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NO 4x4!!!!

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Old Jul 16, 2017 | 09:43 AM
  #1  
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NO 4x4!!!!

Okay, 03 F-250 with the 7.3. Has the ESOF switch and 4x4 is not engaging. Before people start telling me to check trans case motor and vacuum and that mess hear me out. I HAVE NO RELAY CLICKING AND NO ELECTRICAL NOISES AT ALL. I have already replaced my switch so thats not an option. I'd like to start by checking relays then work my way down. Where are my 4x4 relays located on MY 03?? Also, Has anyone ever heard or experienced that their Trans Range Sensor causing this issue?
 

Last edited by Ljfoster; Jul 16, 2017 at 10:09 AM. Reason: Added question
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Old Jul 16, 2017 | 09:54 AM
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I am not saying you didn't check the electrical connections, but I just went through this 3 days ago and that way my problem. Also, there is some good information posted about 4x4 issues on the link below.

https://www.ford-trucks.com/forums/1...4-for-you.html
 
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Old Jul 16, 2017 | 10:06 AM
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I Have checked the trans cases motor switch, Everything is connected and clean (on the inside of course). Also have checked all fuses, But no one can point me into the right direction of the actual Relays I should be looking for. I appreciate your help!
 
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Old Jul 17, 2017 | 05:20 AM
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Next to the master cylinder are two relays in a box, all by their lonesome. Clean and swap and maybe you're lucky. If unmolested they will still be wrapped in black tape.
 
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Old Jul 17, 2017 | 10:18 PM
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Originally Posted by aawlberninf350
Next to the master cylinder are two relays in a box, all by their lonesome. Clean and swap and maybe you're lucky. If unmolested they will still be wrapped in black tape.
Thank you! I'll probably be taking a look tomorrow then
 
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Old Aug 20, 2017 | 07:11 AM
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Just so everyone is aware, Still no 4x4. Replaced all relays now and stll nothing
 
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