Go to a junk yard and usually if it is small enough they won't charge you if you can get it out your self. Or it might be a speed sensor on your transmission. But if you know it's ur speedometer then...
I have been quoted $725 to replace the alternator on my 2000 9-5 by a local independent Saab mechanic. This seems rather exorbitant to me - the part appears to cost $200 - $300. Unfortunately I don't...