# Ultra Affordable EFI for Honda OBD1

## Community Support

🔴Community support ONLY 🔴 https://www.facebook.com/groups/rusEfi 🔴 [Discord](https://github.com/rusefi/rusefi/wiki/Discord)🔴

## Technical Details

See https://github.com/rusefi/rusefi/wiki/uaEFI

[pinout](https://rusefi.com/docs/pinouts/uaefi/honda-obd1/)

[Schematics rev a](Hardware/Hellen/uaefi-Honda-OBD1-adapter-a-schematic.pdf)

See https://github.com/rusefi/rusefi/wiki/Vault-Of-Honda-OEM#obd-1

## OEM Cases

37820-p2e OBD2 case looks very similar to P28 OBD1 case