The item in the middle of the Dash Rail, immediately above the Instrument Panel, is an Ash Tray, for holding cigarette or cigar ashes. Or as in my case on the two I have mounted, to hold 'folding money' for bridge fare, police bribes, etc.
The wire to the left of the Ash Tray is not an original part of the Ash Tray; but may have been added later for any number of reasons.
As the Instrument Panel is missing a Model A ampmeter, the owner installed one from a Ford Model T on the Dash Rail, to the right of the Instrument Panel. Red Light on Dash Rail, is an unknown use - could be for any number of uses.