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Wiring Diagram SEAT INCA 2003 - Battery - starter - alternator - voltage regulator
| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| D | Ignition/starter switch |
| J362 | Immobilizer control unit |
| T1l | Single connector, brown, behind relay plate |
| T4m | 4-pin connector, on engine, near gearbox |
| TV7 | Terminal 31 junction box |
| 1 | Earth strap, battery - body |
| 2 | Earth strap, gearbox - body |
| 30 | Earth point -1-, next to relay plate |
| D50 | Positive (+) connection (30), in engine compartment wiring harness |
| * | T2/1 only models without air conditioner |
| ** | T2/2 only models without air conditioner |
Wiring Diagram SEAT INCA 2003 - Motronic control unit - ignition transformer - ignition transformer output stage - Hall sender
| G40 | Hall sender |
| J220 | Motronic control unit |
| N152 | Ignition transformer |
| N157 | Ignition transformer output stage |
| O | Ignition distributor |
| P | Spark plug connector |
| Q | Spark plugs |
| T14 | 14-pin connector, on engine |
| 12 | Earth point, in engine compartment, left |
| 85 | Earth connection -1-, in engine compartment wiring harness |
| 220 | Earth connection (sender earth), in engine wiring harness |
| D51 | Positive (+) connection -1- (15), in engine compartment wiring harness |
Wiring Diagram SEAT INCA 2003 - Motronic control unit - coolant temperature sender - throttle valve control unit - intake air temperature sender
| F60 | Idling switch |
| G2 | Coolant temperature sender |
| G42 | Intake air temperature sender |
| G62 | Coolant temperature sender |
| G69 | Throttle valve potentiometer |
| G71 | Intake manifold pressure sender |
| G88 | Throttle valve positioner potentiometer |
| J220 | Motronic control unit |
| J338 | Throttle valve control unit |
| T4c | 4-pin connector, black, on engine |
| T10a | 10-pin connector, on engine |
| T14 | 14-pin connector, on engine |
| V60 | Throttle valve positioner |
| 220 | Earth connection (sender earth), in engine wiring harness |
Wiring Diagram SEAT INCA 2003 - Motronic control unit - knock sensor I - injector cylinder 1 - injector cylinder 2 - injector cylinder 3 - injector cylinder 4
| E35 | Air conditioner switch |
| G61 | Knock sensor I |
| J220 | Motronic control unit |
| J229 | Radiator fan cut-off relay for 1st or 3rd speeds |
| J362 | Immobilizer control unit |
| N30 | Injector, cylinder 1 |
| N31 | Injector, cylinder 2 |
| N32 | Injector, cylinder 3 |
| N33 | Injector, cylinder 4 |
| T4c | 4-pin connector, black, on engine |
| T10a | 10-pin connector, on engine |
| T14 | 14-pin connector, on engine |
| D95 | Connection (injectors), in engine compartment wiring harness |
| * | Only models with air conditioner |
Wiring Diagram SEAT INCA 2003 - Motronic control unit - lambda probe - Activated charcoal filter system solenoid valve 1 - fuel pump relay - brake light switch
| F | Brake light switch |
| G39 | Lambda probe |
| J17 | Fuel pump relay |
| J220 | Motronic control unit |
| N80 | Activated charcoal filter system solenoid valve 1 (pulsed) |
| T4b | 4-pin connector, on engine |
| T4c | 4-pin connector, black, on engine |
| TV2 | Terminal 30 junction box |
| Z19 | Lambda probe heater |
| D136 | Positive (+) connection -2- (15a), in engine compartment wiring harness |
Wiring Diagram SEAT INCA 2003 - Oil pressure switch - fuel gauge sender - speedometer sender - fuel pump (pre-supply pump)
| F1 | Oil pressure switch |
| G | Fuel gauge sender |
| G6 | Fuel pump (pre-supply pump) |
| G22 | Speedometer sender |
| M21 | Brake and tail light bulb, left |
| M22 | Brake and tail light bulb, right |
| M25 | High level brake light bulb |
| T14 | 14-pin connector, on engine |
| 17 | Earth point, on intake manifold |
| 18 | Earth point, on cylinder block |
Wiring Diagram SEAT INCA 2003 - Control unit with display in dash panel insert - fuel gauge - coolant temperature gauge - oil pressure warning lamp
| G1 | Fuel gauge |
| G3 | Coolant temperature gauge |
| G5 | Rev. counter |
| J285 | Control unit with display in dash panel insert |
| K2 | Alternator warning lamp |
| K3 | Oil pressure warning lamp |
| K28 | Coolant temperature warning lamp/coolant shortage warning lamp |
| T4k | 4-pin connector, behind dash panel insert |
| T14 | 14-pin connector, on engine |
| A49 | Connection -1-, in dash panel wiring harness |