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 | ||
| SP-0V | splice | ||
| SP-14V | splice | ||
| SP-GND | splice | ||
| T8-C1 | connector | ||
| T8-C2 | connector | ||
| T8-C3 | connector |
Create part
Cut list
Lengths need a layout (0 of 45 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 / T8-C1-31 | 0.85 | Ignition 12v In |
| W3 | OEM-A-54 / T8-C3-26 | 0.85 | Battery constant (+12V) |
| 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 / T8-C1-13 | 0.85 | Power Ground 1 |
| W10 | SP-GND-1 / T8-C1-14 | 0.85 | Power Ground 2 |
| 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 / T8-C2-21 | 0.5 | Sensor Ground |
| W15 | SP-0V-1 / T8-C2-33 | 0.5 | Sensor Ground |
| W16 | OEM-A-41 / T8-C2-24 | 0.5 | TPS power (+5V) |
| W17 | OEM-A-68 / T8-C2-12 | 0.5 | Crank position sensor (G28, VR+) |
| W18 | OEM-A-44 / T8-C2-22 | 0.5 | Camshaft position sensor (G40) |
| W19 | OEM-A-8 / T8-C1-10 | 0.5 | Ignition coil 2 (coil pack pin 2) |
| W20 | OEM-A-60 / T8-C1-18 | 0.5 | Ignition coil 3 (coil pack pin 3) |
| W21 | OEM-A-52 / T8-C1-1 | 0.5 | Ignition coil 4 (coil pack pin 4) |
| W22 | OEM-A-24 / T8-C1-9 | 0.5 | Injector 1 (cyl 1) |
| W23 | OEM-A-3 / T8-C1-17 | 0.5 | Injector 2 (cyl 2) |
| W24 | OEM-A-26 / T8-C1-34 | 0.5 | Injector 3 (cyl 3) |
| W25 | OEM-A-4 / T8-C1-25 | 0.5 | Injector 4 (cyl 4) |
| W26 | OEM-A-25 / T8-C1-16 | 0.5 | Injector 5 (cyl 5) |
| W27 | OEM-A-2 / T8-C1-15 | 0.5 | Injector 6 (cyl 6) |
| W28 | OEM-A-17 / T8-C2-10 | 0.5 | MAF signal |
| W29 | OEM-A-40 / T8-C2-1 | 0.5 | Throttle position sensor 1 |
| W30 | OEM-A-14 / T8-C2-7 | 0.5 | Coolant temperature (CLT) |
| W31 | OEM-A-49 / T8-C1-5 | 0.5 | Secondary air injection relay control |
| W32 | OEM-A-6 / T8-C1-4 | 0.5 | Fuel pump relay control |
| W33 | OEM-A-9 / T8-C1-3 | 0.5 | Engine electronics relay control |
| W34 | OEM-A-27 / T8-C3-22 | 0.5 | Idle air control valve |
| W35 | OEM-A-31 / T8-C3-23 | 0.5 | EVAP canister purge valve |
| W36 | OEM-A-5 / T8-C3-24 | 0.5 | Check engine light (MIL) |
| W37 | OEM-A-53 / T8-C3-25 | 0.5 | Idle air control valve (2nd) |
| W38 | OEM-A-22 / T8-C3-10 | 0.5 | Tachometer output |
| W39 | OEM-A-51 / T8-C3-4 | 0.5 | MFA fuel-consumption signal |
| W40 | OEM-A-20 / T8-C2-5 | 0.5 | O2 sensor 1 (primary) |
| W41 | OEM-A-15 / T8-C2-25 | 0.5 | EGR temperature sensor |
| W42 | OEM-A-36 / T8-C2-17 | 0.5 | Intake air temperature (IAT) |
| W43 | OEM-A-65 / T8-C2-2 | 0.5 | Vehicle speed sensor (VSS) |
| W44 | OEM-A-37 / T8-C2-4 | 0.5 | A/C compressor switch |
| W45 | OEM-A-39 / T8-C2-8 | 0.5 | A/C switch (cabin) |
Bill of materials
No wire parts assigned: 45 wires need a wire part.
| Part number | Manufacturer | Description | Qty | Unit | Unit price | Buy |
|---|---|---|---|---|---|---|
| connector1 line | ||||||
| 4-1437290-0 | TE | Superseal 1.0 34-way plug, Key 1 | 3 | ea | 3 Way ComponentsKSV Looms (kit)TE Connectivity | |
| terminal1 line | ||||||
| 3-1447221-4 | TE | Superseal 1.0 socket terminal, 20 AWG (0.5 sq mm) | 36 | ea | TE Connectivity | |