I have a 97 F150 4.6L 4X4 with an ABS Problem. My truck has disk brakes in the front(no ABS wires to the individual wheels) and drum brakes in the rear(ABS wire to Differential), so I am asuming that it has rear ABS only. Both the brake light and ABS lights are on all the time. I have not had any problems driving the truck, the brakes seem to operate fine. The fluid level is full and I checked the system and could not find anything wrong with it. I had a local Ford Mechanic look at it and he told me it was probably the ABS module. I can not seem to locate the module, can someone please tell me were it is located so that I can replace it. I hate driving with the brake lights on.