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Old 04-15-2003, 02:27 PM   #1
subispeed
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Question WRX conversion done but speedometer not working!

Hey there everybody, just joined this sweet site. I recently had a WRX engine swapped into my 98 Impreza L (ghetto sleeper), and we only have one problem left. The speedometer and odometer are not working on the instrument cluster. We used the original 98 transmission and switched the speed sensor for the WRX one, but no luck. The diagnostic computer reads the speed while driving, but nothing happens on the cluster. We are in the process of trying to find another 98 cluster to test, but need some help in solving this mystery.

Thanks,
Brett
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Old 04-15-2003, 04:28 PM   #2
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Do the other gauges (gas, water temp) still work?
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Old 04-15-2003, 04:35 PM   #3
subispeed
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Yes, all of the other gauges work.
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Old 04-17-2003, 11:31 AM   #4
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Ever get it figured out?
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Old 04-17-2003, 12:00 PM   #5
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I would take out your speed sensor and see if it's damaged. It can be easy to damage those while reinstalling them. Also check to see if the physical pickup area are the same dimensions on the WRX and your L.
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Old 04-17-2003, 12:28 PM   #6
stimpy
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Couple things you can try. See if you can source a WRX gauge cluster and see if it reports the speed properly. Check part numbers and sensor parameters to see if those two pieces are even compatible. Does the 98 use a mechanical or electronical speed sensor/gauge cluster? Maybe missed a ground? Does it split the speen sensor signal off right at the tranny or did it send the speed signal from the gauge cluster? If it went from the gauge cluster you could try the old speed sensor and tap off the gauge cluster.

-Jon
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Old 04-18-2003, 10:15 AM   #7
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Does your 98L have the same plug to fit the Wrx speed sensor? Is it possible that you damage the speed sensor when you removed it, or when you put it in the other geabox the flat tab spline did not line up with the speedo gear or you did not go down far enough to engage.
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Old 04-18-2003, 11:03 AM   #8
Aspen
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Quote:
flat tab spline did not line up with the speedo gear or you did not go down far enough to engage.
This is also very common. I had it happen to me a couple times.
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Old 04-21-2003, 06:32 PM   #9
subispeed
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The sensor is in tight and the OBD II reads the speed while driving, so the tab is not the problem.
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