The 4wheel drive will not engage on my 1994 Ford Explorer Limited. I was advised by the Ford garage, if the switch light does not come on, the switch is no good. I have changed the dash switch, it didn't solve the problem. Checked all the fuses, they are all good. What would you suggest I try?
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Re: 4wheel drive will not engage.
Have the motor tested on the transfer case, they stick and cause this concern, you will need to pull the motor assembly out of the transfer case to check this out, after you have it out operate the 4X4 and see if the motor works, if it doesn't the next item to have checked is the Generic Electronic Module, this is the module that controls almost all functions except the auto trans and the engine controls.
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Does it shift to 4wd high range ? If so then shift to 2wd . What is going on here is the transfer case motor is stopping due to the motor position sensor has gone bad which means that you replace the transfer case motor assembly. But if you wish to make it a 2wd for awhile then remove motor and manually turn shaft . This can be done by raising and supporting rear axle truck in park remove motor turn shaft slowly with pliers and rotating the play in drive shaft. There are stamped markings on back of case showing gear positions..
The solution to the problem of the 1998 ford explorer was shutting the vehicle off in neutral tapping on swith a couple of times to get the 4wheel drive to disingage. eventually a new swith will have to be purchased.
I miss spoke...What had happen was that my front end was turning but hubs were not engaging...finally figured out automatic hubs were bad... when my ex had it she had a bearing repacking done, but they also put grease in hub.. wore down parts.. hope that helps..
Go to the engine compartment where the relays are located with the fuses. Check or replace the 4 wheel auto engage relay , maybe is not working. Is very clearly mark, I believe is the top right one looking at the bost front front of vehicle to the back. There is a diagram drawing of each relay in the cover, so you can't go wrong.