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.
Connectors
OEM-A
face not drawn
| Point | Signal | Family | Evidence | Destination |
|---|---|---|---|---|
| Ground | single_source· Community | SP-GND-1 | ||
| Injector | single_source· Community | SPEEDUINO-A-2Injector 2 | ||
| Injector | single_source· Community | SPEEDUINO-A-2Injector 2 | ||
| Injector | single_source· Community | SPEEDUINO-A-5Injector 4 | ||
| Low-side out | single_source· Community | SPEEDUINO-A-38VVT | ||
| Low-side out | single_source· Community | SPEEDUINO-A-15Proto area 2 (fan) | ||
| Ground | single_source· Community | SP-GND-1 | ||
| Ignition | single_source· Community | SPEEDUINO-A-7Ignition 1 | ||
| Low-side out | single_source· Community | SPEEDUINO-A-36Idle 2 (3-wire idle) | ||
| Ground | single_source· Community | SP-GND-1 | ||
| Temp in | single_source· Community | SPEEDUINO-A-19Coolant temp (CLT) | ||
| Temp in | single_source· Community | SPEEDUINO-A-20Inlet air temp (IAT) | ||
| Sensor ground | single_source· Community | SP-0V-1 | ||
| Analog in | single_source· Community | not connected | ||
| O2 narrowband | single_source· Community | SPEEDUINO-A-21O2 sensor | ||
| Serial | single_source· Community | not connected | ||
| Tacho out | single_source· Community | SPEEDUINO-A-17Proto area 4 (tachometer) | ||
| Power in | single_source· Community | not connected | ||
| Injector | single_source· Community | SPEEDUINO-A-1Injector 1 | ||
| Injector | single_source· Community | SPEEDUINO-A-1Injector 1 | ||
| Injector | single_source· Community | SPEEDUINO-A-3Injector 3 | ||
| Low-side out | single_source· Community | SPEEDUINO-A-37PWM idle | ||
| Low-side out | single_source· Community | SPEEDUINO-A-35Boost | ||
| Sensor ground | single_source· Community | SP-0V-1 | ||
| Knock | single_source· Community | not connected | ||
| Temp in | single_source· Community | not connected | ||
| Digital in | single_source· Community | SPEEDUINO-A-18Proto area 5 (clutch) | ||
| Digital in | single_source· Community | not connected | ||
| Digital in | single_source· Community | not connected | ||
| Analog in | single_source· Community | SPEEDUINO-A-22TPS input | ||
| 5V / 8V ref | single_source· Community | SPEEDUINO-A-135V | ||
| Serial | single_source· Community | not connected | ||
| Crank / cam | single_source· Community | SPEEDUINO-A-24Cam input / VR2+ | ||
| Low-side out | single_source· Community | SPEEDUINO-A-16Proto area 3 (fuel pump) | ||
| Tacho out | single_source· Community | not connected | ||
| Ignition | single_source· Community | SPEEDUINO-A-33Ignition 3 | ||
| Low-side out | single_source· Community | not connected | ||
| Power in | single_source· Community | not connected | ||
| Ground | single_source· Community | SP-GND-1 | ||
| Ground | single_source· Community | SP-GND-1 | ||
| Sensor out | single_source· Community | not connected | ||
| Ignition | single_source· Community | SPEEDUINO-A-34Ignition 2 | ||
| Digital in | single_source· Community | SPEEDUINO-A-14Proto area 1 (flex fuel) | ||
| Sensor ground | single_source· Community | SP-0V-1 | ||
| Crank / cam | single_source· Community | SPEEDUINO-A-25Crank input / VR1+ |
Mates
No mated connectors (e.g. OEM plug ↔ adapter header).
mates with