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Old June 11th, 2009, 01:22 PM
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Dane Block
1994 D-90 #1440
Join Date: May 2009
Location: Huntsville, AL USA
Posts: 11
Speedometer / Odometer Not working

Hey I just replaced my alternator (tach works now...) and my fan clutch on my 94 D-90, now my Speedometer and my Odometer are not working. I searched for info on this but could not find anything that seemed to help me out. How do I know if it is a bad speedo, a bad speedo cable or something else that may have happend when I fixed the ALT and fan clutch? The Speedometer just stays at zero and the odometer drum does not roll.

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Old June 12th, 2009, 04:15 PM
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Gren Thomas
1985 90 300tdi auto
Join Date: Feb 2005
Location: bridgend, wales , UK
Posts: 384
Hi Dane if you have a mech speedo, the drive cable has most likely snapped or is pinched.
remove the end of the cable at the transfer box and spin the inner cable with your fingers, you should see the speedo needle move.
The inner of the cable should be free to rotate, a gentle tug on the end will show if it has snapped.



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Old June 12th, 2009, 04:19 PM
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Russell Phillips
1994 Defender 90
Join Date: Feb 2004
Location: South Jordan, Utah
Posts: 81
I had the speedo cable come off the back of my speedometer. They can fall off very easy. I would take the instrument panel off and make sure the speedo cable is on the speedometer good.

'94 AA Yellow
# 891
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Old June 12th, 2009, 04:37 PM
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barry f
94 ST #395
Join Date: Apr 2007
Location: los angeles
Posts: 10,482
why would a speedo be jumpy at low speed?
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Old June 13th, 2009, 08:08 AM
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Charles Galpin
'94 D90 ST, '63 SeriesIIA
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Join Date: Jan 2004
Location: South Riding, VA
Posts: 11,540
Resistance in the cable tube. Lube it up and it should go away (or replace the cable). My 110 needle jumped a good 10-20 mph either way until I replaced the cable (it finally broke). Not it just has a slight vibe.
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