Is there any difference in the wiring/speakers between a base radio and the radio the factory included in the sun& sound package? Looking at a vibe with the base radio(I think...looks different than the one in my now dead Vibe) and need to know what all I would have to change to upgrade to the EQ AM/FM/single CD player. The one that is in the vehicle I'm looking at can be seen in the attached image and I want to swap in the EQ. Thanks
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