GOT 99 2500 CUMMINGS 50000 MILES ALL STOCK EXCEPT ABOUT MONTH AGO INSTALLED EDGE EZ & K&N AIR FILTER LOVE IT THE OTHER DAY WHILE PULLING MY GOOSENECK TRAILER TRUCK STARTING SHIFTING UP & DOWN . READ SOME OTHER STORIES IS TI THE EDGE BOX I HAVE THE MILD ONE 65 HP OR SOMETHING ELSE . IE PICK UP PUMP RECALL ON TRANS ETC . DROVE THE TRUCK THE OTHER DAY NO TRAILER DROVE PERFECT TRANS DID NOT SHIFT UP & DOWN . IF I HAVE TO TAKE BOX OFF DO I NEED TO UNDO BATTERY CABLES SINCE INSTRUCTIONS DID TELL ME TO DO SO WHEN I INSALLED . TRANS HAS BEEN SERVICED REGULARY . COULD THIS BE A ONE TIME THING WITH THE COMPUTER ADJUSTING ITSELF . ANY SURGESTIONS THANKS