Re: '165 switching both fans from the ECM?

[Shannen Durphey <shannen@grolen.com>]

FWIW, the fan switch from a 1983 Cavalier can be used to replace the
current aux. fan switch, and it closes at 212 degrees F.
Shannen

Kevin Crain wrote:
> 
> Hiya folks-
> 
> I'm running a '165 ECM with a dual cooling fan setup, one is switched from
> the ECM and the "aux" fan is switched from a thermostatic switch in the
> passenger side cyl head.  I'd like to run both fans from the ECM so I'd
> have better control, playing with different thermo switches is kinda low-tech.
> 
> It seems the easy path is to switch both pri and aux fan relays from the
> same circuit...this would put both fans under ECM control and whatever
> logic I give via the .bin.  Any reason not to do this?  Would switching two
> relays put too much load on the ECM fan driver?  Is there a better way
> (aside from a toggle switch in the cockpit)?
> 
> Thanks,
> -Kevin Crain
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