Thanks a lot for your response Jim, i'll chech this ... i'll try ..
have a nice day !

"Jim Warman" > a écrit dans le message de news:
ZSHWd.5319$gJ3.4360@clgrps13...
> Look at the concern in a logical manner..... after driving over an object,
> you now have a concern. The only advice I can offer at this time is that
> you
> visually inspect for any physical damage. While there are "pattern"
> failures
> for many of these systems, we have what may be a cause and effect scenario
> in your case. I suggest a thorough inspection of the driveline and
> transfer
> case as well as looking for any obvious signs of wiring harness damage.
>
>
> "Joe ALVES" > wrote in message
> ...
>> Hello Everybody
>> I have a problem with my 1994 "4 liter" Ford Explorer.
>> I was driving at reduced speed when my back rear right tire rolled over a
>> massive stone and ever since my "4 by 4 and low range" engage switches no
>> longer function. At the time of this incident the engages were not turned
>> on, and living in France, I have no technical assistance or support (Ford
>> and other) in this matter. No one seems able to help me in the repair of
>> with this misfortunate technical hassle. Could someone help me find the
>> solution please? Could it be an electrical problem? Mechanical or other?
>> Thanks in advance.
>>
>>
>
>