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-B74 | connector | ||
| OEM-B75 | connector | ||
| OEM-B76 | connector | ||
| OEM-B77 | connector | ||
| OEM-B78 | connector | ||
| OEM-B79 | connector | ||
| SP-0V | splice | ||
| SP-14V | splice | ||
| SP-GND | splice | ||
| T4-C1 | connector | ||
| T4-C2 | connector | ||
| T4-C3 | connector |
Create part
Cut list
Lengths need a layout (0 of 55 routed).
| Wire | From / To | Gauge | Signal |
|---|---|---|---|
| W1 | OEM-B78-16 / SP-14V-1 | 0.85 | EFI main relay power (+B) |
| W2 | OEM-B78-7 / SP-14V-1 | 0.85 | ETCS-i power (+BM) |
| W3 | OEM-B78-8 / SP-14V-1 | 0.85 | EFI main relay power (+B2) |
| W4 | SP-14V-1 / T4-C1-31 | 0.85 | Ignition 12v In |
| W5 | OEM-B78-1 / T4-C3-26 | 0.85 | Battery constant (BATT) |
| W6 | OEM-B74-21 / SP-GND-1 | 0.85 | Power ground (E01) |
| W7 | OEM-B74-31 / SP-GND-1 | 0.85 | Power ground (E02) |
| W8 | OEM-B74-9 / SP-GND-1 | 0.85 | ETCS-i ground (ME01) |
| W9 | OEM-B75-17 / SP-GND-1 | 0.85 | Power ground (E1) |
| W10 | SP-GND-1 / T4-C1-13 | 0.85 | Power Ground 1 |
| W11 | SP-GND-1 / T4-C1-14 | 0.85 | Power Ground 2 |
| W12 | OEM-B74-22 / SP-0V-1 | 0.5 | Crank/cam sensor return (NE-) |
| W13 | OEM-B75-18 / SP-0V-1 | 0.5 | Sensor ground (E2) |
| W14 | OEM-B75-19 / SP-0V-1 | 0.5 | MAF ground (EVG) |
| W15 | OEM-B78-22 / SP-0V-1 | 0.5 | Switch ground (EC) |
| W16 | SP-0V-1 / T4-C2-21 | 0.5 | Sensor Ground |
| W17 | SP-0V-1 / T4-C2-33 | 0.5 | Sensor Ground |
| W18 | OEM-B75-2 / T4-C2-24 | 0.5 | Sensor power (VC) |
| W19 | OEM-B74-23 / T4-C2-12 | 0.5 | Crank position (NE+) |
| W20 | OEM-B74-10 / T4-C2-22 | 0.5 | Cam position (G2) |
| W21 | OEM-B74-11 / T4-C1-10 | 0.5 | Ignition 1 (IGT, cyl 1&6) |
| W22 | OEM-B74-12 / T4-C1-18 | 0.5 | Ignition 2 (IGT2, cyl 5&2) |
| W23 | OEM-B74-13 / T4-C1-1 | 0.5 | Ignition 3 (IGT3, cyl 3&4) |
| W24 | OEM-B75-5 / T4-C1-9 | 0.5 | Injector 1 (#10) |
| W25 | OEM-B75-6 / T4-C1-17 | 0.5 | Injector 2 (#20) |
| W26 | OEM-B74-1 / T4-C1-34 | 0.5 | Injector 3 (#30) |
| W27 | OEM-B74-2 / T4-C1-25 | 0.5 | Injector 4 (#40) |
| W28 | OEM-B74-3 / T4-C1-9 | 0.5 | Injector 5 (#50) |
| W29 | OEM-B74-4 / T4-C1-17 | 0.5 | Injector 6 (#60) |
| W30 | OEM-B74-17 / T4-C1-5 | 0.5 | VVT-i OCV - (OCV-) |
| W31 | OEM-B74-18 / T4-C1-4 | 0.5 | VVT-i OCV + (OCV+) |
| W32 | OEM-B74-19 / T4-C1-3 | 0.5 | ETCS-i clutch - (CL-) |
| W33 | OEM-B74-20 / T4-C3-22 | 0.5 | ETCS-i clutch + (CL+) |
| W34 | OEM-B75-9 / T4-C2-10 | 0.5 | Manifold pressure (PIM) |
| W35 | OEM-B75-15 / T4-C2-1 | 0.5 | Accelerator pedal 1 (VPA) |
| W36 | OEM-B75-23 / T4-C2-5 | 0.5 | Throttle position 1 (VTA) |
| W37 | OEM-B75-16 / T4-C2-6 | 0.5 | Accelerator pedal 2 (VPA2) |
| W38 | OEM-B75-24 / T4-C2-19 | 0.5 | Throttle position 2 (VTA2) |
| W39 | OEM-B75-14 / T4-C2-7 | 0.5 | Coolant temperature (THW) |
| W40 | OEM-B77-13 / T4-C3-23 | 0.5 | A/C clutch relay (ACMG) |
| W41 | OEM-B78-10 / T4-C3-24 | 0.5 | EFI main relay control (M-REL) |
| W42 | OEM-B75-4 / T4-C3-9 | 0.5 | O2 sensor heater (HT) |
| W43 | OEM-B76-1 / T4-C3-25 | 0.5 | A/T shift solenoid 1 (S1) |
| W44 | OEM-B76-2 / T4-C3-10 | 0.5 | A/T shift solenoid 2 (S2) |
| W45 | OEM-B75-10 / T4-C3-17 | 0.5 | Mass air flow (VG) |
| W46 | OEM-B75-12 / T4-C3-18 | 0.5 | O2 sensor (OX) |
| W47 | OEM-B75-22 / T4-C2-25 | 0.5 | Intake air temperature (THA) |
| W48 | OEM-B76-17 / T4-C2-17 | 0.5 | A/T oil temperature (OIL) |
| W49 | OEM-B77-25 / T4-C2-2 | 0.5 | No.1 speed sensor (SPD) |
| W50 | OEM-B76-11 / T4-C2-4 | 0.5 | No.2 speed sensor return (SP2-) |
| W51 | OEM-B76-5 / T4-C2-14 | 0.5 | No.2 speed sensor (SP2+) |
| W52 | OEM-B74-25 / T4-C2-15 | 0.5 | Igniter verification (IGF) |
| W53 | OEM-B75-21 / T4-C2-34 | 0.5 | A/T 1st-gear indicator (L) |
| W54 | OEM-B75-20 / T4-C2-3 | 0.5 | A/T 2nd-gear indicator (2) |
| W55 | OEM-B74-24 / T4-C2-16 | 0.5 | Neutral/park switch (NSW) |
Bill of materials
No wire parts assigned: 55 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) | 42 | ea | TE Connectivity | |