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Old May 10, 2012 | 06:15 AM
  #1  
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4x4 idiot lights

I have a 2002 F250 with the diesel and manual shift transfer case and have lost indication on my dash of 4x4 engaged. Is there an actuation switch external to the transfer case that I can replace / clean or inspect? Or is it inside and not serviceable unless removed from the truck. Both lights do not work (4x4 or Low range) but truck still goes into gear. Thanks in advance.
 
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Old May 10, 2012 | 09:41 AM
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check the plug on the transfer case. it may just have worked loose enough to not make contact anymore.
 
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Old May 10, 2012 | 10:37 AM
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Yup, check the plug.
 
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Old May 10, 2012 | 03:49 PM
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and then there is the bulb....
 
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Old May 10, 2012 | 06:09 PM
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possible, but not likely both bulbs are burnt out unless by some remote chance theres a short that blew the bulbs and/or fuse. - you'd think more components would be out of whack if a fuse was blown though. Seems like there can be 15 circuits on one little 10amp fuse in these trucks
 
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Old May 10, 2012 | 06:31 PM
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my 88 blew both bulbs but i didnt worry about fixing it i didnt need a light to tell me
 
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Old May 12, 2012 | 03:12 PM
  #7  
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Well, checked the plug. With the help of this forum, found it on top of the transfer case. I pulled the plug and inspected, then plugged it back in ensuring it was seated well, still no lights. I may try to replace the switch. It looks to screw in from the top. I also do not really NEED the lights to work, it is just when you get a new toy, you climb all over it and try to fix everything you find wrong in an effort to get to know the vehicle. Like 77Mud said, I know when it is engaged, there is no doubt about that, I just wanted to fix everything I could. Thanks for all yalls help.
 
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