Re: wiring on heatsink fan

Yellow is the tach output, red is +12.

On 8/22/06, Callcbm <callcbm@...> wrote:
> I have a heat sink with a fan built in the color wires are black, red,
> yellow. I assume that red plus black negative but what is yellow for. I want
> to hook up to a computer power supply to power these. There 12 dc fans not
> much current needed.
> Thanks Randy
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