Just purchased this 2002 Duramax 6.6 Allison 1000 transmission all stock no modifications keeps burning up solenoids checked all the wiring for bad spots then took it to a tranny shop tranny shop who had it for a month replace the solenoid drove it around after about 10 miles went to limp mode solenoid went bad again so they replace the solenoid again same thing happened they tell me they need to take it to the dealer so I figured I would check on here to see if anybody else had any ideas it sits in my driveway till I figure out what's wrong with it with the help from you one of you gurus codes came up po700 and po746