DIY: 2013-2017 RA3/RA4 8.4" Radio Upgrade/HVAC Conversion

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Mpgrimm2

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2015Phoenix721

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Is it possible to just purchase the 4-7 speed conversion harness? I already got the new bezel, resistor and hvac control from a 2014 Laramie to put into my 2014 Tradesman but I have to use the 4 speed ac control from my TM into the Laramie set up since they are diff speeds. My sons truck (The Laramie) got water in the eng and trans and they totaled it so we swapped interiors
 
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jvbuttex

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NICE WORK!

Why is the Single zone climate controls preferred over the dual zone?
Well I know in the MB world, there is a world of differences in the dash ducts... you really need to have 2 diff paths... typically there is one plenum that feeds both driver side and pass side. and with dual zone , each needs there own heat / ac ducts and flapper valves.
 

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Will a 2019 Dodge Ram GPS Navigation Screen With Controls work in a 2017 RAM SLT?
 
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tnctx02

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Thanks....he messaged back and it is not the classic.
Where has everyone bought their 8.4 kits from? Does UConnect still work after the upgrade?
 
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There are places that sell complete kits for a significant markup vs buying the individual pieces yourself. (I don't mention them because they also sell the harnesses now). There is a list of verified 13-17 RA4 VP4-NA radio PNs in the 8.4 FW info thread linked in post 2. And if you want to go with a 2018 ram Android Auto/CarPlay radio to can also see the UAQ upgrade thread.

INFO - 2013-2017 8.4AN FW Notes (RA4/VP4 NA).


How To: Install a 2018 4C (UAQ/UAS) Radio in 2013 - 2017 RAM.

How to Add Automatic Temperature Control (ATC) to a Manual Temperature Control Truck.


Sent from my SM-G960U using Tapatalk
 
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Mpgrimm2

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That said...
Once you know the PNs, check eBay, LKQ, Schram Auto, Car-Part, and local salvage yards. Generally they come out of big Horn or higher trims.

* And there isn't any special 'programming' of the radios beyond getting the 4 digit unlock code (@ $13 online)

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Original post recreated/edited below

Finish routing the harness into the center stack area and plug the 24 pin connector on the harness into the existing 24 pin connector on the truck. Plug in the connectors you previously unplugged and also plug in the 8 pin plug into you new bezel.

Harness coming in behind bezel:
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Reconnect battery and test everything and ensure it is working correctly. Reassemble your truck

And here is the bezel installed while testing harness showing all 7 fan speeds, yes that's right the fan now has seven speeds it seems to push more air and is quieter.
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And here is the finished job! Everything on the bezel works as it should. Works perfectly!
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Oh and prior to bundling it up I tried two other bezels I had. Both are dual zone with auto climate control. They also worked except for the actual dual zone or auto climate control functions. The drivers side temp switches were active to control the temp, but the passengers side temp buttons did nothing. Otherwise they were fully functional. Just something to think about if you already have an auto climate control bezel and do not want to buy another one. SEE HERE.
Enjoy


Attached Thumbnails
original_radio.jpg
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Here is a before shot with OEM bezel (Radio Testing)
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So it fits and works in the original bezel also?
 
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Mpgrimm2

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So it fits and works in the original bezel also?
With steering wheel audio controls you can get limited functionality. Audio & nav works, will display some of the HVAC settings but can't fully interact with the HVAC system (no on-screen menu interaction) and can't get into any of the extra dealer settings/menu

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Would this radio fit the 2017 RAM 1500?
2013 - 2017 Dodge Viper JEEP Grand Cherokee Navigation 8.4 Radio
 
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Mpgrimm2

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Would this radio fit the 2017 RAM 1500?
2013 - 2017 Dodge Viper JEEP Grand Cherokee Navigation 8.4 Radio
Check the PN against the fw thread I linked above

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I just installed the 8.4 in 2500 ram, radio works but it says climate off and climate doesn't work any ideas? I bought the kit from infotainment.
 

Rockcut72

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Hey guy's, I installed an 8.4 UCS radio in my 18 Express. I had a problem with my hvac controls not having full travel like some others have had. I tried an 18 hvac module with no luck. I ended up doing the auto temperature control conversion with harnesses from Mike at M2 Mods. I'm happy to say everything works perfectly now and the atc is a really nice upgrade too.
 

Jeff Krawczyk

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Ok, been searching to see if this will work in my 14 ram 1500 and I can even find out the part anywhere does somebody happen to know if this would work in a ra4 upgradeScreenshot_20191217-211810_Facebook.jpg
 
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Mpgrimm2

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Ok, been searching to see if this will work in my 14 ram 1500 and I can even find out the part anywhere does somebody happen to know if this would work in a ra4 upgradeView attachment 189203

No, it absolutely will not work. ...



* 14-18 ram 1500's have a variable displacement compressor (typ. associated with the 7 speed fan)
>> 14-17's w/RAx = 68268186Ax HVAC module
>> 18/19's w/UAx = 68366552AA HVAC module

* 13-18 ram 2500/3500's (& 13 Ram1500) have a fixed displacement compressor (typ. associated with the 4 speed fan)
>> 14-17's w/RAx = 68105017Ax HVAC module (ie RA4 Radio)
>> 18/19's w/UAx = 68366553AA HVAC module (ie UAQ Radio)

& the current thinking is to match the HVAC module to the 8.4 radio year, but there have been some HVAC Blend/Temperature issues with the UAx radio upgrade that are typically fixed with the Single Zone ATC Mod.

A few people have successfully used a 2018 1500 HVAC module in a 14-17 truck with RAx conversion.

M² Mods.
 
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