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 |
|---|---|---|---|
| ME221-C1 | connector | ||
| 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 76 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 | SP-14V-1 / ME221-C1-15 | 0.85 | IGN +12V |
| W4 | SP-14V-1 / ME221-C1-64 | 0.85 | VBAT |
| W5 | OEM-X1-73 / SP-GND-1 | 0.85 | Power ground |
| W6 | OEM-X2-78 / SP-GND-1 | 0.85 | Coil low reference (odd bank) |
| W7 | OEM-X2-79 / SP-GND-1 | 0.85 | Coil low reference (even bank) |
| W8 | SP-GND-1 / ME221-C1-10 | 0.85 | GROUND CHASSIS |
| W9 | SP-GND-1 / ME221-C1-61 | 0.85 | GROUND |
| W10 | SP-GND-1 / ME221-C1-89 | 0.85 | GROUND |
| W11 | SP-GND-1 / ME221-C1-90 | 0.85 | GROUND |
| W12 | OEM-X1-11 / SP-0V-1 | 0.5 | HO2S low reference, bank 1 sensor 2 |
| W13 | OEM-X1-13 / SP-0V-1 | 0.5 | A/C refrigerant pressure sensor low reference (5514) |
| W14 | OEM-X1-23 / SP-0V-1 | 0.5 | APP sensor low reference |
| W15 | OEM-X1-30 / SP-0V-1 | 0.5 | APP sensor low reference |
| W16 | OEM-X1-31 / SP-0V-1 | 0.5 | Fuel tank pressure sensor low reference (6049) |
| W17 | OEM-X1-38 / SP-0V-1 | 0.5 | Intake air temperature (IAT) low reference |
| W18 | OEM-X1-49 / SP-0V-1 | 0.5 | HO2S low reference, bank 2 sensor 2 |
| W19 | OEM-X2-22 / SP-0V-1 | 0.5 | ECT low reference |
| W20 | OEM-X2-34 / SP-0V-1 | 0.5 | Oil pressure low reference |
| W21 | OEM-X2-35 / SP-0V-1 | 0.5 | Throttle body low reference |
| W22 | OEM-X2-52 / SP-0V-1 | 0.5 | Camshaft actuator low reference |
| W23 | OEM-X2-53 / SP-0V-1 | 0.5 | MAP low reference |
| W24 | OEM-X2-56 / SP-0V-1 | 0.5 | HO2S low reference, bank 1 sensor 1 |
| W25 | OEM-X2-60 / SP-0V-1 | 0.5 | HO2S low reference, bank 2 sensor 1 |
| W26 | OEM-X2-66 / SP-0V-1 | 0.5 | Camshaft position low reference |
| W27 | OEM-X2-69 / SP-0V-1 | 0.5 | Crankshaft position low reference |
| W28 | SP-0V-1 / ME221-C1-52 | 0.5 | SENSORS GROUND |
| W29 | SP-0V-1 / ME221-C1-84 | 0.5 | Sensor Ground |
| W30 | OEM-X1-33 / SP-5V1-1 | 0.5 | 5V reference (fuel tank pressure) |
| W31 | OEM-X1-34 / SP-5V1-1 | 0.5 | 5V reference (A/C pressure) |
| W32 | OEM-X1-36 / SP-5V1-1 | 0.5 | 5V reference (APP sensor) |
| W33 | OEM-X1-56 / SP-5V1-1 | 0.5 | 5V reference (APP sensor) |
| W34 | OEM-X2-2 / SP-5V1-1 | 0.5 | 5V reference (crankshaft sensor) |
| W35 | OEM-X2-3 / SP-5V1-1 | 0.5 | 5V reference (throttle body) |
| W36 | OEM-X2-41 / SP-5V1-1 | 0.5 | 5V reference (oil pressure) |
| W37 | OEM-X2-43 / SP-5V1-1 | 0.5 | 5V reference (MAP) |
| W38 | OEM-X2-44 / SP-5V1-1 | 0.5 | 5V reference (camshaft sensor) |
| W39 | SP-5V1-1 / ME221-C1-45 | 0.5 | 5V REF |
| W40 | OEM-X2-68 / ME221-C1-80 | 0.5 | Crankshaft position signal (58x) |
| W41 | OEM-X2-64 / ME221-C1-22 | 0.5 | Camshaft position signal (4x) |
| W42 | OEM-X2-26 / ME221-C1-53 | 0.5 | Knock sensor 1 signal A |
| W43 | OEM-X2-70 / ME221-C1-32 | 0.5 | Ignition coil 1 control |
| W44 | OEM-X2-73 / ME221-C1-31 | 0.5 | Ignition coil 2 control |
| W45 | OEM-X2-77 / ME221-C1-2 | 0.5 | Ignition coil 3 control |
| W46 | OEM-X2-76 / ME221-C1-1 | 0.5 | Ignition coil 4 control |
| W47 | OEM-X2-20 / ME221-C1-63 | 0.5 | Injector 1 |
| W48 | OEM-X2-37 / ME221-C1-4 | 0.5 | Injector 2 |
| W49 | OEM-X2-38 / ME221-C1-33 | 0.5 | Injector 3 |
| W50 | OEM-X2-39 / ME221-C1-3 | 0.5 | Injector 4 |
| W51 | OEM-X2-18 / ME221-C1-63 | 0.5 | Injector 5 |
| W52 | OEM-X2-19 / ME221-C1-4 | 0.5 | Injector 6 |
| W53 | OEM-X2-40 / ME221-C1-33 | 0.5 | Injector 7 |
| W54 | OEM-X2-17 / ME221-C1-3 | 0.5 | Injector 8 |
| W55 | OEM-X1-50 / ME221-C1-37 | 0.5 | Fuel pump relay control (primary) |
| W56 | OEM-X1-59 / ME221-C1-42 | 0.5 | Powertrain relay coil control (main relay) |
| W57 | OEM-X1-41 / ME221-C1-26 | 0.5 | Mass air flow (MAF) signal |
| W58 | OEM-X2-58 / ME221-C1-56 | 0.5 | Manifold absolute pressure (MAP) signal |
| W59 | OEM-X1-29 / ME221-C1-17 | 0.5 | Accelerator pedal position (APP) sensor 1 signal |
| W60 | OEM-X2-65 / ME221-C1-18 | 0.5 | Throttle position sensor 1 signal |
| W61 | OEM-X2-21 / ME221-C1-86 | 0.5 | Engine coolant temperature (ECT) signal |
| W62 | OEM-X1-17 / ME221-C1-72 | 0.5 | High speed cooling fan relay |
| W63 | OEM-X1-51 / ME221-C1-43 | 0.5 | Fuel pump relay control (secondary) |
| W64 | OEM-X1-52 / ME221-C1-73 | 0.5 | Starter enable relay control |
| W65 | OEM-X1-58 / ME221-C1-12 | 0.5 | Low speed cooling fan relay |
| W66 | OEM-X1-63 / ME221-C1-74 | 0.5 | A/C compressor clutch relay |
| W67 | OEM-X1-64 / ME221-C1-16 | 0.5 | HO2S heater low control, bank 2 sensor 2 |
| W68 | OEM-X1-65 / ME221-C1-44 | 0.5 | HO2S heater low control, bank 1 sensor 2 |
| W69 | OEM-X2-12 / ME221-C1-69 | 0.5 | HO2S heater low control, bank 1 sensor 1 |
| W70 | OEM-X2-13 / ME221-C1-39 | 0.5 | HO2S heater low control, bank 2 sensor 1 |
| W71 | OEM-X1-48 / ME221-C1-79 | 0.5 | Tachometer output |
| W72 | OEM-X1-37 / ME221-C1-57 | 0.5 | Intake air temperature (IAT) signal |
| W73 | OEM-X1-71 / ME221-C1-6 | 0.5 | VSS high signal (manual trans) |
| W74 | OEM-X1-72 / ME221-C1-7 | 0.5 | VSS low signal (manual trans) |
| W75 | OEM-X1-28 / ME221-C1-21 | 0.5 | High-speed GMLAN serial data bus + (2500) |
| W76 | OEM-X1-27 / ME221-C1-51 | 0.5 | High-speed GMLAN serial data bus - (2501) |
Bill of materials
No parts in this harness.