1994 speedometer replacement - Defender Source
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  #1  
Old January 6th, 2014, 01:34 PM
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Stephen Miller
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1994 speedometer replacement

Invested the morning searching the site for 94 spedo replacement. Lots of good info on 97 and conversion to electronic but little on a straight mechanical replacement for a 1994. I replaced all of my gauges with isspro and added a volt and oil pressure. Love them and can see and read them. My speedometer is starting to click and is very hard to see and read and night. I am looking for simple and easy as primary criteria. Any thoughts and input would be greatly appreciated.
Thanks,
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  #2  
Old January 6th, 2014, 01:35 PM
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You could always fit LED bulbs to the illumination.
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  #3  
Old January 6th, 2014, 01:41 PM
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If you want to get it refurbished I recommend Kevin. I'm not sure he does LR, but he handles a lot of the muscle car guys refurbished gauges and at a very good price point.

http://www.classychassisrestoration.com
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  #4  
Old January 6th, 2014, 01:43 PM
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Stephen Miller
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Great idea. I had not thought of that. I tried to upgrade the bulbs a while back but with little impact. That would not solve the clicking but I could read it and I could live with the clicking for sure.
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  #5  
Old January 6th, 2014, 03:25 PM
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Jason England
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Put a VDO in it and throw the mechanicals in the trash.
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Soapy water / KY jelly, etc. is is basically a must. Yes, good idea to remove trim panels - only takes 5 more minutes to do so.
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  #6  
Old January 6th, 2014, 03:27 PM
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Charles Galpin
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The clicking is likely the cable. You could try lubricate it but it's likely on its way out too. Maybe Jason is on to something
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  #7  
Old January 6th, 2014, 03:32 PM
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The clicking is the impending sound of wibbly wobbly speedo syndrome. A VDO, YBE and a resistor will transform your experience!
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Soapy water / KY jelly, etc. is is basically a must. Yes, good idea to remove trim panels - only takes 5 more minutes to do so.
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  #8  
Old January 6th, 2014, 03:42 PM
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Stephen Miller
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Jason,
Thank you for the great information. I know what the VDO is and have found it on egauges. You got me on the YBE and a resistor. Any model numbers would be of great help. My mechanical skill sets work more in line with my series III rather than the new stuff on my 90.
Thanks
Steve
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  #9  
Old January 6th, 2014, 03:45 PM
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YBE100540 It is the stock speed transducer for series 1 Discoveries. It bolts onto the transfer case where the cable goes.
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  #10  
Old January 6th, 2014, 03:50 PM
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Charles:
Thank you. I lubed the cable a couple of years ago (gun oil) and it ticks a bit less in the heat of summer but gets a bit cranky in the winter. I guess it is a bit like the owner.
Take care,
Steve
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  #11  
Old January 6th, 2014, 03:52 PM
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If this is a NAS truck, you should be able to take the speedo signal from the existing VSS that is used for the EFI ECU. At least, I'm pretty sure it should work...
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  #12  
Old January 6th, 2014, 04:39 PM
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John:
It is a NAS vehicle for sure. Thanks
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  #13  
Old January 6th, 2014, 04:57 PM
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Quote:
Originally Posted by bomilcar View Post
John:
It is a NAS vehicle for sure. Thanks
you can take it off the existing VSS without problem. I preferred to have a clean install and eliminate all the funky cables!
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Soapy water / KY jelly, etc. is is basically a must. Yes, good idea to remove trim panels - only takes 5 more minutes to do so.
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  #14  
Old January 7th, 2014, 09:55 AM
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Stephen Miller
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Jason:
A clean install sounds great. Thanks. Do I need to order any other supplemental parts or just the speedometer?
Take care,
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  #15  
Old January 7th, 2014, 10:13 AM
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Jason England
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you need a YBE100540 and a 120 Ohm resistor
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Quote:
Soapy water / KY jelly, etc. is is basically a must. Yes, good idea to remove trim panels - only takes 5 more minutes to do so.
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  #16  
Old January 7th, 2014, 10:33 AM
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Stephen Miller
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Gentlemen:
Thanks. More business for RN. I sure appreciate all your help and patience.
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2011 LR4

"anything that can go wrong has"
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  #17  
Old January 8th, 2014, 10:42 AM
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Stephen Miller
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Interesting update. I had no problems with the LR components of the conversion. All will be here the end of the week. The speedometer itself is not available from e-gauges for a week or so. This they tell me after I placed the order. Glad I am in no hurry.

Thanks again for all your help Gentlemen
Take care,
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94 D-90
2011 LR4

"anything that can go wrong has"
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  #18  
Old January 20th, 2014, 11:32 AM
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Stephen Miller
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The VDO arrived on Saturday and the only part left is the 120 Ohm resistor. Heading into RS this morning for it and hope to get on with the project later this afternoon. Anyone have any further advice for the conversion?
Thanks,
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94 D-90
2011 LR4

"anything that can go wrong has"
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  #19  
Old February 4th, 2014, 11:41 AM
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Stephen Miller
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Pulse Rate?

The VDO is installed and wired in. Any one have a good starting point for the pulse rate to enter when manually calibrating the unit?
Thanks
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  #20  
Old February 4th, 2014, 11:51 AM
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On 235/85/16 and 1.2 T. case, mine was 4520 pulses per km, which would be 7250 per mile.

The easiest way to get the initial setup is to do the 1 mile calibration with a GPS. Reset the GPS odometer start the calibration (while stopped). Drive exactly 1 mile (pull over when close and drive slowly) and stop the calibration. It will be very close this way. You can then check against a long drive and manual adjust the pulse rate if it is off.

Note that this sets the odometer. On mine, I find the speedo reads a couple of mph high. It can be adjusted separately if you want.
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