MAT and 747

[rr]

The '747 hardware will support the MAT/IAT, the software does not. As
for the fans, no again.

The TBI engines use both manifold heat and a thermac switch in
the air cleaner. This helps to control the intake air temperature.

BobR.

Mathieu Blais wrote:

> ok, I was looking at the ecm electrical wiring diagram and it does seem that
> it doesn't use a MAT sensor, I'm suprised because I was thinking that system
> that used a MAP sensor all had a MAT sensor, but then I guess they're always
> exceptions.  Am I correct, or does the 747 uses a MAT sensor?
>
> If I want to use a electric fan with the 747, it can't be controled by the
> ecm or can it be? If so, how could I hook it up?
>
>     Math B
>     fireb76 at videotron.ca
>

----------------------------------------------------------------------------
To unsubscribe from gmecm, send "unsubscribe gmecm" (without the quotes)
in the body of a message (not the subject) to majordomo at lists.diy-efi.org