The factory CD changer in my 2001 skips quit a bit - maybe 3-5 times per song. Is this a known issue? Is there any area (wiring, mount, etc) in particular I should look into? If it's the changer are there any plug-in aftermarket units? Thanks!!

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E55, 300E, 65 Hipo Mustang, 66 Shelby GT-350, 69 Mach I, 66 Fairlane GT Conv., etc