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Unread 10-19-2009, 10:04 PM   #1
nnojeeps
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will cable driven slip yoke work with electronic speedometer?

I found an '87 YJ at the junk yard with a SYE. I want to place it on a '92 YJ that I have. Will this work or will the cable speedometer be a problem? I have an electrical speedometer.

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Unread 10-19-2009, 10:08 PM   #2
Gobi_Gred
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The SYE should'nt affect the speedo at all. Did you do a 4.0 swap? I'm not sure I have ever heard of a digital speedo in an 87. Is it aftermarket?
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Unread 10-19-2009, 10:13 PM   #3
nnojeeps
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The '87 YJ is a cable driven speedometer. My '92 YJ has an electric pickup for the speedometer. Will the electrical work with this application?
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Unread 10-19-2009, 10:35 PM   #4
Gobi_Gred
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Duh! helps when I actually READ what you wrote.The SYE should not affect your Speedo pickup. I am assuming they are both 242s If it your pickup bolts up the new TC it should work.
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Unread 10-19-2009, 10:49 PM   #5
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Quote:
Originally Posted by NebraskaDizasta View Post
Duh! helps when I actually READ what you wrote.The SYE should not affect your Speedo pickup. I am assuming they are both 242s If it your pickup bolts up the new TC it should work.
I think you mean 231s, the 242 is a part time/full time case used in XJs, ZJs & WJs.

OP, look closely at the '87 T-case. Most '87s came with NP 207 cases.

Here is some info from the FAQs:

Transfer Cases

The transfer cases used are all chain driven with aluminum housings. NP stands for "New Process" which is the brand, if you will.

NP207 - "Command-Trac" part-time only - 2.61:1 ratio low range - only in 87
NP231 - "Command-Trac" part-time only - 2.72:1 ratio low range - shift pattern 2H - 4H - N - 4L - used '88-'95

Link to FAQ
http://www.jeepforum.com/forum/f12/y...-specs-563403/

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