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-AOEMbeing replaced
View side not yet checked against the FSM. Verify before trusting the mirror.
| Point | Signal | Family | Evidence | Destination |
|---|---|---|---|---|
| Knock | single_source· Vendor | not connected | ||
| Power in | single_source· Vendor | not connected | ||
| Power in | single_source· Vendor | not connected | ||
| Ground | single_source· Vendor | SP-GND-1 | ||
| Ground | single_source· Vendor | SP-GND-1 | ||
| Crank / cam | single_source· Vendor | SPEEDUINO-A-24Cam input / VR2+ | ||
| Crank / cam | single_source· Vendor | SPEEDUINO-A-25Crank input / VR1+ | ||
| Ground | single_source· Vendor | SP-GND-1 | ||
| Ground | single_source· Vendor | SP-GND-1 | ||
| Low-side out | single_source· Vendor | not connected | ||
| Ignition | single_source· Vendor | SPEEDUINO-A-8Ignition 4 | ||
| Ignition | single_source· Vendor | SPEEDUINO-A-33Ignition 3 | ||
| Ignition | single_source· Vendor | SPEEDUINO-A-34Ignition 2 | ||
| Ignition | single_source· Vendor | SPEEDUINO-A-7Ignition 1 | ||
| Digital in | single_source· Vendor | SPEEDUINO-A-14Proto area 1 (flex fuel) | ||
| 5V / 8V ref | corroborated· Vendor | SP-5V1-1 | ||
| 5V / 8V ref | single_source· Vendor | SP-5V1-1 | ||
| Sensor ground | corroborated· Vendor | SP-0V-1 | ||
| Sensor ground | single_source· Vendor | SP-0V-1 | ||
| Analog in | corroborated· Vendor | SPEEDUINO-A-22TPS input | ||
| Analog in | corroborated· Community | not connected | ||
| No data | single_source· Vendor | not connected | ||
| Analog in | single_source· Vendor | SPEEDUINO-A-11MAP sensor (0-5V) | ||
| No data | single_source· Vendor | not connected |
Mates
No mated connectors (e.g. OEM plug ↔ adapter header).
mates with