So, I found the sensor under the leading edge of the dash left of the wheel. It is held in place by a spring steel clip. Pull it loose and the sensor drops down to where you can hold onto the socket and pull them apart, no tools required.
The bad news is that the problem still exists. When the key is off or on accessory everything is fine, step on the brake pedal, the lights come on, step off they go out. With the key in the run position, the brake lights come on and stay on until you turn the key off of the run position. Looking at the diagram in Chiltons I see no other possible culprets other than the bullb fail sensor which I just replaced.
Any suggestions