Safe Fusing Of The ECU

Constructing a custom loom to match application perfectly.

Injector output power circuit in this application will be fused at 5 amps. Fuse best placed to protect FET's rated at ~7amps continuous.

I have calculated the 'worst case scenario' loading for the injector outputs should they all be 'ON' (unlikely) using the coil resistance of the solenoids and injectors.

Ignition 10amps (if not less?) appropriate for 4x COP's? *The Toyota Yaris coils are often used to upgrade a wasted spark coil pack on the Mitsubishi Evo's and they use the original coil wiring which is fused at 10amps.

WBO2 heater circuit suggested fuse rating of 5amps.

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