87 toronado trofeo givin me startin problems sometimes....

i just recently bought a very nice maroon 87 oldsmobile toronado trofeo with only 98k miles on it at the time....anyways if you go out and start the car she will start right up.....but if u shut it off after 10 mins or so and try startin it again it will try n try but wont start....i did find out if u wiggle the wires goin into the module a few times it will then start again....but i would like to find out how to fix this problem cuz its a great 80's car in great shape other then this problem. thanks for your help

did losts of tests and found out it was the ignition module!