8.4 Universal conversion harness for 2013-2018 and 2019+ Classic 4th Gen Ram Trucks. Our version 4 (v4) harness allows upgrading to a 4th Gen 8.4 Ram Radio (ie 3c RA3/VP3-NA & RA4/VP4-NA, 4c UAQ/VP4R & UAS/VP3R).
Choose based on factory fan speed, radio type and available items you want included (see Price list/Product Descriptions. Such as:
Cell Error Bypass Plug (for RAx -NA USA radios)
HVAC module for RAx radios (ie RA3/RA4) or UAx (ie 4c UAQ/UAS)
Req'd Fan Harness Add-on for 4 speed Fan trucks
Req'd Fan Resistor for 4 speed Fan trucks
UAx USB Hub Adapter Harness
ATC Temp Sensor (for 4 speed trucks adding Single Zone ATC)
ATC Part2 Harness (for 7 speed trucks adding Single Zone ATC)
ATC Temp & Humidity Sensors (for 7spd trucks adding Single Zone ATC)








