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Old 08-30-2015, 08:49 PM   #11
John Firestone
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Quote:
Originally Posted by benz-tech View Post
I don't see anywhere on the wiring diagram for the cluster that abs connects to it, other than on the infernal Txd data line. So I dont see how, other than on that wire (in the form of a data message) that DME could get a processed 48t signal.
I found it on the first page I looked at, about 15 years ago, but I got a really good hint from Jim Conforti. I believe this is the signal in question:

I have a microcontroller driving it, so I am sure I have something written about it in my notes.

Quote:
What I don't, and really need to, know is this: The VSS output from the cluster is what on an E36?...
12V, active low, narrow but clean pulses. 4712 pulses per kilometer.

Last edited by John Firestone; 08-30-2015 at 08:51 PM.
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