I have a 2016 2500 6.7 SLT
Factory came with uConnect 5.0 RA2 and 4 speed manual blower fan.
in february 2016, I installed a uConnect 8.4 RA4 from infotainment and also purchased a 4 speed to 7 speed conversion harness from the harness connection and all went well, not an issue.
in fall 2017 I...
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