Overdrive switching in and out while towing.==LINK==

From : marsh monster

Q: ======= ======= fracassa@gmail.com wrote marshmonstor please excuse my ignorance - i am learning this crap on the fly here. i appreciate your input immensily i will go to another dealer and and not let them blow me off so easily. but i dont understand how replacing a harness can change shifting characteristics without some sort of chip. i can find a ton of performance chips that claim torque improvements etc.. and i have been googling my arse off but the only harnesses i can find are for adding a trailer connector ie stop/turn lighting and braking. nothing that effects the tranny. throw a guy a link thanks again matt ======= ======= good form....... the links the tsb concerning the symptom and further rantings from me are on the way. and...... i appologize to all good dealer techs....... which are very few and far between. trainies are a dime a dozen. marsh sips his heineken.....off to the files .