k_jensen6ExplorerFeb 20, 2015Dash radioJust trying to figure this out. When connected to electric source, does the dash radio run on electric or draw from the engine batteries? Want to make extra sure I don't kill the engine start batte...Show More
RayChezExplorerFeb 23, 2015Most dash radios are connected to the chassis batteries. But it would take several days of continued use to run two batteries dead.
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