Wiring Diagram VW POLO 1997 - Battery - alternator - starter
| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| D | Ignition/starter switch |
| T2d | 2-pin connector, on gearbox |
| 1 | Earth strap, battery body |
| 2 | Earth strap, gearbox - body |
| 85 | Earth connection -1-, in engine compartment wiring harness |
Wiring Diagram VW POLO 1997 - Automatic glow period control unit - idling speed boost valve - EGR two-way valve - commencement of injection valve - load signal potentiometer - fuel shut-off valve
| G157 | Load signal potentiometer |
| J179 | Automatic glow period control unit, above the relay plate |
| J362 | Immobilizer control unit, next to steering column |
| J366 | Fuel shut-off valve control unit , on diesel injection pump |
| N18 | Exhaust gas recirculation valve |
| N108 | Commencement of injection valve |
| N109 | Fuel shut-off valve |
| N177 | Idling speed boost valve |
| T1w | Single connector |
| T6 | 6-pin connector, on immobilizer control unit |
| T18 | 18-pin connector, on automatic glow period control unit |
| T19 | 19-pin connector, on engine |
| TV14 | Self-diagnosis junction box, above the relay plate |
| 21 | Earth point, near diesel injection pump |
| 131 | Earth connection -2-, in engine compartment wiring harness |
| D52 | Positive connection (15a), in engine compartment wiring harness |
Wiring Diagram VW POLO 1997 - Automatic glow period control unit - engine temperature sender - coolant temperature sender - full load stop valve - glow plugs
| G2 | Coolant temperature sender |
| G27 | Engine temperature sender |
| J52 | Glow plug relay |
| J179 | Automatic glow period control unit, above the relay plate |
| N194 | Full throttle limit valve |
| Q6 | Glow plugs |
| S125 | Glow plugs fuse, above the relay plate |
| T18 | 18-pin connector, on automatic glow period control unit |
| T19 | 19-pin connector, on engine |
| TV2 | Terminal 30 junction box |
| 15 | Earth point, on cylinder head |
| 21 | Earth point, near diesel injection pump |
| 131 | Earth connection -2-, in engine compartment wiring harness |
| D98 | Connection (glow plugs), in engine compartment wiring harness |
Wiring Diagram VW POLO 1997 - Radiator fan - coolant shortage indicator sender
| F2 | Door contact switch, driver side |
| F18 | Radiator fan thermo-switch |
| G32 | Coolant shortage indicator sender |
| J152 | Lights switched on warning buzzer |
| T3a | 3-pin connector, on radiator fan |
| T16 | 16-pin connector, behind shelf driver's side, - Self-diagnosis connection for V.A.G 1551 - |
| T19 | 19-pin connector, on engine |
| V7 | Radiator fan |
| W | Interior light, front |
| W3 | Luggage compartment light |
| 12 | Earth point, left in engine compartment, under battery |
| 15 | Earth point, on cylinder head |
| 85 | Earth connection -1-, in engine compartment wiring harness |
| 86 | Earth connection -1-, in rear wiring harness |
| 131 | Earth connection -2-, in engine compartment wiring harness |
| R28 | Connection -2- (door contact switch), in rear wiring harness |
Wiring Diagram VW POLO 1997 - Fuel level sender - speedometer sender - oil temperature sender - oil pressure switch
| F1 | Oil pressure switch |
| F22 | Oil pressure switch (0.3 bar) |
| G | Fuel gauge sender |
| G8 | Oil temperature sender |
| G22 | Speedometer sender (Hall sender on gearbox) |
| J362 | Immobilizer control unit, next to steering column |
| T6 | 6-pin connector, on immobilizer control unit |
| T19 | 19-pin connector, on engine |
| 15 | Earth point, on cylinder head |
| 131 | Earth connection -2-, in engine compartment wiring harness |
Wiring Diagram VW POLO 1997 - Dash panel insert - fuel gauge - coolant shortage and coolant temperature warning/gauge - optical and acoustic oil pressure warning - odometer display - glow period warning lamp
| G1 | Fuel gauge |
| G3 | Coolant temperature gauge |
| G5 | Rev. counter |
| H11 | Oil pressure warning buzzer |
| J285 | Control unit with display in dash panel insert |
| K3 | Oil pressure warning lamp |
| K28 | Coolant temperature/coolant shortage warning lamp |
| K29 | Glow period warning lamp |
| T4d | 4-pin connector, behind the relay plate |
| T28 | 28-pin connector, on dash panel insert |
| Y4 | Odometer display |
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