Dumb cassette adapters

I recently got a GE cassette adapter as a gift so that I could listen to my iPod in my car (1991 Plymouth Acclaim). Unfortunately, the radio has auto reverse so the cassette adapter is basically a pointless thing to own because every ten seconds or so the music fades because the radio is trying to reverse the "tape". I have found a couple of websites saying that there is a gear that you take out of the adapter, but none of them had pictures of the gear/s that you would take out and they weren't very thorough. Any information or links that have to do with how to fix this problem would be greatly appreciated.

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