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 |
|---|---|---|---|
| MAXXECUSPORT-C1 | connector | ||
| OEM-A | connector | ||
| OEM-B | connector | ||
| OEM-C | connector | ||
| OEM-D | connector | ||
| SP-0V | splice | ||
| SP-14V | splice | ||
| SP-GND | splice |
Create part
Cut list
Lengths need a layout (0 of 42 routed).
| Wire | From / To | Gauge | Signal |
|---|---|---|---|
| W1 | OEM-A-12 / SP-14V-1 | 0.85 | EFI main relay (B+) |
| W2 | OEM-A-13 / SP-14V-1 | 0.85 | EFI main relay (B1+) |
| W3 | SP-14V-1 / MAXXECUSPORT-C1-M4 | 0.85 | +12V ECU power supply |
| W4 | OEM-A-22 / SP-GND-1 | 0.85 | Power ground (E1) |
| W5 | OEM-D-13 / SP-GND-1 | 0.85 | Power ground (E01) |
| W6 | OEM-D-26 / SP-GND-1 | 0.85 | Power ground (E02) |
| W7 | SP-GND-1 / MAXXECUSPORT-C1-L4 | 0.85 | Engine GND |
| W8 | OEM-A-18 / SP-0V-1 | 0.5 | Sensor ground (E2) |
| W9 | OEM-C-15 / SP-0V-1 | 0.5 | Cam sensor ground (G-) |
| W10 | OEM-C-16 / SP-0V-1 | 0.5 | Crank sensor - (NE-) |
| W11 | SP-0V-1 / MAXXECUSPORT-C1-H1 | 0.5 | Sensor GND |
| W12 | SP-0V-1 / MAXXECUSPORT-C1-H2 | 0.5 | Trigger GND |
| W13 | OEM-A-11 / MAXXECUSPORT-C1-G1 | 0.5 | Sensor supply +5V (VC) |
| W14 | OEM-C-8 / MAXXECUSPORT-C1-H3 | 0.5 | Crank sensor + (NE+) |
| W15 | OEM-C-7 / MAXXECUSPORT-C1-H4 | 0.5 | Cam sensor 1 + (G1+) |
| W16 | OEM-C-5 / MAXXECUSPORT-C1-A2 | 0.5 | Ignition 1 (IGT1) |
| W17 | OEM-C-13 / MAXXECUSPORT-C1-A3 | 0.5 | Ignition 2 (IGT2) |
| W18 | OEM-D-12 / MAXXECUSPORT-C1-K1 | 0.5 | Injector 1&7 (#10) |
| W19 | OEM-D-11 / MAXXECUSPORT-C1-K2 | 0.5 | Injector 2&8 (#20) |
| W20 | OEM-D-24 / MAXXECUSPORT-C1-M1 | 0.5 | Injector 3&5 (#40) |
| W21 | OEM-D-25 / MAXXECUSPORT-C1-M2 | 0.5 | Injector 4&6 (#30) |
| W22 | OEM-A-4 / MAXXECUSPORT-C1-G2 | 0.5 | Throttle position (VTA1) |
| W23 | OEM-A-5 / MAXXECUSPORT-C1-F1 | 0.5 | Coolant temperature (THW) |
| W24 | OEM-B-4 / MAXXECUSPORT-C1-B4 | 0.5 | EFI main relay control (MREL) |
| W25 | OEM-B-6 / MAXXECUSPORT-C1-C4 | 0.5 | Fuel pump relay (FPR) |
| W26 | OEM-B-7 / MAXXECUSPORT-C1-D4 | 0.5 | A/C clutch relay (ACMG) |
| W27 | OEM-D-19 / MAXXECUSPORT-C1-D1 | 0.5 | O2 heater 2 (HT2) |
| W28 | OEM-D-20 / MAXXECUSPORT-C1-A1 | 0.5 | O2 heater 1 (HT1) |
| W29 | OEM-D-17 / MAXXECUSPORT-C1-B1 | 0.5 | Cold start injector 1 (STJ1) |
| W30 | OEM-D-8 / MAXXECUSPORT-C1-A4 | 0.5 | ISC stepper coil 1 (ISC1) |
| W31 | OEM-D-7 / MAXXECUSPORT-C1-M3 | 0.5 | ISC stepper coil 2 (ISC2) |
| W32 | OEM-D-6 / MAXXECUSPORT-C1-L3 | 0.5 | ISC stepper coil 3 (ISC3) |
| W33 | OEM-A-17 / MAXXECUSPORT-C1-J3 | 0.5 | O2 right front (OXR1) |
| W34 | OEM-A-6 / MAXXECUSPORT-C1-J4 | 0.5 | O2 left front (OXL1) |
| W35 | OEM-B-11 / MAXXECUSPORT-C1-C1 | 0.5 | O2 right rear (OXR2) |
| W36 | OEM-B-24 / MAXXECUSPORT-C1-D2 | 0.5 | O2 left rear (OXL2) |
| W37 | OEM-A-16 / MAXXECUSPORT-C1-F2 | 0.5 | Intake air temperature (THA) |
| W38 | OEM-A-7 / MAXXECUSPORT-C1-J1 | 0.5 | EGR temperature sensor |
| W39 | OEM-C-2 / MAXXECUSPORT-C1-K3 | 0.5 | Igniter 1 feedback (IGF1) |
| W40 | OEM-C-10 / MAXXECUSPORT-C1-K4 | 0.5 | Igniter 2 feedback (IGF2) |
| W41 | OEM-A-9 / MAXXECUSPORT-C1-D3 | 0.5 | Diagnostic test 1 (TE1) |
| W42 | OEM-A-20 / MAXXECUSPORT-C1-E4 | 0.5 | Diagnostic test 2 (TE2) |
Bill of materials
No parts in this harness.