Knock Sensor Light and Alarm problems...

[don.broadus at exeloncorp.com]

Do you have the address for  GN-T-Type page,  thanks     Don

> -----Original Message-----
> From:	Rex Weatherford [SMTP:rexweatherford at home.com]
> Sent:	Wednesday, February 07, 2001 9:41 AM
> To:	gmecm at diy-efi.org
> Subject:	Knock Sensor Light and Alarm problems...
> 
> I followed the directions on the GN-T-Type page on how to make the Knock
> sensor alarm, but am having some problems with it..  I'm not an EE or
> anything so I'm not sure what I have done wrong...
> 
> I have double checked all of my connections and everything looks ok.  Here
> is what happens..  When I apply power to the unit it beeps and the light
> goes off.  The test switch does nothing.  Grounding the KS wire does
> nothing.
> 
> I was frustrated and wondered if I had placed the 555 timer chip in the
> socket backwards, so I turned it around and tried again..  Nothing..  I
> turned it back around and now when I apply power the alarm goes off
> constantly...
> 
> So did I ruin the 555 timer chip and what else could I have installed
> backwards that would cause my initial problems?  I'm thinking some of
> those
> electrical pieces have to be installed with a correct voltage flow or they
> block signals?  Is that right?  If so then which one might I have wrong?
> Nothing made any smoke or got hot that I can tell..
> 
> Thanks!
> 
> Rex <- Almost clueless, but trying...
> 
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