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 |
|---|---|---|---|
| FT450-A | connector | ||
| MAIN-R | connector | ||
| NEW-BATT | terminal | ||
| NEW-KEYON | terminal | ||
| OEM-X1 | connector | ||
| OEM-X2 | connector | ||
| SP-0V | splice | ||
| SP-14V | splice | ||
| SP-5V1 | splice | ||
| SP-GND | splice |
Create part
Cut list
Lengths need a layout (0 of 65 routed).
| Wire | From / To | Gauge | Signal |
|---|---|---|---|
| W1 | OEM-X1-19 / SP-14V-1 | 0.85 | Ignition 1 voltage (key hot) |
| W2 | OEM-X1-47 / SP-14V-1 | 0.85 | Ignition 1 voltage (key hot) |
| W3 | NEW-KEYON-1 / MAIN-R-COIL+ | 0.5 | Relay coil positive (ignition-switched +12V) |
| W4 | NEW-BATT-1 / MAIN-R-IN | 0.85 | 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 / FT450-A-A13 | 0.85 | Relay contact output (switched +12V bus) |
| W7 | OEM-X1-73 / SP-GND-1 | 0.85 | Power ground |
| W8 | OEM-X2-78 / SP-GND-1 | 0.85 | Coil low reference (odd bank) |
| W9 | OEM-X2-79 / SP-GND-1 | 0.85 | Coil low reference (even bank) |
| W10 | SP-GND-1 / FT450-A-A7 | 0.85 | Power ground |
| W11 | OEM-X1-11 / SP-0V-1 | 0.5 | HO2S low reference, bank 1 sensor 2 |
| W12 | OEM-X1-13 / SP-0V-1 | 0.5 | A/C refrigerant pressure sensor low reference (5514) |
| W13 | OEM-X1-23 / SP-0V-1 | 0.5 | APP sensor low reference |
| W14 | OEM-X1-30 / SP-0V-1 | 0.5 | APP sensor low reference |
| W15 | OEM-X1-31 / SP-0V-1 | 0.5 | Fuel tank pressure sensor low reference (6049) |
| W16 | OEM-X1-38 / SP-0V-1 | 0.5 | Intake air temperature (IAT) low reference |
| W17 | OEM-X1-49 / SP-0V-1 | 0.5 | HO2S low reference, bank 2 sensor 2 |
| W18 | OEM-X2-22 / SP-0V-1 | 0.5 | ECT low reference |
| W19 | OEM-X2-34 / SP-0V-1 | 0.5 | Oil pressure low reference |
| W20 | OEM-X2-35 / SP-0V-1 | 0.5 | Throttle body low reference |
| W21 | OEM-X2-52 / SP-0V-1 | 0.5 | Camshaft actuator low reference |
| W22 | OEM-X2-53 / SP-0V-1 | 0.5 | MAP low reference |
| W23 | OEM-X2-56 / SP-0V-1 | 0.5 | HO2S low reference, bank 1 sensor 1 |
| W24 | OEM-X2-60 / SP-0V-1 | 0.5 | HO2S low reference, bank 2 sensor 1 |
| W25 | OEM-X2-66 / SP-0V-1 | 0.5 | Camshaft position low reference |
| W26 | OEM-X2-69 / SP-0V-1 | 0.5 | Crankshaft position low reference |
| W27 | SP-0V-1 / FT450-A-A12 | 0.5 | Signal ground |
| W28 | OEM-X1-33 / SP-5V1-1 | 0.5 | 5V reference (fuel tank pressure) |
| W29 | OEM-X1-34 / SP-5V1-1 | 0.5 | 5V reference (A/C pressure) |
| W30 | OEM-X1-36 / SP-5V1-1 | 0.5 | 5V reference (APP sensor) |
| W31 | OEM-X1-56 / SP-5V1-1 | 0.5 | 5V reference (APP sensor) |
| W32 | OEM-X2-2 / SP-5V1-1 | 0.5 | 5V reference (crankshaft sensor) |
| W33 | OEM-X2-3 / SP-5V1-1 | 0.5 | 5V reference (throttle body) |
| W34 | OEM-X2-41 / SP-5V1-1 | 0.5 | 5V reference (oil pressure) |
| W35 | OEM-X2-43 / SP-5V1-1 | 0.5 | 5V reference (MAP) |
| W36 | OEM-X2-44 / SP-5V1-1 | 0.5 | 5V reference (camshaft sensor) |
| W37 | SP-5V1-1 / FT450-A-A14 | 0.5 | +5V sensor supply |
| W38 | OEM-X2-68 / FT450-A-A18 | 0.5 | Crankshaft position signal (58x) |
| W39 | SP-0V-1 / FT450-A-A18 | 0.5 | RPM reference (crank -) |
| W40 | OEM-X2-64 / FT450-A-A17 | 0.5 | Camshaft position signal (4x) |
| W41 | OEM-X2-70 / FT450-A-A8 | 0.5 | Ignition coil 1 control |
| W42 | OEM-X2-73 / FT450-A-A9 | 0.5 | Ignition coil 2 control |
| W43 | OEM-X2-77 / FT450-A-A10 | 0.5 | Ignition coil 3 control |
| W44 | OEM-X2-76 / FT450-A-A11 | 0.5 | Ignition coil 4 control |
| W45 | OEM-X2-20 / FT450-A-A1 | 0.5 | Injector 1 |
| W46 | OEM-X2-37 / FT450-A-A2 | 0.5 | Injector 2 |
| W47 | OEM-X2-38 / FT450-A-A1 | 0.5 | Injector 3 |
| W48 | OEM-X2-39 / FT450-A-A2 | 0.5 | Injector 4 |
| W49 | OEM-X2-18 / FT450-A-A1 | 0.5 | Injector 5 |
| W50 | OEM-X2-19 / FT450-A-A2 | 0.5 | Injector 6 |
| W51 | OEM-X2-40 / FT450-A-A1 | 0.5 | Injector 7 |
| W52 | OEM-X2-17 / FT450-A-A2 | 0.5 | Injector 8 |
| W53 | OEM-X1-50 / FT450-A-A6 | 0.5 | Fuel pump relay control (primary) |
| W54 | OEM-X1-59 / FT450-A-A3 | 0.5 | Powertrain relay coil control (main relay) |
| W55 | OEM-X1-41 / FT450-A-A20 | 0.5 | Mass air flow (MAF) signal |
| W56 | OEM-X2-58 / FT450-A-A23 | 0.5 | Manifold absolute pressure (MAP) signal |
| W57 | OEM-X1-29 / FT450-A-A21 | 0.5 | Accelerator pedal position (APP) sensor 1 signal |
| W58 | OEM-X2-65 / FT450-A-A22 | 0.5 | Throttle position sensor 1 signal |
| W59 | OEM-X1-32 / FT450-A-A25 | 0.5 | Accelerator pedal position (APP) sensor 2 signal |
| W60 | OEM-X2-21 / FT450-A-A24 | 0.5 | Engine coolant temperature (ECT) signal |
| W61 | OEM-X1-17 / FT450-A-A4 | 0.5 | High speed cooling fan relay |
| W62 | OEM-X1-51 / FT450-A-A5 | 0.5 | Fuel pump relay control (secondary) |
| W63 | OEM-X1-37 / FT450-A-A26 | 0.5 | Intake air temperature (IAT) signal |
| W64 | OEM-X1-28 / FT450-A-A16 | 0.5 | High-speed GMLAN serial data bus + (2500) |
| W65 | OEM-X1-27 / FT450-A-A15 | 0.5 | High-speed GMLAN serial data bus - (2501) |
Bill of materials
No parts in this harness.