RACE CORE

Installation

Wiring diagrams

Schematic views in the same order as a hardware manual: power first, then injectors and coils, then sensors and CAN.

Power, grounds & main relayPort injectorsSmart coilsMAP sensorThrottle positionCLT & IATCrank VRCrank HallElectronic throttleCAN busWideband (analog + CAN)Fuel pump & fan

Wideband (analog + CAN)

Analog 0–5 V AFR or CAN wideband controller.

WB controllerHeater 12 V fusedCAN or analog 0–5 VSensor GNDRace CoreB17/B16 CAN (preferred)C15 AV 5 analogMain relay heater 12 V
Prefer CAN lambda. Analog out is a fallback on AV 5. Heater is 12 V, never 5 V.