: Often used for Check Engine Light or Ignition signals.
If you are performing a conversion (like a Kancil L5/L6 to L9 swap), the meter and indicator signals are often color-coded as follows: Signal Function L9 Wire Color Related System Check Engine Black/Yellow EFI Diagnostics RPM (Tacho) Red/Yellow Engine Speed Speed Signal Light Green/Red Speedometer to ECU Water Temp Temperature Gauge Oil Pressure Low Pressure Warning Battery/Alt Charging Indicator Useful Wiring Resources wiring diagram daihatsu l9 ecu pinout
EF Engine ECU Pinouts on the community forum covers specific variations like the L200 EF-EL which share similar architecture. : Often used for Check Engine Light or Ignition signals