Car cranks but won't turn over

What is your question?

For a month now whenever I hit a bump or sometimes when I accelerate all the dashboard lights come on then they eventually will go off lost my left blinker light on the rear last night changed it out two days ago engine light only came on have an aftermarket alarm on this stupid work van would really like to get rid of it open the hood to look into it today all of a sudden then wouldn't start oh yesterday had to jump the van to get it started is it 2012 Ford e van