Not confident with automotive wiring? Have a professional harness builder or tuner do it, or check your work before first power-up. A wiring mistake can damage the ECU, the engine or the car, or start a fire.
Components
| Ref | Kind | Part | Exclude from BOM |
|---|---|---|---|
| OEM-2 | connector | ||
| OEM-3 | connector | ||
| OEM-4 | connector | ||
| P8-C1 | connector | ||
| RLY1-R | connector | ||
| RLY2-R | connector | ||
| SP-0V | splice | ||
| SP-14V | splice | ||
| SP-GND | splice |
Create part
Cut list
Lengths need a layout (0 of 58 routed).
| Wire | From / To | Gauge | Signal |
|---|---|---|---|
| W1 | OEM-2-P / SP-14V-1 | 0.85 | ISC valve +14V feed |
| W2 | OEM-4-AF / SP-14V-1 | 0.85 | ECU power +14V (main relay) |
| W3 | SP-14V-1 / P8-C1-19 | 0.85 | 12 Volts |
| W4 | OEM-3-A / SP-GND-1 | 0.85 | Power ground |
| W5 | OEM-3-B / SP-GND-1 | 0.85 | Power ground |
| W6 | OEM-4-A / SP-GND-1 | 0.85 | Power ground |
| W7 | SP-GND-1 / P8-C1-15 | 0.85 | Power Ground |
| W8 | SP-GND-1 / P8-C1-34 | 0.85 | Power Ground |
| W9 | SP-GND-1 / P8-C1-55 | 0.85 | Power Ground |
| W10 | OEM-4-O / SP-0V-1 | 0.5 | Signal ground |
| W11 | SP-0V-1 / P8-C1-46 | 0.5 | Signal Ground |
| W12 | SP-0V-1 / P8-C1-47 | 0.5 | Signal Ground |
| W13 | SP-0V-1 / P8-C1-49 | 0.5 | Lambda Earth |
| W14 | SP-0V-1 / P8-C1-51 | 0.5 | Signal Ground |
| W15 | OEM-4-L / P8-C1-10 | 0.5 | +5V sensor supply |
| W16 | OEM-3-Y / P8-C1-8 | 0.5 | Crank position (CKP) |
| W17 | OEM-3-V / P8-C1-27 | 0.5 | Cam position (CMP) |
| W18 | OEM-3-F / P8-C1-1 | 0.5 | Ignition 1 (coils 1+4, wasted spark) |
| W19 | OEM-3-I / P8-C1-38 | 0.5 | Ignition 2 (coils 2+3, wasted spark) |
| W20 | OEM-2-A / P8-C1-37 | 0.5 | Injector 1 |
| W21 | OEM-2-D / P8-C1-18 | 0.5 | Injector 2 |
| W22 | OEM-2-G / P8-C1-54 | 0.5 | Injector 3 |
| W23 | OEM-2-J / P8-C1-36 | 0.5 | Injector 4 |
| W24 | OEM-4-X / P8-C1-25 | 0.5 | Mass air flow (MAF) |
| W25 | OEM-4-V / P8-C1-48 | 0.5 | Throttle position (TPS) |
| W26 | OEM-4-P / P8-C1-26 | 0.5 | Coolant temperature (ECT) |
| W27 | OEM-2-B / P8-C1-41 | 0.5 | Cooling fan relay |
| W28 | OEM-2-C / P8-C1-5 | 0.5 | Condenser fan relay |
| W29 | OEM-2-K / P8-C1-43 | 0.5 | A/C clutch relay |
| W30 | OEM-2-M / P8-C1-42 | 0.5 | Fuel pump relay |
| W31 | OEM-3-H / P8-C1-21 | 0.5 | Main relay |
| W32 | OEM-2-O / P8-C1-23 | 0.5 | Fuel pump relay (non-immobiliser) |
| W33 | OEM-4-D / RLY1-R-OUT | 0.5 | Boost control solenoid (turbo) |
| W34 | SP-14V-1 / RLY1-R-IN | 0.5 | Relay contact input (switched +12 V) |
| W35 | SP-14V-1 / RLY1-R-COIL+ | 0.5 | Relay coil positive (switched +12 V) |
| W36 | RLY1-R-COIL- / P8-C1-4 | 0.5 | Relay coil negative (ECU low-side driver) |
| W37 | OEM-4-E / RLY2-R-OUT | 0.5 | Boost control solenoid (turbo) |
| W38 | SP-14V-1 / RLY2-R-IN | 0.5 | Relay contact input (switched +12 V) |
| W39 | SP-14V-1 / RLY2-R-COIL+ | 0.5 | Relay coil positive (switched +12 V) |
| W40 | RLY2-R-COIL- / P8-C1-6 | 0.5 | Relay coil negative (ECU low-side driver) |
| W41 | OEM-3-J / P8-C1-17 | 0.5 | Front O2 heater |
| W42 | OEM-3-P / P8-C1-35 | 0.5 | Rear O2 heater |
| W43 | OEM-2-Q / P8-C1-53 | 0.5 | ISC valve low side |
| W44 | OEM-2-E / P8-C1-16 | 0.5 | EGR valve |
| W45 | OEM-3-O / P8-C1-24 | 0.5 | Tachometer output |
| W46 | OEM-4-AE / P8-C1-30 | 0.5 | BARO/MAP sensor (turbo boost pressure) |
| W47 | OEM-4-AA / P8-C1-12 | 0.5 | Rear O2 signal |
| W48 | OEM-4-W / P8-C1-7 | 0.5 | Front O2 signal |
| W49 | OEM-4-R / P8-C1-45 | 0.5 | Intake air temperature 2 (IAT2, turbo) |
| W50 | OEM-4-N / P8-C1-44 | 0.5 | Intake air temperature (IAT) |
| W51 | OEM-3-T / P8-C1-11 | 0.5 | Vehicle speed |
| W52 | OEM-3-S / P8-C1-13 | 0.5 | Immobiliser |
| W53 | OEM-4-B / P8-C1-14 | 0.5 | Brake switch |
| W54 | OEM-4-C / P8-C1-31 | 0.5 | Power steering pressure switch |
| W55 | OEM-4-F / P8-C1-32 | 0.5 | A/C request |
| W56 | OEM-4-H / P8-C1-33 | 0.5 | Neutral switch |
| W57 | OEM-4-I / P8-C1-29 | 0.5 | Clutch switch |
| W58 | OEM-4-J / P8-C1-50 | 0.5 | VTCS vacuum switch |
Bill of materials
No parts in this harness.