You may have a bad ignition switch — not the part that you put the key into, but the electronic module behind the key switch.
I had a Mercury Grand Marquis once, and sometimes the radio would go on and off and on and off and on and off… A coworker asked his brother, a Ford Mechanic, what it could be, and he told him the ignition switch. I bought a new one at Auto Zone for $15 and installed it, and the problem was solved. It was an easy install; and the old one had a smoky smell, as if it had been burning.
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Does this happen just for the radio or when playing a CD too? Is it just the sound or the whole radio?
crwdns2934271:0crwdnd2934271:0 Joshua Freeman crwdne2934271:0