2007 F250 NO 4x4
Hello everyone, I have a 2007 Ford f250 powerstroke. My 4 wheel drive started acting funny, it would engage sometimes but not other times. Finally over christmas it wouldnt engage at all. Replaced the switch, the actuator motor on the T-case and the 4x4 control module above the glovebox. Still nothing engaging the motor on the T-case. No power to the plugs below either.:argh: Any info is greatly appreciated. Thanks
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on the driver side next to the battery there's a plastic box that has 2 relays in it.. inspect the relays and test.. replace if necessary
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Checked relays, flip flopped relays, checked for corrosion. Still nothing.
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Don't know if your truck uses vacuum to engage and disengage hubs like my 2000. If so id replace hub lock oring and hub bearing oring. I could tell when bad because my vent control would default to defrost every time I tried to engage 4x4. also vacuum hose on steering knuckle.
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There are no Vac lines running to the front hubs. My main issue is no power to the t-case shift motor. If I open up glove box and disconnect the 4 wheel drive control module and probe pins 5 and 6 on the C281B side with a test light grounded and key on I can manually shift the Tcase from 2wd to 4wd. Do I have a bad ground somewhere possibly>?:argh:
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