auxilary fan acting up

[Tony Hoffman]

Phil hit it on the head. If you want to doublecheck and make sure
everything else is working correctly in the system, do the following: Turn
the key to run (engine does not have to be running). Pull the fan relay.
Jump across teh two terminals that form a capital "T". If the fan runs, the
rest of the circuit is good. If it goes into a weak/lporadic running mode,
you have issues elsewhere.

HTH,
Tony

On Wed, Aug 15, 2012 at 3:25 PM, robert weinberg <centaurus3200 at yahoo.com>wrote:

>  thanks phil - if if it's a sensor/switch, it will be this thing . and
> only this thing. i'll replace the relay too. i'd rather not be cheap with
> $5-$10 parts only to have the thing overheat!
>
> https://www.autohausaz.com/search/product.aspx?sid=bef0brnfxwwugcfd1
> eli3ovv&makeid=800002 at Audi&modelid=1007288 at 200%20QUATTRO%20T
> URBO&year=1991&cid=16 at Cooling%20System&gid=4768 at Radiator
> /Auxiliary%20Fan%20Switch<URBO&year=1991&cid=16 at Cooling%20System&gid=4768 at Radiator/Auxiliary%20Fan%20Switch>
>