I was wondering if itwas normal to have an electric current goin thru my oil presure regulater behind my air cleaner? Never saw this before and this is my first diesel truck n lookin for ne advice I can get to make this thing act right its a 7.3 na zf5 4wd and another question my truck won't hold reverse just pops out n is getn worse can't even hold it inne ideas of what it could be would be nice n how to check thanks guys