coolant shortage indicator sender |
| H16 | Lights switched on warning buzzer |
| J120 | Coolant shortage indicator control unit |
| J285 | Control unit with display in dash panel insert |
| K2 | Alternator warning lamp |
| K3 | Oil pressure warning lamp |
| K36 | Coolant shortage warning lamp |
| T2a | 2-pin connector, under dash panel, left |
| T8c | 8-pin connector, in protective sleeve on battery box |
| T12 | 12-pin connector |
| T12a | 12-pin connector |
| T22 | 22-pin connector, under dash panel, left |
| 28 | Earth point, on bulkhead, left |
| 34 | Earth point, under driver's seat |
| * | Vehicles from August 1998 |
| -•-•- | Discontinued on vehicules from August 1998 |
Wiring Diagram VW LT 2004 - Dash panel insert - rev. counter - speedometer - fuel gauge - coolant temperature gauge - ambient temperature indicator - immobilizer warning lamp
| G1 | Fuel gauge |
| G3 | Coolant temperature gauge |
| G5 | Rev. counter |
| G17 | Ambient temperature sensor, in front bumper |
| G21 | Speedometer |
| G106 | Ambient temperature indicator** |
| J13 | Fresh air blower relay, under driver's seat |
| J285 | Control unit with display in dash panel insert |
| K105 | Reserve fuel warning lamp |
| K117 | Immobilizer warning lamp* |
| T12 | 12-pin connector |
| T12a | 12-pin connector |
| T12b | 12-pin connector |
| T22 | 22-pin connector, under dash panel, left |
| T22d | 22-pin connector, under dash panel, left |
| Y | Analogue clock, (alternatively with rev. counter) |
| A2 | Positive (+) connection (15), in dash panel wiring harness |
| A98 | Positive (+) connection-4-(30), in dash panel wiring harness |
| D91 | Connection (speed signal), in engine compartment wiring harness |
| * | Only models with immobilizer |
| ** | Only with optional equipment with ambient temperature indicator |
| -•-•- | Discontinued on vehicules from August 1998 |
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