This truck, as far as blower speed has a mind all its own. Intermittently, or i should say mostly, it will default to about 48% even if you have it on speed #7. It has a dual climate zone and is an automatic system. I have checked for voltage drops from the bl...

FIX posted 7/9/2015

iATN Members:
Login to view full TechHelp request
Auto Repair Pros:
Join iATN to read this TechHelp request
Vehicle Owners:
Find a nearby iATN member to repair your vehicle