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)
Universal 8.4 Conversion harness w/ATC Pt1 (v4)
Our Universal 8.4 Harness includes support for the following additional upgrades/add-ons.
- 4spd/7spd support in same harness
- 4 Speed Fan Trucks (ie 2500/3500) require Add-On plug n play v4 fan harness.
- Single Zone ATC Part 1 built-in (ie for Auto Temp Control Cabin Temp Sensor). Just Add Temp Sensor for 2013+ 4spd Trucks or our ATC part 2 harness for 14+ 1500's/classic) to complete SIngle Zone ATC wiring & both Sensors! (BCM programming changes req'd by customer)
- Support for adding Dual Zone ATC * For those wanting to add extra passenger side blend door. See RamForum Thread for details.
* Will have to custom build rest of Pass. blend door wiring into add-on harness