Re: '92 SW8 Intermittent Heat
From: John Crowe \(AT&T\) (crowejw@att.net)
Date: Mon 25 Feb 2002 - 22:52:18 EST
Are you refering to the output to the electrovalve burning out and getting
full heat...???.... I have found that sometimes the problem goes away when
you put a new component in and then it comes back simply because the
connector is a little flaky and simply playing with it makes it better
again.... Could it be the connections to the temp sensor or the temp slide
control....????.... These are both variable resistance devices and if the
connections are not really tight the ECU will not know what to do.....
John Crowe
> I think there's something else going on. On mine, with precisely the same
> problem, you get full heat the instant you unplug the electrovalve. I
also
> restored correct operation by replacing the ECU, but that repair only
lasted
> a few weeks. Something is causing the ECUs to burn out, it seems. I just
> don't yet know what.
>
> Marty
> '91 505 SW8
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