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 |
|---|---|---|---|
| NEXUSS3-A | connector | ||
| NEXUSS3-C | connector | ||
| OEM-A | connector | ||
| SP-0V | splice | ||
| SP-14V | splice | ||
| SP-GND | splice |
Create part
Cut list
Lengths need a layout (0 of 46 routed).
| Wire | From / To | Gauge | Signal |
|---|---|---|---|
| W1 | OEM-A-23 / SP-14V-1 | 0.85 | ECU main power (from engine-electronics relay) |
| W2 | SP-14V-1 / NEXUSS3-A-18 | 0.85 | +12V switched input |
| W3 | SP-14V-1 / NEXUSS3-A-25 | 0.85 | +12V switched input |
| W4 | OEM-A-1 / SP-GND-1 | 0.85 | Ground (E-1) |
| W5 | OEM-A-10 / SP-GND-1 | 0.85 | Ground (OBD1 EGR enable) |
| W6 | OEM-A-55 / SP-GND-1 | 0.85 | Ground (E-3) |
| W7 | OEM-A-56 / SP-GND-1 | 0.85 | Ground (E-4) |
| W8 | OEM-A-7 / SP-GND-1 | 0.85 | Ground (E-2) |
| W9 | SP-GND-1 / NEXUSS3-A-10 | 0.85 | Battery ground |
| W10 | SP-GND-1 / NEXUSS3-A-11 | 0.85 | Battery ground |
| W11 | OEM-A-16 / SP-0V-1 | 0.5 | MAF ground |
| W12 | OEM-A-33 / SP-0V-1 | 0.5 | Sensor ground bus |
| W13 | OEM-A-67 / SP-0V-1 | 0.5 | Crank sensor return (VR-) |
| W14 | SP-0V-1 / NEXUSS3-C-26 | 0.5 | Signal ground |
| W15 | OEM-A-41 / NEXUSS3-C-25 | 0.5 | TPS power (+5V) |
| W16 | OEM-A-68 / NEXUSS3-C-1 | 0.5 | Crank position sensor (G28, VR+) |
| W17 | SP-0V-1 / NEXUSS3-C-2 | 0.5 | Trigger - |
| W18 | OEM-A-44 / NEXUSS3-C-3 | 0.5 | Camshaft position sensor (G40) |
| W19 | SP-0V-1 / NEXUSS3-C-4 | 0.5 | Home - |
| W20 | OEM-A-34 / NEXUSS3-C-23 | 0.5 | Knock sensor 1 |
| W21 | OEM-A-8 / NEXUSS3-A-27 | 0.5 | Ignition coil 2 (coil pack pin 2) |
| W22 | OEM-A-60 / NEXUSS3-A-28 | 0.5 | Ignition coil 3 (coil pack pin 3) |
| W23 | OEM-A-52 / NEXUSS3-A-29 | 0.5 | Ignition coil 4 (coil pack pin 4) |
| W24 | OEM-A-24 / NEXUSS3-A-1 | 0.5 | Injector 1 (cyl 1) |
| W25 | OEM-A-3 / NEXUSS3-A-2 | 0.5 | Injector 2 (cyl 2) |
| W26 | OEM-A-26 / NEXUSS3-A-3 | 0.5 | Injector 3 (cyl 3) |
| W27 | OEM-A-4 / NEXUSS3-A-4 | 0.5 | Injector 4 (cyl 4) |
| W28 | OEM-A-25 / NEXUSS3-A-5 | 0.5 | Injector 5 (cyl 5) |
| W29 | OEM-A-2 / NEXUSS3-A-6 | 0.5 | Injector 6 (cyl 6) |
| W30 | OEM-A-38 / NEXUSS3-A-13 | 0.5 | Ignition switch (run/start) |
| W31 | OEM-A-17 / NEXUSS3-C-10 | 0.5 | MAF signal |
| W32 | OEM-A-40 / NEXUSS3-C-11 | 0.5 | Throttle position sensor 1 |
| W33 | OEM-A-14 / NEXUSS3-C-12 | 0.5 | Coolant temperature (CLT) |
| W34 | OEM-A-49 / NEXUSS3-A-26 | 0.5 | Secondary air injection relay control |
| W35 | OEM-A-6 / NEXUSS3-A-9 | 0.5 | Fuel pump relay control |
| W36 | OEM-A-9 / NEXUSS3-A-12 | 0.5 | Engine electronics relay control |
| W37 | OEM-A-27 / NEXUSS3-A-14 | 0.5 | Idle air control valve |
| W38 | OEM-A-31 / NEXUSS3-A-15 | 0.5 | EVAP canister purge valve |
| W39 | OEM-A-5 / NEXUSS3-A-16 | 0.5 | Check engine light (MIL) |
| W40 | OEM-A-53 / NEXUSS3-A-17 | 0.5 | Idle air control valve (2nd) |
| W41 | OEM-A-20 / NEXUSS3-C-13 | 0.5 | O2 sensor 1 (primary) |
| W42 | OEM-A-15 / NEXUSS3-C-14 | 0.5 | EGR temperature sensor |
| W43 | OEM-A-36 / NEXUSS3-C-15 | 0.5 | Intake air temperature (IAT) |
| W44 | OEM-A-65 / NEXUSS3-C-5 | 0.5 | Vehicle speed sensor (VSS) |
| W45 | OEM-A-37 / NEXUSS3-C-6 | 0.5 | A/C compressor switch |
| W46 | OEM-A-39 / NEXUSS3-C-7 | 0.5 | A/C switch (cabin) |
Bill of materials
No parts in this harness.