I WAS GOING TO REMOVE ONE BATTERY AND JUST RUN THE DRIVER SIDE BATTERY AND GET RID OF THE INTAKE HEATER AS IN COMPLETELY REMOVE IT FROM THE INTAKE ETC,,, ANY DILIKES OF THIS IDEA WOULD BE APPRECIATED, I HAVE BEEN RUNNING OFF OF ONE BATTERY FOR ABOUT TWO WEEKS NOW AND EVERYTHING IS WORKING FINE EXCEPT A LITTLE WHITE SMOKE ON A COLD MORNING, THE GRID HEATER HAS BEEN UNHOOKED SINCE NOVEMBER AND IT STILL STARTED ON 10 BELOW MORNINGS, ALTHOUGH ON THOSE REALLY COLD MORNINGS IT SOUNDED LIKE A MIDGET WAS POUNDING ON THE BLOCK WITH A SLEDGE HAMMER, IS THIS A BAD IDEA FOR THE CUMMINS,,,, I AM A CATERPILLAR MECHANIC AND ALMOST ALL EQUIPMENT I WORK ON DOES'NT EVEN HAVE STARTING AID AND THEY RUN ALMOST PERFECT 24-7-365 ..... ANY COMMENTS WILL BE GREATLY APPRECIATED THANKS... 
