Re: How to control the HFS-4 from a Link G4+ ECU
You just need to send the PWM signal to the green wire of the grey harness. No need to use the green harness. Set the THRES to minimum (fully CCW).
Ideal PWM frequency: ~30Hz.
The red wire goes to a switched 12V source, active at the pre-crank or run key position.
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Richard L
aquamist technical support
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