My car wont start and its making a clicking noise?

my 97 honda civic wont start when i turn the ignition i hear a clicking noise coming from the dash board on the lower left penger side and on my gauges both the "D4" and "P" (auto matic transmion" are illuminated and flickering in sync with the clicking noise ive already replaced the main relay as it was the location of the clicking noise but the problem still persist please any information would be appreciated