Has anyone Put in a Concourse USA 630 retro radio? We have tried 2 different ones thinking the first was defective as it cuts in and out while driving, so does the second! Thinking it’s something in the car itself. Could it be the ignition switch? I have a ‘68 Cutlass S. My husband put in a new radio in his car but hooked it to my car first to see if it cut out too but did great!
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he tried a filter but it’s still cutting out. Hooked first to ignition then tried battery, still cut out. Any ideas? Do we need2 filters? One for each?