Suzuki K6a Ecu Wiring Diagram Pdf !!top!! -

| Pin | Wire Color | Function | Notes | | --- | --- | --- | --- | | A-1 | B (Black) | ECU Ground | Connect directly to engine block | | A-2 | B/W (Black/White) | Main Relay Control | Switched ground to MFI relay | | A-10 | B/R (Black/Red) | Battery Backup (Constant 12V) | Keeps fuel trims in memory | | A-11 | Y (Yellow) | Ignition Switch 12V | Powers ECU on crank/run | | A-16 | B (Black) | Sensor Ground (Return) | Do not connect to chassis ground |

: When testing circuits with a probe, always insert it from the wire harness side (backside) to prevent widening the female terminals. Suzuki K6a Ecu Wiring Diagram Pdf

: Wires coming from sensors (TPS, IAT, ECT) that tell the ECU how the engine is performing. | Pin | Wire Color | Function |