For some reason when we are trying to tune this truck we get no communication between the ALDL and the scan tool or data master. Does anybody have any idea why this may be?
How are most of you guys hooking up these rads electrically? Turn on with switches, acc ign or hooked up to the turn on wire for the stock ic pump? Are you guys having both fans on at all times or have one on all the time and one on a switch? If so one on at all times, at which outside air temp...