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Old 03-29-2010, 02:35 PM   #1
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Default part time light stays on!

I have a 1989 jeep cherokee that I put in 4 wheel drive over the weekend and now the indicator light on the dash is staying lit after it is put into 2 wheel drive. Any ideas of why? my jeep has an automatic tranny, the transfer case is a 2 hi, 4hi, neutral, and then 4 lo. The front axle has the vaccum disco on it. When you drive it you can tell that it is in two wheel drive.
Any help on diagnosis would be great. Thanks everyone for the help!
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1989 Jeep Cherokee Laredo 4x4 with 4.0 and automatic w/ open cooling system retrofit, 4.5 rough country lift, 33.12.50r15 Pro Comp Mud Terrains, custom front bumper, smittybuilt xrc 8000 winch, homemade front disconnects, custom built safari roof rack with offroad lights and highlift jack, custom rear bumper w/ tire swing!!!

Currently building half doors!

I flat tow the jeep behind my 2008 Ford F450 and 39 foot 5th wheel.
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Old 03-29-2010, 03:35 PM   #2
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I have the SAME problem on my 89 Xj!
Sometimes it does it and sometimes it dosent!!!
But i can usually tell if my xj is in 2 or 4 wd

Last edited by Char92dj8; 03-29-2010 at 03:41 PM.
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Old 03-29-2010, 04:16 PM   #3
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i have the reverse problem, my light never comes on when i put it into fourwheel. doesnt bother me much, i can tell when its in and when its not.
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Old 03-30-2010, 09:44 AM   #4
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so nothing to worry about? can I just pull the bulb then so I dont have a bright orange light shinning at me?
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Kerrville Texas.

1989 Jeep Cherokee Laredo 4x4 with 4.0 and automatic w/ open cooling system retrofit, 4.5 rough country lift, 33.12.50r15 Pro Comp Mud Terrains, custom front bumper, smittybuilt xrc 8000 winch, homemade front disconnects, custom built safari roof rack with offroad lights and highlift jack, custom rear bumper w/ tire swing!!!

Currently building half doors!

I flat tow the jeep behind my 2008 Ford F450 and 39 foot 5th wheel.
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Old 03-30-2010, 09:55 AM   #5
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I have the same problem with my 90 XJ. Although I think mine might actually be in part time. After awhile it will disengage. My mechanic said the vaccum hose might be corroded and it taking time to build up pressure. Anyone have a water problem in the back of their XJ?
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Old 03-30-2010, 10:51 AM   #6
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by water problem do you mean rain water leaking into the rear of the cab?
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Kerrville Texas.

1989 Jeep Cherokee Laredo 4x4 with 4.0 and automatic w/ open cooling system retrofit, 4.5 rough country lift, 33.12.50r15 Pro Comp Mud Terrains, custom front bumper, smittybuilt xrc 8000 winch, homemade front disconnects, custom built safari roof rack with offroad lights and highlift jack, custom rear bumper w/ tire swing!!!

Currently building half doors!

I flat tow the jeep behind my 2008 Ford F450 and 39 foot 5th wheel.
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Old 03-30-2010, 02:34 PM   #7
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Yes. Lots of water, and its not the floor boards or the rear hatch seal. Another thread said it could be coming from the roof rack?
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Old 03-31-2010, 09:47 AM   #8
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you could could try this:
http://www.cherokeeforum.com/f51/fix...t-np231-37548/
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Old 03-31-2010, 09:55 AM   #9
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Your Tcase switch may be bad.
DORMAN Part # 49314 ~$10
May be able to find it in the "HELP" section at the auto parts store.
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