[HUMTECH]

They should try exactly that. Always need to duplicate a typical drive cycle the owner goes through to check for intermittant problems for sure. They should hook up a disconnect switch between the neg cable and battery. Close the switch and drive it using all accessories at least once. Then hook up the amp meter across the disconnect switch, once that is all done open the switch to allow all current flow to travel through the meter without actually removing power from the truck and all the modules.