4WD Light on when shifted in to 2WD? - JeepForum.com
 
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post #1 of 10 Old 09-02-2013, 06:34 PM Thread Starter
Rich G
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1992 YJ Wrangler 
 
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4WD Light on when shifted in to 2WD?

Its a 92, any suggestions?

Thanks

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post #2 of 10 Old 09-02-2013, 06:40 PM
Old4X
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Transfer case vac switch. Either inop or hooked up wrong

418 miles on 19 gallons of gas. Can't beat the BBD !
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post #3 of 10 Old 09-02-2013, 07:04 PM
Mark05059
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1989 YJ Wrangler 
 
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or check valves missing

1998 ZJ 5.2 Auto

1989 Wrangler Black Bone Stock 2.5l 5spd
/l , [____],
|---L--[]lllllll[]-
()_) ()_)==O=)_)
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post #4 of 10 Old 09-02-2013, 07:09 PM Thread Starter
Rich G
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Well it just started, I wheel it pretty hard so maybe I messed up the vacuum lines or something
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post #5 of 10 Old 09-02-2013, 07:10 PM Thread Starter
Rich G
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post #6 of 10 Old 09-02-2013, 08:11 PM
Hillbilly Jeep
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i had this happen to me before ended up the vac lines fell on the down pipe and melted
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post #7 of 10 Old 09-02-2013, 08:36 PM
Anticanman
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Sometimes things stick in the old vacuum system. If you swith back and forth a few times, will it remedy itself? A new cad unit is extremely expensive. Perhaps you should consider doing a TJ switch mod and locking the fork over permanently.

Luck Favours The Prepared
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post #8 of 10 Old 09-03-2013, 07:42 AM
Hillbilly Jeep
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whats the tj switch mod?
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post #9 of 10 Old 09-03-2013, 08:06 AM
Anticanman
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post #10 of 10 Old 09-03-2013, 06:00 PM Thread Starter
Rich G
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Quote:
Originally Posted by Anticanman View Post
Sometimes things stick in the old vacuum system. If you swith back and forth a few times, will it remedy itself? A new cad unit is extremely expensive. Perhaps you should consider doing a TJ switch mod and locking the fork over permanently.
That's exactly wha I'm gonna do, something about getting rid of the vacuum lines sounds like a good idea to me
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