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The proposed +12V supply wires (red) to the HFS-6 will work. I believe this location can supply more than 3A of current. YOuare correct, the HFS-6 creates its own fused switched 12V supply internally.
Red wire #1 (from yellow harness):
- Poweres up an internal "power-in" relay, draws about 30mA. This wire should only be connected to a known switched +12V at key position #2.
Beware! The evo uses inline resistor pack to the fuel injector+, do not connect this wire to the fuel injector+ directly.
Red wire #2 (4-pin plug):
- Main +12V supply to the HFS-6, draws ~2-3A of current maximum. This wire can be connected to any +12V supply such as - battery+, Ignition switched etc. As long as it can sustain 3A of continuous current.
Don't forget to wire the "white" wire (signal ground) of the 4-way connector to the chassis or ground.
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richard@aquamist.co.uk
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Last edited by Richard L; Jun 28, 2009 at 02:33 AM.
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