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Old 02-27-2011, 08:10 AM
jeffstri jeffstri is offline
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Location: CT
Join Date: Sep 2010
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Originally Posted by bluebee View Post
Notice that there do NOT seem to be metal contacts in the holes apparently designated below for the wheel speed sensors ... so we'll need someone with the older E39 to doublecheck our diagram below.
It is hard to tell from the picture but it looks to me like the holes (10-15, 35, 38) for the wheel sensor contacts are populated. Compare them with 8, 16, 17, and 20 in the top row and 41, 45, and 47 in the middle row which are not used.

Originally Posted by bluebee View Post
Also note that I have no idea which is the forward-biased direction and which is the reverse.
Again, the WDS reveals all. In all the wheel speed sensors, new and old, pin 1 is the speed sensor output and pin 2 is the voltage supply for the sensor:

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