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Author Topic: 4x4 light  (Read 1312 times)

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jcsanders79

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4x4 light
« on: August 15, 2006, 11:43:50 AM »
The 4x4 light quit coming on in my 97 TJ.  It worked fine for a while after I lifted it but recently quit coming on.  Does anyone have any suggestions on how to fix it.
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Offline jagular7

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4x4 light
« Reply #1 on: August 15, 2006, 11:46:49 AM »
It's an indicator light. Not a big deal to have or not to have. If you want it working, check the wiring on the t-case. MTL you've got a little dirty connection.
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Jagular7
97 SE - Rubbered and locked for fun
94 SE - stock, collecting parts for 37s

GreenBayjeeper

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4x4 light
« Reply #2 on: August 16, 2006, 09:11:33 PM »
A friend who used to work for a local Jeep dealer (he was a mechanic) told me that when mine stopped working (years ago) that it was because I drove a crappy friggin' Jeep.
He hated working on valley girl Jeeps, and is somewhat jaded.  Anyway, whey I got him to give me a real answer he said it could be a vacuum sending thingie on the t-case.
As was mentioned above, it's a indicator light.  Big deal.  So mine's still out too.
I don't know if any of that helps, but there it is. :)
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jeepers

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4x4 light
« Reply #3 on: August 16, 2006, 11:56:33 PM »
Happened to me one time, turned out to be a leak in the vacume line about 12" up from the sending unit on the axle. there was a 2" peice of rubber vacume line, replaced the 2" peice of vacume line and "Bingo",  lite worked once more.   :)
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Offline jagular7

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4x4 light
« Reply #4 on: August 17, 2006, 12:00:28 PM »
The vacuum thing is for the early years Wranglers when they had the quick-disconnect in the front axle. The vacuum switch on the t-case activated the collar on the axle.

For a 97 TJ, there is a simple electrical switch (IIRC) on the t-case. It's in the harness. I'll see if I can remember to shoot a pic of it today.
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Jagular7
97 SE - Rubbered and locked for fun
94 SE - stock, collecting parts for 37s

Offline Jeffy

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4x4 light
« Reply #5 on: August 17, 2006, 02:06:49 PM »
If I had to take a guess, I'd say they probably replaced the vacuum switch that used to control the front disconnect on YJ's with a vacuum switch that sends a signal to the dash that the transfer case is in 4wd.  It would mean no extra holes required.
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Offline chardrc

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4x4 light
« Reply #6 on: August 17, 2006, 08:22:54 PM »
lol my indicator light is wired backwords so it is on when im in 2wheel drive.. it took me like 2 weeks to figuer it out... and it also starts flashing when it gets wet.. just one of the many electrical things i need to fix in my jeep....its hucked up backwords cuz we got red of the vacume axle disconect on it for a cable system.. yj
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1990 YJ 4cly, ax5, 2.5 inch BDS lift, 31 MTr\'s,  Powertrax-lockers all around, track-bars removed, boomerang shackles, warn m8000 winch, electric fan. [sold but not forgotten]

2007 jk Rubicon 2dr
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