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 |
|---|---|---|---|
| G4XXTREMEX-A | connector | ||
| G4XXTREMEX-B | 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 29 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 | SP-14V-1 / G4XXTREMEX-B-B5 | 0.85 | Aux 9/10 E-Throttle Supply |
| W4 | NEW-KEYON-1 / MAIN-R-COIL+ | 0.5 | Relay coil positive (ignition-switched +12V) |
| W5 | NEW-BATT-1 / MAIN-R-IN | 1.25 | Relay contact input (battery + via main fuse) |
| W6 | MAIN-R-COIL- / SP-GND-1 | 0.5 | Relay coil negative (ECU low-side driver) |
| W7 | MAIN-R-OUT / G4XXTREMEX-A-A5 | 1.25 | Relay contact output (switched +12V bus) |
| W8 | OEM-A-26 / SP-GND-1 | 0.85 | Power ground (E01/E02) |
| W9 | SP-GND-1 / G4XXTREMEX-A-A25 | 0.85 | System Ground |
| W10 | SP-GND-1 / G4XXTREMEX-A-A34 | 0.85 | System Ground |
| W11 | SP-GND-1 / G4XXTREMEX-B-B25 | 0.85 | System Ground |
| W12 | SP-GND-1 / G4XXTREMEX-B-B34 | 0.85 | System Ground |
| W13 | OEM-B-9 / SP-0V-1 | 0.5 | Sensor ground (E1) |
| W14 | SP-0V-1 / G4XXTREMEX-A-A24 | 0.5 | Sensor Ground |
| W15 | SP-0V-1 / G4XXTREMEX-B-B22 | 0.5 | Sensor Ground |
| W16 | OEM-D-5 / G4XXTREMEX-B-B9 | 0.5 | Knock sensor 1 (KNK1) |
| W17 | OEM-A-12 / G4XXTREMEX-A-A4 | 0.5 | Injectors 1 & 4 (No.10) |
| W18 | OEM-A-11 / G4XXTREMEX-A-A3 | 0.5 | Injectors 2 & 6 (No.20) |
| W19 | OEM-A-25 / G4XXTREMEX-A-A2 | 0.5 | Injectors 3 & 5 (No.30) |
| W20 | OEM-D-4 / G4XXTREMEX-A-A21 | 0.5 | EFI main relay control (M-REL) |
| W21 | OEM-B-11 / G4XXTREMEX-A-A17 | 0.5 | Throttle position sensor (VTA) |
| W22 | OEM-B-4 / G4XXTREMEX-A-A15 | 0.5 | Coolant temp (THW) |
| W23 | OEM-D-2 / G4XXTREMEX-A-A30 | 0.5 | Karman-vortex AFM signal (KS) |
| W24 | OEM-B-6 / G4XXTREMEX-A-A22 | 0.5 | Primary O2 sensor (OX1) |
| W25 | OEM-D-3 / G4XXTREMEX-A-A16 | 0.5 | Intake air temp (THA) |
| W26 | OEM-D-9 / G4XXTREMEX-A-A31 | 0.5 | Vehicle speed sensor (SPD) |
| W27 | OEM-D-10 / G4XXTREMEX-A-A23 | 0.5 | A/C compressor request (A/C) |
| W28 | OEM-D-11 / G4XXTREMEX-B-B21 | 0.5 | Starter signal (STA) |
| W29 | OEM-D-22 / G4XXTREMEX-B-B20 | 0.5 | Neutral start switch (NSW) |
Bill of materials
No parts in this harness.