Thanks for all this info I will be replacing the ra1 with an ra2 in my truck this weekend
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That's what I did initially as well , it's a very nice upgrade for sure .
After I installed the RA2 radio I installed the OEM mirror with microphones and purchased the mirror header harness from my local dealer for $ 26 . Then I installed a different steering wheel that had the VR/Phone button and audio controls ... This gave me 100% function of the hands free phone use [emoji16] all of this was plug n play and a huge upgrade imo !!
I then installed the OEM backup camera ( requires the XAC code flash )
Once complete with the BU cam the RA2 is a GREAT platform !!
But even though I was really happy with the RA2 setup having 100%hands free capabilities and a nice backup camera with active gridlines less than a year later I upgraded again to the RA4 with Navigation.
The RA4 Upgrade was simple at this point as I had already installed most of the components required for the full upgrade when I upgraded to the RA2 platform .
All that was needed to complete the RA4 upgrade was :
1) Radio
2) radio bezel
3) HVAC module
4) conversion harness from( M2mods)
There's no comparison imo , the RA4 platform is super nice !
Hope this helps !
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