4x4 problem
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Senior User
Joined: Dec 2006
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From: upstate central new york
4x4 problem
i have a 2000 f250 4x4 crew cab v10 love the truck . here is my question my 4x4 stopped working when i turn the switch to 4 high or 4 low nothing on the dash comes up there is no engagement on the front shaft to the front diff the axle lock when in manual just at the hubs but nothing else any help please thanks and truck on
Lead Driver
Joined: Sep 2003
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From: Albuquerque
Has got to be at the transfer case. On ESOF systems there is a transfer case servo-motor that shifts between 2Hi, 4Hi or 4Lo. First...I would check the connection, then check if power is present. If both checkout ok, then it is the motor itself.
Good luck with the fix...
biz
Good luck with the fix...
biz
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Senior User
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From: upstate central new york
what is the process in checking for power at the motor and which one is the motor the big selonoid looking one or the one on the side of the tarnsfer case the connections all look ok
Last edited by 900rr; Sep 16, 2007 at 04:14 PM.
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Senior User
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From: upstate central new york
fuses all looked ok and it is the esof and which one is the motor the small one on the side or the big black one on the bottom if the transfer case thanks for any help
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From: Amsterdam, NY
its gray with a big black thing on it with 2 wires hooked to it. My hubs were toasted and the motor was no good. So I had the hubs replaced with warn ones which are in my gallery. And had an oem motor put on and it works all the time now. and i tired numerous times to check the motor to see if it was good and I thought it was. I hooked the jump it to it and turned it to see if it turned and it did. the motor isnt a hard job actually it is quit easy.
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Joined: Dec 2006
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From: upstate central new york
ok so i tested the wires on the truck the two wires going to the smotor has no power when the switch is in 2wd or 4wd with the truck running but the wires going to the six prong connector has power to all of them i checked the relay and they made no difference i checked the fuses and they were all fine now what do i look for any help please
Hook it, I'll pull it.
Joined: May 2007
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From: Grand Lake, La.
Originally Posted by 900rr
i have a 2000 f250 4x4 crew cab v10 love the truck . here is my question my 4x4 stopped working when i turn the switch to 4 high or 4 low nothing on the dash comes up there is no engagement on the front shaft to the front diff the axle lock when in manual just at the hubs but nothing else any help please thanks and truck on
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Joined: Jul 2002
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From: Long Island USA
The other "thing" on the transfer case besides the motor is a sensor of sorts 
- it's really just a switch that tells the GEM what gear the transfer case is in, and which light to light .
There are also two relays for the ESOF system, if I recall correctly.
- it's really just a switch that tells the GEM what gear the transfer case is in, and which light to light .There are also two relays for the ESOF system, if I recall correctly.