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-A | connector | ||
| OEM-B | connector | ||
| OEM-C | connector | ||
| OEM-D | connector | ||
| SL4-A | connector | ||
| SL4-B | connector | ||
| SP-0V | splice | ||
| SP-14V | splice | ||
| SP-GND | splice |
Create part
Cut list
Lengths need a layout (0 of 51 routed).
| Wire | From / To | Gauge | Signal |
|---|---|---|---|
| W1 | OEM-D-4A / SP-14V-1 | 0.85 | ECU main power (+12V via main relay/ECR) |
| W2 | OEM-D-4E / SP-14V-1 | 0.85 | ECU main power (+12V via main relay/ECR) |
| W3 | SP-14V-1 / SL4-A-34 | 0.85 | Aux 9–10 14V supply |
| W4 | SP-14V-1 / SL4-B-1 | 0.85 | ECU 14V supply |
| W5 | OEM-A-1AF / SP-GND-1 | 0.85 | Power ground |
| W6 | OEM-A-1AJ / SP-GND-1 | 0.85 | Power ground |
| W7 | OEM-A-1L / SP-GND-1 | 0.85 | Power ground |
| W8 | SP-GND-1 / SL4-B-18 | 0.85 | ECU ground |
| W9 | SP-GND-1 / SL4-B-26 | 0.85 | ECU ground |
| W10 | OEM-A-1AB / SP-0V-1 | 0.5 | Sensor ground |
| W11 | OEM-A-1X / SP-0V-1 | 0.5 | Sensor ground |
| W12 | OEM-C-3AB / SP-0V-1 | 0.5 | Sensor ground |
| W13 | OEM-C-3S / SP-0V-1 | 0.5 | Sensor ground (CAS) |
| W14 | SP-0V-1 / SL4-B-10 | 0.5 | Analog sensor 0V reference |
| W15 | OEM-C-3A / SL4-B-2 | 0.5 | +5V sensor supply |
| W16 | OEM-C-3R / SL4-B-5 | 0.5 | Crank position (CAS NE) |
| W17 | SP-0V-1 / SL4-B-6 | 0.5 | Crank index sensor − |
| W18 | OEM-C-3U / SL4-B-7 | 0.5 | Home position (CAS G) |
| W19 | SP-0V-1 / SL4-B-8 | 0.5 | Sync sensor − |
| W20 | OEM-C-3O / SL4-B-16 | 0.5 | Knock sensor |
| W21 | OEM-D-4AF / SL4-A-26 | 0.5 | Ignition front trailing |
| W22 | OEM-D-4AJ / SL4-A-27 | 0.5 | Ignition rear trailing |
| W23 | OEM-D-4AN / SL4-A-28 | 0.5 | Ignition leading (wasted spark) |
| W24 | OEM-A-1Q / SL4-A-1 | 0.5 | Injector 1 (front primary) |
| W25 | OEM-A-1U / SL4-A-2 | 0.5 | Injector 2 (rear primary) |
| W26 | OEM-A-1Y / SL4-A-3 | 0.5 | Injector 3 (front secondary) |
| W27 | OEM-A-1AC / SL4-A-4 | 0.5 | Injector 4 (rear secondary) |
| W28 | OEM-D-4C / SL4-B-4 | 0.5 | Ignition switch / start signal |
| W29 | OEM-A-1AA / SL4-A-18 | 0.5 | OMP stepper phase B1 |
| W30 | OEM-A-1AE / SL4-A-19 | 0.5 | OMP stepper phase A1 |
| W31 | OEM-A-1H / SL4-B-3 | 0.5 | Cooling fan relay (low speed) |
| W32 | OEM-D-4D / SL4-A-14 | 0.5 | Air pump clutch relay |
| W33 | OEM-D-4F / SL4-A-15 | 0.5 | Fuel pump speed relay |
| W34 | OEM-D-4G / SL4-A-16 | 0.5 | Fuel pump relay |
| W35 | OEM-D-4I / SL4-A-17 | 0.5 | A/C relay |
| W36 | OEM-D-4K / SL4-A-10 | 0.5 | Cooling fan relay (low speed) |
| W37 | OEM-D-4L / SL4-A-11 | 0.5 | Cooling fan relay (high speed) |
| W38 | OEM-A-1C / SL4-A-12 | 0.5 | Idle speed control (ISC) solenoid |
| W39 | OEM-A-1E / SL4-A-13 | 0.5 | Turbo charge control solenoid |
| W40 | OEM-D-4AH / SL4-B-11 | 0.5 | MAP sensor (PIM) |
| W41 | OEM-C-3I / SL4-B-12 | 0.5 | Throttle position (TPS, full range) |
| W42 | OEM-C-3D / SL4-B-13 | 0.5 | O2 sensor (narrowband) |
| W43 | OEM-C-3W / SL4-B-14 | 0.5 | Coolant temperature (ECT) |
| W44 | OEM-C-3T / SL4-B-15 | 0.5 | Intake air temperature (IAT) |
| W45 | OEM-C-3V / SL4-B-19 | 0.5 | Fuel temperature |
| W46 | OEM-C-3H / SL4-B-20 | 0.5 | OMP position sensor |
| W47 | OEM-D-4Q / SL4-A-20 | 0.5 | Vehicle speed sensor |
| W48 | OEM-D-4AA / SL4-A-21 | 0.5 | Brake pedal switch |
| W49 | OEM-D-4S / SL4-A-22 | 0.5 | Clutch switch |
| W50 | OEM-D-4V / SL4-A-23 | 0.5 | A/C request |
| W51 | OEM-D-4W / SL4-A-24 | 0.5 | Power steering pressure switch |
Bill of materials
No wire parts assigned: 51 wires need a wire part.
| Part number | Manufacturer | Description | Qty | Unit | Unit price | Buy |
|---|---|---|---|---|---|---|
| connector2 lines | ||||||
| 4-1437290-0 | TE | Superseal 1.0 34-way plug, Key 1 | 1 | ea | 3 Way ComponentsKSV Looms (kit)TE Connectivity | |
| 4-1437290-1 | TE | Superseal 1.0 34-way plug, Key 2 | 1 | ea | TE Connectivity | |
| terminal1 line | ||||||
| 3-1447221-4 | TE | Superseal 1.0 socket terminal, 20 AWG (0.5 sq mm) | 42 | ea | TE Connectivity | |