2005 Advancetrac help

[marc hapeman]

my 2005 ford explorer advantrac system keeps kicking on and off while driving the 4 wheel drive high flashes on and off and abs light on when I first start it to drive all lights are off but feels like abs is activating when I hit brakes the advantrac is tryin to function then it all kicks on the dash lights and drives fine I don't understand

 

[JK080]

You should get the vehicle scanned for codes, it sounds like there is a problem with the ABS system. We had one a week ago that did this and his left front wheel speed sensor was dropping out, you could see it fail when watching the data on the scanner and a code was set for that sensor.