Time for the old indash radio to go!
I have a 2004 Jayco Granite Ridge motorhome based on a Ford E-450 chassis, which has/had a Magnadyne radio installed in the dash. It has sort of worked - could play the Sirus radio through it, listen...
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FYI - most stereo shops sell trim inserts to fill the gap on the sides of a double-din unit. Since they probably don't list the E-series, search for a Ford Ranger double-din adapter kit.
