Speedo Bounce FIx

[Phil Rose]

At 2:25 PM -0500 11/13/06, Phil Rose wrote:
>At 9:25 AM -0500 11/13/06, W.G. Giles wrote:
>>Hi
>>My speedo bounces sometimes what is the fix.  Is it in the cluster or
>>the trans?
>
>Most commonly it's the IC. I fixed mine about a year ago --after
>doing two things. First-- was to run an extra ground wire as shown in
>the following link.
>http://www.lanikamal.com/audi/dashboard.html?
>
>
>It happens that a crack (or cold solder joint) can also occur at the
>base of the little (green plastic) 2-pin connector, and this can be
>the  cause of  the bouncing speedo needle. A bad solder joint at the
>base of this 2-pin connector makes the connector unable to
>adequately ground its mating pins (these pins carry ground to the
>speedo circuit board below). Using an 8x magnifier, I was able to see
>a faint crack right at the soldered metal base of the 2-pin
>connector. I heated this spot carefully with my low-wattage soldering
>iron and my bouncing speedo was fixed. At least for the time being
>(one year so far).

I've copied one of the photos from the first URL and added an arrow 
to show exactly where I found (and repaired) a cold-solder joint that 
was the cause of my speedo bounce.
http://phil-rose.com/miscellaneous/2pin_connector.jpg

Phil
-- 

Phil Rose				Rochester, NY USA
'91 200q	(156K, Lago blue)
		mailto:pjrose at frontiernet.net