
I have a 2002 Ford Explorer that the 4x4 will not engage on. On start-up the 4x4 low light proves out, but 4x4 high does not. when you engage 4x4 high with your foot on the brake, the high light comes on, but when the brake is released the light goes out. Also does not engage 4x4 high automatically. The 4x4 relay is actuating and the motor on the transfer case is working and shifts into low range. I have a front wheel bearing starting to go out, but didn't think that should be a factor. Any suggestions would be greatly appreciated!