I have an 82 diesel (converted to 83 = gti) with a strange problem. when I tried to start it this morning,it turned over = normally for a moment, then stopped. next attempt I got a click click click = click from the back, then all of a sudden nothing worked. No lights, no radio, = etc. I tried turning it over again, very weak glow from idiot lights. waited = a few seconds, tried again, Click, nothing, a repeat of the first