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-5 | connector | ||
| OEM-A | connector | ||
| OEM-B | connector | ||
| OEM-C | connector | ||
| OEM-D | connector | ||
| RLY1-R | connector | ||
| RLY2-R | connector | ||
| SP-0V | splice | ||
| SP-14V | splice | ||
| SP-5V1 | splice | ||
| SP-GND | splice |
Create part
Cut list
Lengths need a layout (0 of 58 routed).
| Wire | From / To | Gauge | Signal |
|---|---|---|---|
| W1 | OEM-A-25 / SP-14V-1 | 0.85 | ECU power (IGP1) |
| W2 | OEM-C-1 / SP-14V-1 | 0.85 | ECU power (IGP2) |
| W3 | SP-14V-1 / MAXXECUSPORT-C1-M4 | 0.85 | +12V ECU power supply |
| W4 | OEM-A-23 / SP-GND-1 | 0.85 | Power ground (PG1) |
| W5 | OEM-A-24 / SP-GND-1 | 0.85 | Power ground (PG2) |
| W6 | OEM-B-2 / SP-GND-1 | 0.85 | Chassis ground (LG2) |
| W7 | SP-GND-1 / MAXXECUSPORT-C1-L4 | 0.85 | Engine GND |
| W8 | OEM-A-26 / SP-0V-1 | 0.5 | Sensor ground (LG1) |
| W9 | OEM-B-10 / SP-0V-1 | 0.5 | CYL 2M — CYP sensor 2 return |
| W10 | OEM-B-12 / SP-0V-1 | 0.5 | CYL 1M — CYP sensor 1 return |
| W11 | OEM-B-14 / SP-0V-1 | 0.5 | CRNK 2M — TDC sensor return |
| W12 | OEM-B-16 / SP-0V-1 | 0.5 | CRNK 1M — crank sensor return |
| W13 | OEM-D-21 / SP-0V-1 | 0.5 | Sensor ground (SG) |
| W14 | OEM-D-22 / SP-0V-1 | 0.5 | Sensor ground (SG) |
| W15 | SP-0V-1 / MAXXECUSPORT-C1-H1 | 0.5 | Sensor GND |
| W16 | SP-0V-1 / MAXXECUSPORT-C1-H2 | 0.5 | Trigger GND |
| W17 | OEM-D-18 / SP-5V1-1 | 0.5 | +5V sensor supply (VCC) |
| W18 | OEM-D-19 / SP-5V1-1 | 0.5 | +5V sensor supply (VCC) |
| W19 | OEM-D-20 / SP-5V1-1 | 0.5 | +5V sensor supply (VCC) |
| W20 | SP-5V1-1 / MAXXECUSPORT-C1-G1 | 0.5 | +5V sensor supply |
| W21 | OEM-B-15 / MAXXECUSPORT-C1-H3 | 0.5 | CRNK 1P — crank sensor signal |
| W22 | OEM-B-11 / MAXXECUSPORT-C1-H4 | 0.5 | CYL 1P — CYP sensor 1 signal |
| W23 | OEM-A-21 / MAXXECUSPORT-C1-A2 | 0.5 | Ignition coil 1 |
| W24 | OEM-A-22 / MAXXECUSPORT-C1-A3 | 0.5 | Ignition coil 2 |
| W25 | OEM-B-8 / MAXXECUSPORT-C1-B2 | 0.5 | Ignition coil 3 |
| W26 | OEM-B-6 / MAXXECUSPORT-C1-B3 | 0.5 | Ignition coil 4 |
| W27 | OEM-B-4 / MAXXECUSPORT-C1-C2 | 0.5 | Ignition coil 5 |
| W28 | OEM-B-3 / MAXXECUSPORT-C1-C3 | 0.5 | Ignition coil 6 |
| W29 | OEM-A-1 / MAXXECUSPORT-C1-K1 | 0.5 | Injector 1 |
| W30 | OEM-A-3 / MAXXECUSPORT-C1-K2 | 0.5 | Injector 2 |
| W31 | OEM-A-5 / MAXXECUSPORT-C1-M1 | 0.5 | Injector 3 |
| W32 | OEM-A-2 / MAXXECUSPORT-C1-M2 | 0.5 | Injector 4 |
| W33 | OEM-A-4 / MAXXECUSPORT-C1-M3 | 0.5 | Injector 5 |
| W34 | OEM-A-6 / MAXXECUSPORT-C1-L3 | 0.5 | Injector 6 |
| W35 | OEM-D-17 / MAXXECUSPORT-C1-J3 | 0.5 | MAP sensor |
| W36 | OEM-D-11 / MAXXECUSPORT-C1-G2 | 0.5 | Throttle position sensor (TPS) |
| W37 | OEM-D-13 / MAXXECUSPORT-C1-F1 | 0.5 | Engine coolant temperature (ECT) |
| W38 | OEM-A-8 / MAXXECUSPORT-C1-B4 | 0.5 | Fuel pump relay 2 (FLR2) |
| W39 | OEM-A-15 / MAXXECUSPORT-C1-C4 | 0.5 | A/C clutch relay (ACC) |
| W40 | OEM-A-18 / MAXXECUSPORT-C1-D4 | 0.5 | Radiator fan control (FANCNTR) |
| W41 | OEM-A-7 / MAXXECUSPORT-C1-A1 | 0.5 | Main relay |
| W42 | OEM-5-F5 / RLY1-R-OUT | 0.5 | Front VTEC solenoid valve |
| W43 | SP-14V-1 / RLY1-R-IN | 0.5 | Relay contact input (switched +12 V) |
| W44 | SP-14V-1 / RLY1-R-COIL+ | 0.5 | Relay coil positive (switched +12 V) |
| W45 | RLY1-R-COIL- / MAXXECUSPORT-C1-B1 | 0.5 | Relay coil negative (ECU low-side driver) |
| W46 | OEM-5-F7 / RLY2-R-OUT | 0.5 | Rear VTEC solenoid valve |
| W47 | SP-14V-1 / RLY2-R-IN | 0.5 | Relay contact input (switched +12 V) |
| W48 | SP-14V-1 / RLY2-R-COIL+ | 0.5 | Relay coil positive (switched +12 V) |
| W49 | RLY2-R-COIL- / MAXXECUSPORT-C1-A4 | 0.5 | Relay coil negative (ECU low-side driver) |
| W50 | OEM-A-10 / MAXXECUSPORT-C1-D1 | 0.5 | Front O2 sensor heater (HTCNTF) |
| W51 | OEM-D-14 / MAXXECUSPORT-C1-J4 | 0.5 | Primary O2 sensor |
| W52 | OEM-D-16 / MAXXECUSPORT-C1-C1 | 0.5 | Secondary O2 sensor |
| W53 | OEM-D-15 / MAXXECUSPORT-C1-F2 | 0.5 | Intake air temperature (IAT) |
| W54 | OEM-D-12 / MAXXECUSPORT-C1-D2 | 0.5 | EGR lift sensor (EGRL) |
| W55 | OEM-C-2 / MAXXECUSPORT-C1-K3 | 0.5 | Vehicle speed sensor (VSS) |
| W56 | OEM-D-9 / MAXXECUSPORT-C1-K4 | 0.5 | Alternator FR signal |
| W57 | OEM-5-F2 / MAXXECUSPORT-C1-D3 | 0.5 | Front VTEC pressure switch |
| W58 | OEM-5-F4 / MAXXECUSPORT-C1-E4 | 0.5 | Rear VTEC pressure switch |
Bill of materials
No parts in this harness.