1997 Chevrolet 1500 Pickup Q&A

1997 Chevrolet 1500 Pickup Question: Gear shift won't move all time sometimes no problem.

I can put it in gear no problem, then I can park it start truck back & it won't move I can keep messing with it & brake pedal then it we will move fine can do it over over works great then turn it off try again may or may not work?? -
Answer 1
poss pwr issue to shift lock solenoid.start by cking brake light switch -