yo Bob!
1st simple check is to see if brake lights (not dash light) are working; if not (from Owner's Guide)"
"Your vehicle is equipped with a brake-shift interlock feature. This feature prevents you from shifting from P (Park) unless you have the brake pedal depressed. (The ignition must be in the ON position.) If you cannot shift from P (Park) with the brake pedal depressed:
1. Apply the parking brake.
2. Remove the key.
3. Insert the key and rotate one position clockwise (ignition in the OFF position).
4. Apply the brake pedal and shift to N (Neutral). (If the vehicle is shifted to P
(Park), you must repeat the previous steps.)
5. Start the vehicle.
If you need to shift out of P (Park) by using the alternate procedure described above, it is possible that a
fuse has blown and that your
brakelamps may also not be functional. "
If brake lights are A-OK, etc.
E4OD MLPS pic w/Alignment Marks (from a Mercury, but similar) by Steve83 (Steve, That dirty old truck) at SuperFord.org
E4OD MLPS Removal Discussion & Tips at fullsizebronco.com