dash board clustrer just stop working when driving and batter and engen dies on 1998 Mercury Grand Marquis

when driving dashbard cluster disapers battery- engen dies replace battery yesterday had all engen dianastic done at delear ship it showed all in standerd working order put the car stoped on the interstate today now what?

1 answer
Sounds like a charging system issue. Get the battery recharged up to full charge and then test the alternator / voltage regulator. I'm nearly certain you will need an alternator.