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 |
|---|---|---|---|
| MAXXECUSPORT-C1 | connector | ||
| OEM-A | connector | ||
| OEM-B | connector | ||
| OEM-C | connector | ||
| OEM-D | connector | ||
| SP-0V | splice | ||
| SP-14V | splice | ||
| SP-GND | splice |
Create part
Cut list
Lengths need a layout (0 of 45 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 / MAXXECUSPORT-C1-M4 | 0.85 | +12V ECU power supply |
| W4 | OEM-A-1AF / SP-GND-1 | 0.85 | Power ground |
| W5 | OEM-A-1AJ / SP-GND-1 | 0.85 | Power ground |
| W6 | OEM-A-1L / SP-GND-1 | 0.85 | Power ground |
| W7 | SP-GND-1 / MAXXECUSPORT-C1-L4 | 0.85 | Engine GND |
| W8 | OEM-A-1AB / SP-0V-1 | 0.5 | Sensor ground |
| W9 | OEM-A-1X / SP-0V-1 | 0.5 | Sensor ground |
| W10 | OEM-C-3AB / SP-0V-1 | 0.5 | Sensor ground |
| W11 | OEM-C-3S / SP-0V-1 | 0.5 | Sensor ground (CAS) |
| W12 | SP-0V-1 / MAXXECUSPORT-C1-H1 | 0.5 | Sensor GND |
| W13 | SP-0V-1 / MAXXECUSPORT-C1-H2 | 0.5 | Trigger GND |
| W14 | OEM-C-3A / MAXXECUSPORT-C1-G1 | 0.5 | +5V sensor supply |
| W15 | OEM-C-3R / MAXXECUSPORT-C1-H3 | 0.5 | Crank position (CAS NE) |
| W16 | OEM-C-3U / MAXXECUSPORT-C1-H4 | 0.5 | Home position (CAS G) |
| W17 | OEM-D-4AF / MAXXECUSPORT-C1-A2 | 0.5 | Ignition front trailing |
| W18 | OEM-D-4AJ / MAXXECUSPORT-C1-A3 | 0.5 | Ignition rear trailing |
| W19 | OEM-D-4AN / MAXXECUSPORT-C1-B2 | 0.5 | Ignition leading (wasted spark) |
| W20 | OEM-A-1Q / MAXXECUSPORT-C1-K1 | 0.5 | Injector 1 (front primary) |
| W21 | OEM-A-1U / MAXXECUSPORT-C1-K2 | 0.5 | Injector 2 (rear primary) |
| W22 | OEM-A-1Y / MAXXECUSPORT-C1-M1 | 0.5 | Injector 3 (front secondary) |
| W23 | OEM-A-1AC / MAXXECUSPORT-C1-M2 | 0.5 | Injector 4 (rear secondary) |
| W24 | OEM-A-1AA / MAXXECUSPORT-C1-L1 | 0.5 | OMP stepper phase B1 |
| W25 | OEM-A-1AE / MAXXECUSPORT-C1-L2 | 0.5 | OMP stepper phase A1 |
| W26 | OEM-A-1H / MAXXECUSPORT-C1-B4 | 0.5 | Cooling fan relay (low speed) |
| W27 | OEM-D-4D / MAXXECUSPORT-C1-C4 | 0.5 | Air pump clutch relay |
| W28 | OEM-D-4F / MAXXECUSPORT-C1-D4 | 0.5 | Fuel pump speed relay |
| W29 | OEM-D-4G / MAXXECUSPORT-C1-A1 | 0.5 | Fuel pump relay |
| W30 | OEM-D-4I / MAXXECUSPORT-C1-B1 | 0.5 | A/C relay |
| W31 | OEM-D-4K / MAXXECUSPORT-C1-A4 | 0.5 | Cooling fan relay (low speed) |
| W32 | OEM-D-4L / MAXXECUSPORT-C1-M3 | 0.5 | Cooling fan relay (high speed) |
| W33 | OEM-A-1C / MAXXECUSPORT-C1-L3 | 0.5 | Idle speed control (ISC) solenoid |
| W34 | OEM-D-4AH / MAXXECUSPORT-C1-J3 | 0.5 | MAP sensor (PIM) |
| W35 | OEM-C-3I / MAXXECUSPORT-C1-G2 | 0.5 | Throttle position (TPS, full range) |
| W36 | OEM-C-3D / MAXXECUSPORT-C1-J4 | 0.5 | O2 sensor (narrowband) |
| W37 | OEM-C-3W / MAXXECUSPORT-C1-J1 | 0.5 | Coolant temperature (ECT) |
| W38 | OEM-C-3T / MAXXECUSPORT-C1-J2 | 0.5 | Intake air temperature (IAT) |
| W39 | OEM-C-3V / MAXXECUSPORT-C1-F1 | 0.5 | Fuel temperature |
| W40 | OEM-C-3H / MAXXECUSPORT-C1-C1 | 0.5 | OMP position sensor |
| W41 | OEM-D-4Q / MAXXECUSPORT-C1-K3 | 0.5 | Vehicle speed sensor |
| W42 | OEM-D-4AA / MAXXECUSPORT-C1-K4 | 0.5 | Brake pedal switch |
| W43 | OEM-D-4S / MAXXECUSPORT-C1-D2 | 0.5 | Clutch switch |
| W44 | OEM-D-4V / MAXXECUSPORT-C1-D3 | 0.5 | A/C request |
| W45 | OEM-D-4W / MAXXECUSPORT-C1-E4 | 0.5 | Power steering pressure switch |
Bill of materials
No parts in this harness.