That black circle is the pulse generator of the sensor. the top part is missing. What car is this going into? Mk2's usually have a cable. depends on the cluster you have too. So we need more info.
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My o2a has no speed sensor!! 94 Passat vr6 sourced swap car. Why??
10-06-2012 10:41 PM
#1
My speedometer doesn't work and I discovered that I have no speed sensor today. There is just a faux looking plug on the trans. I can't figure this out anywhere. Has anyone ever heard of this? My wire harness appears to lack the 3 pin plug for it too. I got the engine and everything from a 94 pAssat glx obd1. Thanks
Right in the center next to the shift cables. The black circle.
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10-06-2012 11:12 PM
#2
For sale page. http://forums.vwvortex.com/showthrea...2#post78605422
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10-06-2012 11:16 PM
#3
Mk1? Passat cluster?
Which harness?For sale page. http://forums.vwvortex.com/showthrea...2#post78605422
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10-06-2012 11:22 PM
#4
It's an mk1 and yes it's an passat harness with a gti cluster
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10-08-2012 05:48 AM
#5
Which GTi cluster? Mk1 Mk2 Mk3?
Mechanical or electronic?For sale page. http://forums.vwvortex.com/showthrea...2#post78605422
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10-11-2012 01:33 AM
#7
So i got a new speed sensor. It works with the old Passat GLX cluster but it doesnt appear to work with the MK3 GTI VR cluster. I have not driven the car just rev it in gear on jack stands. Any reasons why the GTI one wouldnt work vs the passat B3 one?
edit and yea i found the plug. it was buried in a bunch of crap in the bay.Last edited by iceguy; 10-11-2012 at 01:35 AM.
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10-11-2012 07:47 PM
#8
The cluster is probably broken, Mk3 clusters are known to kick out like that.
Try putting it into trip mode and see if the tripmeter advances by .1 miles. That's not a guarantee that the cluster is broekn, just another test.
Or you can go into MFA test mode and see if the speed sensor is sending any info to the cluster. Press and hold MFA while cycling the key on-off-on. Then spin the wheels (or start the car and drive) and set the MFA to the average speed reading. it should add +1 for every 1/4 wheel spin.A2Resource
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10-15-2012 09:22 PM
#9
drive the car yesterday and it worked. not sure why i wasnt seeing anything on the jack stands. maybe i wasnt going fast enough
anyways im all set and im pretty sure the previous owner removed the speed sensor to keep the car from putting miles on it. Frekin VR had 82K on the clock and the piston bore had no cross hatches, burned oil and had chips in the edges of the pistons. Oil smelled like gas too. Now I know why. Now 2200 dollars put into a rebuild of the motor i have a 2.9L but i have a trans that is about to go too. This damn motor prolly had 200K on it 
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