Electrical problem
1977 Rolls Royce Silver Shadow V8 Two Wheel Drive Automatic 70000 miles

HELLO
HI, I HAVE A ROLLS ROYCE, SILVER SHADOW currently have a 1977, I HAVE NEVER HAD PROBLEMS WITH MY CAR, BUT TODAY started the engine and the gears DOES NOT MAKE CHANGES IN THE BOX, stays PARKING AND CAN NOT RUN
There a solution immediately before use A crane? HAVE SOME FUSED that controls the shifter?

AGRADEZCO THE SOLUTION THAT CAN GIVE ME TO SOLVE THIS PROBLEM BECAUSE WE IN MEXICO WITH NO MECHANICAL SPECIALISTS

THANKS

RAFAEL OROPESA