Alot of people have problems with the electronic 4wheel. Generally speaking, the motor that engages the transfer case gets caked with grease, grime, etc.. and needs to be removed, cleaned and reinstalled.
Now we got it to make a click noise which it didnt make before. It comes from a little black box in the storage campartment on the driver side (where the jack is) but it still does not engage. We still havent pulled the electric motor down and cleaned it that what we will most likly try next unless someone know what this might be. Also the cruise control dose not I dont know if this is tied in or not. Oh also there is a little white button that when you push it in a little red LED comes on. What is this for? Sorry about the long post just wanted to get it all done in one shot.
Ive been having similar problems with my bronco2, ie clicking noise, no cruise working. Well ive cleaned down the electric motor and it still didnt work, so i went out and found a manual transfer case for the nominal fee of free and am gonna put that in instead. THe motors for them are to expensive.
this problem is almost always the motor. i have cleaned mine a couple times in the past 2 years and i think i am getting good at it.
there is a detailed thread about this problem on the explorer maintenance page (www.glue.umd.edu/~singletn/exp.html)
full description of the problem along with troubleshooting and repair tips.
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