turn off we had to pull the coil wire and then unplug the battery what could the problem be?
i have an 1986 jimmy s15 and it will not go into any gears. and the key wont on 1990 GMC S15 Jimmy
its your ignition, I had the same problem, I got a new key and ignition and it was fixed. you need to pull the steering wheel to get to it, pretty tricky cost around 200.00 to have a professional do it