crank sensor location on 1990 Audi 90 Quattro

I have a 1988 audi 90 quattro and I'm not sure of the location of the crank sensor. I think it is mounted on the tranny where it mounts up to the engine. The problem is that there are two sensors located there, one is a little bit higher up to the left. Wondering if it is the speed sensor? Anyway I'm not sure how to install the crank sensor. Any help would be greatly appreciated.

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1 answer
Some cars have more than 1 crank sensor, so I would go to www.alldatadiy.com and pay for a 1 car subscription and look it up in the manual and then do a search of the location of the crank sensor(s)as well by using the upper RH search box in alldata.