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 |
|---|---|---|---|
| M800-A | connector | ||
| M800-B | connector | ||
| MAIN-R | connector | ||
| NEW-BATT | terminal | ||
| NEW-KEYON | terminal | ||
| OEM-A | connector | ||
| OEM-B | connector | ||
| OEM-D | connector | ||
| SP-0V | splice | ||
| SP-GND | splice |
Create part
Cut list
Lengths need a layout (0 of 20 routed).
| Wire | From / To | Gauge | Signal |
|---|---|---|---|
| W1 | NEW-KEYON-1 / MAIN-R-COIL+ | 0.5 | Relay coil positive (ignition-switched +12V) |
| W2 | NEW-BATT-1 / MAIN-R-IN | 0.85 | Relay contact input (battery + via main fuse) |
| W3 | MAIN-R-COIL- / SP-GND-1 | 0.5 | Relay coil negative (ECU low-side driver) |
| W4 | MAIN-R-OUT / M800-A-26 | 0.85 | Relay contact output (switched +12V bus) |
| W5 | OEM-A-26 / SP-GND-1 | 0.85 | Power ground (E01/E02) |
| W6 | SP-GND-1 / M800-A-10 | 0.85 | GND Battery Negative |
| W7 | SP-GND-1 / M800-A-11 | 0.85 | GND Battery Negative |
| W8 | OEM-B-9 / SP-0V-1 | 0.5 | Sensor ground (E2) |
| W9 | SP-0V-1 / M800-B-14 | 0.5 | 0V Comms Reference |
| W10 | SP-0V-1 / M800-B-15 | 0.5 | 0V Auxiliary Sensor Supply |
| W11 | SP-0V-1 / M800-B-16 | 0.5 | 0V Engine Sensor Supply |
| W12 | OEM-A-12 / M800-A-19 | 0.5 | Injectors 1 & 4 (No.10) |
| W13 | OEM-A-11 / M800-A-20 | 0.5 | Injectors 2 & 6 (No.20) |
| W14 | OEM-A-25 / M800-A-21 | 0.5 | Injectors 3 & 5 (No.30) |
| W15 | OEM-B-11 / M800-A-14 | 0.5 | Throttle position sensor (VTA) |
| W16 | OEM-B-4 / M800-B-3 | 0.5 | Coolant temp (THW) |
| W17 | OEM-B-2 / M800-B-8 | 0.5 | Karman-vortex AFM signal (KS) |
| W18 | OEM-B-6 / M800-A-15 | 0.5 | Primary O2 sensor (OX1) |
| W19 | OEM-B-3 / M800-B-4 | 0.5 | Intake air temp (THA) |
| W20 | OEM-D-9 / M800-B-9 | 0.5 | Vehicle speed sensor (SPD) |
Bill of materials
No wire parts assigned: 20 wires need a wire part.
| Part number | Manufacturer | Description | Qty | Unit | Unit price | Buy |
|---|---|---|---|---|---|---|
| connector2 lines | ||||||
| 3-1437290-7 | TE | Superseal 1.0 26-way plug | 1 | ea | TE Connectivity | |
| 4-1437290-0 | TE | Superseal 1.0 34-way plug, Key 1 | 1 | 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) | 15 | ea | TE Connectivity | |