Mazda Other Engine Not Running

I Put Tha Positive Cable On The Negative Side And The Negative On The Positive Side At The Batery, Now The Car Wont Start, What Can Be The...

I Have A 95 Millenia Mazda 2.5 V6 109k Miles. I Cleaned My Engine Just A Bit With Some Degreaser. I Cover The Necessary Components. Well...

Hi I Have A 1995 Mazda Millenia,i Moved It Today To Clean It Out And When I Went To Started Back Up It Would Not Do It.it Makes A Cliking...