Originally Posted by islandwheels
ditto, on the problem with an '03 2500. After paying dealer $100 to tell me it's going to take $500 to remove dash to look, Will attempt myself eventually, but concerned about air bag deployment. But no floor air or defroster air, so it looks like the dash may have to be removed on mine.
Disconnect and isolate the negative battery cable and wait a minimum of 2 minutes before you go to work under the dash so the capacitors have time to discharge and you'll be fine.