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4wd light

Old Feb 19, 2011 | 06:39 PM
  #1  
Crazythingsido2's Avatar
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From: Virginia
Year: 2000
Model: Cherokee
Engine: 4.0l
Default 4wd light

my part time light works but has been blinking and coming on sometimes while in 2wd. its very random. and today when on the trail in 4wd high and low my part time light was on and then i had a green full time light come on as well. ive never seen this light before.

my question is what is the full time light?
and is this a sign of my 4wd light switch going bad?
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Old Feb 20, 2011 | 01:12 AM
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Jono's Avatar
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From: Hesperia Ca
Year: 1989
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Engine: i6 4.0
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The green light (full time) is for 4L. The part time light is 4H. My green has not been working for awhile so let me know what you come up with.
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Old Feb 20, 2011 | 01:56 AM
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the jeep man 94's Avatar
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ya some times in my one jeep it will say part time when in 2wd and slow going in to 4wd full time i dont kno y it dose this think it must just be another jeep thing
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Old Feb 20, 2011 | 10:24 AM
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First off, the 4WD light switch is a very common problem on these and is likley your issue. I've replaced this switch on two of my jeeps. If you get under the jeep and unplug the switch, which is on the top of the T-case you can use a paper clip or piece of wire to connect the two wires and bypass the switch, if the light comes on when the key is on you know you have a bad switch. Sometimes you can just get away with cleaning them.

Second, if your shift pattern is 2WD, 4Part Time, 4Full Time, N, 4L you have a NP242 transfer case and the Green light is for the 4Full Time setting. If your shift pattern is 2WD, 4Part Time, N, 4L you have a NP231 transfer case and only have part time, so the part time light should com on in both 4 High and 4 Low. The Green light should never appear even though there is a spot in the dash for it.
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Old Feb 20, 2011 | 11:48 AM
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Originally Posted by plotski999
First off, the 4WD light switch is a very common problem on these and is likley your issue. I've replaced this switch on two of my jeeps. If you get under the jeep and unplug the switch, which is on the top of the T-case you can use a paper clip or piece of wire to connect the two wires and bypass the switch, if the light comes on when the key is on you know you have a bad switch. Sometimes you can just get away with cleaning them.

Second, if your shift pattern is 2WD, 4Part Time, 4Full Time, N, 4L you have a NP242 transfer case and the Green light is for the 4Full Time setting. If your shift pattern is 2WD, 4Part Time, N, 4L you have a NP231 transfer case and only have part time, so the part time light should com on in both 4 High and 4 Low. The Green light should never appear even though there is a spot in the dash for it.
i know that i have a 231. so i dont have full time but my full time light is on all the time at the moment
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Old Feb 20, 2011 | 05:40 PM
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and today in 4hi they both were blinking very fast and would stay on sometimes
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Old Feb 20, 2011 | 07:43 PM
  #7  
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anyone have a clue
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Old Feb 23, 2011 | 12:31 AM
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Originally Posted by plotski999
First off, the 4WD light switch is a very common problem on these and is likley your issue. I've replaced this switch on two of my jeeps. If you get under the jeep and unplug the switch, which is on the top of the T-case you can use a paper clip or piece of wire to connect the two wires and bypass the switch, if the light comes on when the key is on you know you have a bad switch. Sometimes you can just get away with cleaning them.

Second, if your shift pattern is 2WD, 4Part Time, 4Full Time, N, 4L you have a NP242 transfer case and the Green light is for the 4Full Time setting. If your shift pattern is 2WD, 4Part Time, N, 4L you have a NP231 transfer case and only have part time, so the part time light should com on in both 4 High and 4 Low. The Green light should never appear even though there is a spot in the dash for it.
Thanks man I have a NP231 and did not know that when I got it a few years back it would light up but two years ago I got cancer and was in and out of the hospital alot a buddy of mine was helping out with stuff and took my dash apart he must have fix it. But thank you for the info. This site is awesome.
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