Plug & Play For All 1978-1979E Electric Antenna Applications With Correct Harness. Mast Has Correct Finial, Protective Boot And Appears "OE" Motor Assembly Uses Modern Components And Works Correctly With Low Amp Draw Comes With Detailed Instructions C3 Power Antennas Are Designed To Work With Factory Radios Using The Original Harness And Relay. If You Use An Aftermarket Radio And Attempt To Bypass The Original Relay, The Antenna Will Not Work. The Original Relay Is A Reversing Unit That Reverses Polarity Causing The Antenna To Go Up And Down. If An Aftermarket Radio Is Used, It Must Be Integrated To Use The Original Relay For Proper Operation. Corvette Is A Registered Trademark Of The General Motors Corporation
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