I HAVE PUT NEW ALT NEW REGULATAR HARD WIRED ALL FUSE LINKS HAD BATTERIES CHECKED AND CHARGED ALL GROUND WIRES PLUS POWER WIRES REWIRED AND STILL DRAINS BATTERIES AS IT RUNS CHECKED GLOW PLUG RELAY AND GOT POWER TO RELAY WHEN IGNITION IS ON STARTS RUNS AND DRAINS BATTERIES BAD THING IS AFTER 30 MIN OF RUNNING DRAINS BATTERIES TO 9 AMPS HOLDS BUT RELAY HAS CONSTANT POWER IS THIS THE RELAY OR SENSORE TO RELAY AND IS THE RELAY NOT TO GO OUT BUT MY UNDERSTANDING IS IT IS AND IF SO COULD THIS BE THE PROBLEM AND WHY IT DRAINS WHILE RUNNING HAVE SPENT NUMEROUSE HOURS AND $ ON IT CAN ANYONE help!!!!!!!!!!!!