My 00' zd21 started acting up tonight, bogging down, wanting to die, went to shut it off and wouldnt shut off, even with the pulled out, nothing "manually" would shut it off.finally it died on its own, went to restart and, nothing, not even a blip on any gauge. Of coarse, my wife was driving, she all upset, soooo any quick response would be appreciated! I've checked over all wiring and batt is at good charge! What next?