fans on/off setting

[Brent]

The 8746 ECM doesn't control the cooling fan.   Your cooling fan is
controlled by a temp switch in the passenger side cylinder head between the
last two plugs.

A replacement option is the fan switch from a 87 Buick GN which will come on
around 205F instead of the stock 226F.

Regards,
Brent
----- Original Message -----

> Hello GMECM users.
>
> I'm rather new to the EFI and chip tuning and am starting out with
> modifying flags and constants.
>
> I own a 91 Fbody with 305 TBI (1228746 ecm, $61, and 2732 Eprom) and
> have all the tools to burn and mod bins.  I have a stock 2732 that I've
> been looking over the data.
>
> I've heard that you can change the temp of when the cooling fans will
> come on and off but I'm unable to find out how.  I'd like to change to a
> lower setting.
>
> Any help or direction to ftp, url is appreciated.
>
> thanks
>
> Barry Forrest
> ITM Engine Components
> --------------------------------------------------------------------------
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