autocheck woes on 90 200

[cobram at juno.com]

"Mike Posner" <posne at cts.com> writes:
> Constant warning light for coolant level/temperature. Temp and 
> coolant are fine.
> Prior post by Cobram indicates his problem was not fixed via 
> replacement of reservoir,
> 
> wiring check, multifunction switch. He finally replaced the board 
> from a na car, fixwd the
> problem but had to sacrifice accurate boost measurement.  Has anyone 
> fixed this problem at the component level, i.e. resoldering , new caps
or
> resistors?  This is an expensive fix at the dealer, $700-$1,000 as I 

I bought a complete Turbo Cluster from a fellow lister for $125,
coincidence being that the mileage on the new cluster is within 100 miles
of my current odo reading.  Haven't had a chance to install it yet, as
I'm south of the equator at the moment enjoying the 80 degree weather and
the 8mm bikinis.  As soon as I get back to the snow and cold I'll just
swap out the cluster and get back the boost and computer readings.  The
local boneyards I checked were asking $200 for the complete cluster. 
Still alot cheaper than the $700 quoted by the dealer for a rebuilt
board.
I have already given the defective autocheck board to an electronics guru
I know down here to see if he can figure out what the defective component
is, but he seems to think that it's a "logic short" that can only be
checked with the manufactures programmed specs....which are unobtanium.

BCNU,
Cobram at Juno.Com
http://www.geocities.com/MotorCity/Flats/1469/

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