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 |
|---|---|---|---|
| M170-A | connector | ||
| MAIN-R | connector | ||
| NEW-BATT | terminal | ||
| NEW-KEYON | terminal | ||
| OEM-A | connector | ||
| OEM-B | connector | ||
| OEM-D | connector | ||
| SP-0V | splice | ||
| SP-14V | splice | ||
| SP-GND | splice |
Create part
Cut list
Lengths need a layout (0 of 31 routed).
| Wire | From / To | Gauge | Signal |
|---|---|---|---|
| W1 | OEM-D-12 / SP-14V-1 | 0.85 | EFI main relay power (+B) |
| W2 | OEM-D-13 / SP-14V-1 | 0.85 | EFI main relay power (second feed) (+B1) |
| W3 | NEW-KEYON-1 / MAIN-R-COIL+ | 0.5 | Relay coil positive (ignition-switched +12V) |
| W4 | NEW-BATT-1 / MAIN-R-IN | 1.25 | Relay contact input (battery + via main fuse) |
| W5 | MAIN-R-COIL- / SP-GND-1 | 0.5 | Relay coil negative (ECU low-side driver) |
| W6 | MAIN-R-OUT / M170-A-23 | 1.25 | Relay contact output (switched +12V bus) |
| W7 | MAIN-R-OUT / M170-A-32 | 1.25 | Relay contact output (switched +12V bus) |
| W8 | MAIN-R-OUT / M170-A-41 | 1.25 | Relay contact output (switched +12V bus) |
| W9 | OEM-A-26 / SP-GND-1 | 0.85 | Power ground (E01/E02) |
| W10 | SP-GND-1 / M170-A-14 | 0.85 | Battery Negative 1 |
| W11 | SP-GND-1 / M170-A-15 | 0.85 | Battery Negative 2 |
| W12 | SP-GND-1 / M170-A-19 | 0.85 | Battery Negative 3 |
| W13 | SP-GND-1 / M170-A-20 | 0.85 | Battery Negative 4 |
| W14 | SP-GND-1 / M170-A-21 | 0.85 | Battery Negative 5 |
| W15 | OEM-B-9 / SP-0V-1 | 0.5 | Sensor ground (E1) |
| W16 | SP-0V-1 / M170-A-11 | 0.5 | Sensor 0V A |
| W17 | SP-0V-1 / M170-A-27 | 0.5 | Sensor 0V B |
| W18 | OEM-D-5 / M170-A-29 | 0.5 | Knock sensor 1 (KNK1) |
| W19 | OEM-A-12 / M170-A-33 | 0.5 | Injectors 1 & 4 (No.10) |
| W20 | OEM-A-11 / M170-A-43 | 0.5 | Injectors 2 & 6 (No.20) |
| W21 | OEM-A-25 / M170-A-50 | 0.5 | Injectors 3 & 5 (No.30) |
| W22 | OEM-D-4 / M170-A-51 | 0.5 | EFI main relay control (M-REL) |
| W23 | OEM-B-11 / M170-A-26 | 0.5 | Throttle position sensor (VTA) |
| W24 | OEM-B-4 / M170-A-28 | 0.5 | Coolant temp (THW) |
| W25 | OEM-D-2 / M170-A-49 | 0.5 | Karman-vortex AFM signal (KS) |
| W26 | OEM-B-6 / M170-A-18 | 0.5 | Primary O2 sensor (OX1) |
| W27 | OEM-D-3 / M170-A-38 | 0.5 | Intake air temp (THA) |
| W28 | OEM-D-9 / M170-A-56 | 0.5 | Vehicle speed sensor (SPD) |
| W29 | OEM-D-10 / M170-A-46 | 0.5 | A/C compressor request (A/C) |
| W30 | OEM-D-11 / M170-A-45 | 0.5 | Starter signal (STA) |
| W31 | OEM-D-22 / M170-A-52 | 0.5 | Neutral start switch (NSW) |
Bill of materials
No parts in this harness.