02 4x4 problem - Ford Powerstroke Diesel Forum
 
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post #1 of 5 Old 08-19-2012, 11:45 AM Thread Starter
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02 4x4 problem

Im having some issues with the 4x4 and am hoping you fellas can tell me where to start troubleshooting.

When I turn the selector switch nothing happens. No lights in the dash or anything. One thing I noticed was that the backlight for the selector switch will turn off when I turn it. After about 10 min the backlight will come back on.

Any ideas?
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post #2 of 5 Old 08-20-2012, 05:15 PM Thread Starter
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Do you guys know how I can test the switch? Can I jump the wires on the harness to test it?
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post #3 of 5 Old 08-23-2012, 09:07 AM
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once you determine if the switch is operational I would check your vacuum lines to the hubs mine has 177k on it anthe vacauums lines on mine were very brittle and causing the pump under the hood to just run as the air was escaping through the holes in the lines. I was able to turn hubs in manually and it worked. just some suggestions.
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post #4 of 5 Old 08-27-2012, 07:57 AM Thread Starter
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Thanks for the info. I have had that problem before. I think my problem may be the switch. When I turn it I cant hear any relays or anything.
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post #5 of 5 Old 06-18-2013, 09:39 PM
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Any update on this?

2003 F-350 6.0L. CCLB, 6" lift on 35's, 100k miles: Sinister coolant Filter, Sinister EGR delete, Sinister boots, ARP studs, Diamond Eye 4" turboback exhaust, cat-elc, blue spring update, 6.4 banjo bolts, Edge CTS w/ EGT, SCT w/ Gearhead SRL+ tunes, S&B air intake, Atlas 80 FICM tune, water/meth injection, high idle switch, fog light mod, zoodad mod, 07 front, 07 dash, 08 taillights, 08 mirrors, 14 tailgate,
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