HELP! Anybody who knows how gauges work!

[Konstantin Bogach]

I used very little of contact enhancer taking off excess of it. I used it
only on pin connections. I did not put IC back into car because I found
those strange things before I completed assemblying IC.  I think that
something happend to mechanical part in coolant temp gauge(needle does not
move if I push it) and speedo's needle looks like is overturn.  There is
very little chance that my kids touched it when I left my desk unattended
for couple of minutes. I thought it is little. But now I am more and more
unsure.
How is needle fixed to the pin?  Should it come off when I pull it?

Thank you.

Konstantin Bogach.

Kevin Phillips wrote:

> >I disassembled instrument cluster(IC), cleaned all contacts, used
> >deoxIT and ProGold
>
> Be carefull with the contact enhancer in the IC. There are some very
> small signals in it that could be persuaded to take the wrong route
> with too liberal an application. I would clean most of it off, make
> sure there is none between pins, sockets and tracks. The only bad
> connections I had in mine were the 4 pins to the speedo itself.
>
> When looking over a circuit board for bad connections, you need to
> consentrate on large/heavy/hot components and all conections as they
> are subject to strain and vibration.
> Also, now you have handled the IC so much I would double check all the
> lamps. You might take an over-dose of deoxit if you find them not
> running after all this !!!!!!, that is if the cat did not beat you to
> it.
> Kev the Brit
>
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