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

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itsuhhemi

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Pictures of what you're working with please
Sorry I thought the pictures were in our emails back and forth to each other, I will try to get some pictures today. To be brief, the antenna won't plug into this 68331635AK because the "slots" on the radio side don't match the "slots" on the truck side of my wiring harness.
 

itsuhhemi

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Pictures of what you're working with please
Hey Grimm,

Figured out why my antenna wouldn't connect to the radio, turns out it was missing the white fahkra. I just connected it straight on without it for now.
 

Mpgrimm2

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Hey Grimm,

Figured out why my antenna wouldn't connect to the radio, turns out it was missing the white fahkra. I just connected it straight on without it for now.
See post 10 of the standard 8.4 upgrade thread for info on the fakra (B for FM) male to female extension adapters to take the strain off that connector that's missing the plastic outer lock.

Like this...
$13 on eBay (long lead time from China)

$11 on eBay (not sure on length, 4"-12"?)
 
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Project_Laramie

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Hey Guys so i got an infotainment uaq and everything works including car play, but not the heated/cooled seats. 2015 ram 2500. Is there an extra harness i need, to make them work? I don’t have physical buttons for them. Thanks!
 

DoughRat19

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Since the Chrysler 200 media hub is on back order, I’m gonna try and install a 5th gen hub into the 2016 console I will be installing in my 2019 Classic. I just got a 3D printer the other day and I’m currently fumbling through using CAD programs. So far I have a faceplate in the dimensions of the original media hub that was in the 2016 console. I got a copy of a 3D print file from @deathbyburito to get the rough dimensions of the USB and audio jack ports and added those to the faceplate. I’ll test it out once I have the media hub and then it’s on to making the back structure. Im hoping it turns out alright.
 

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Mpgrimm2

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Hey Guys so i got an infotainment uaq and everything works including car play, but not the heated/cooled seats. 2015 ram 2500. Is there an extra harness i need, to make them work? I don’t have physical buttons for them. Thanks!
Infotainment does offer a "4c Seat Interface" for ~ $200-$300 (made by Nav-Tv I believe) that's supposed to fix it, but doesn't consistently do so. ...

Another option that has worked for some... Is to swap out the module under the driver seat with the 2018 version (CSWM .. Comfort Seat & Wheel Module ... ~$100? )

Somewhere in this thread or the heated seat thread (How-To: Add Heated/Ventilated seats and Heated Wheel to Express/Tradesman) is a post by @Roman217 about it.. if I can find it.
 

mtnrider

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I just successfully upgraded my RA3 to a UAQ and everything is working including my heated seats and cargo cams etc. This is on a 2016 2500. Took 2 key cycles and all my options showed up. Car play and android auto work well

The only thing I am dealing with is a darker reverse (and cargo) cam. And the compass hub did not fit very well in my jump seat. It's hitting a metal cross brace in the seat and I can't get it seated in flush.
Also the sound on the UAQ is sub-par compared to the RA3, might look at adding a Kicker key amp and see if it helps? If anyone has other suggestions let me know.



.
 

DoughRat19

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Just finished creating my media hub faceplate/mounting bracket. I’m swapping in a console from a 2016 and for impatient with waiting on the 2017 Chrysler 200 media hubs to become available. I ordered a 5th gen hub and then attempted to make a faceplate/bracket to install it without having to do any cutting/modifying of the existing hub opening. Took me WAY longer than it should have as this was my first time making/3D printing anything but I think it came out pretty good!
 

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RedRamBrad

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Purchased a 4c upgrade kit from 4th gen mods for my 2014 express with the 5in radio. After getting everything installed everything works except the ac will not run.

I have checked all blend doors for proper operation and they move to the end of their limits from hot to cold, floor to defrost, and recirc.

My kit came with with the 2018 hvac module 6836 6552 AA and the truck already had the 7 speed fan.

When plugging in the old hvac controls everything works as it should.

Any ideas as to why the ac compressor won't start on ac, max ac, or defrost?
20220802_205244.jpg
 

Mpgrimm2

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@RedRamBrad ... No response from 4th Gen Mods I take it?

How long has the radio been installed?
Looks like it's still showing dual zone ATC and perhaps hasn't finished it's reset/ reconfigured itself yet... Once it does, you may see the temp blend Door issue.

Do you have the SXM Button on the main audio/media screen and does the backup camera work yet when in reverse?

Until the radio finishes it's reset it's hard to know for sure... But if it still has the issue, it's most likely either the harness or HVAC module. Any idea if the HVAC module was new vs used?
 
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RedRamBrad

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The picture is from when I first installed it. I have configured it multiple times through alfa obd to dual atc, single atc, and back to manual single, with a battery disconnect and time between each try. It has been in the truck a few days and is currently setup as manual climate and backup camera working so it should be fully loaded.

An no response from 4th gen mods.....
 

Mpgrimm2

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Also check the conversion harness & HVAC module connectors for bent pins/terminals or not locked in/pushed out the back
 

RedRamBrad

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Also check the conversion harness & HVAC module connectors for bent pins/terminals or not locked in/pushed out the back
What pins should I be checking? I didn't see any bent or dislodged ones, but if I know which pins they are I can check for continuity.

The hvac controller was brand new in box.

If it isn't a connector issue what else should I be looking for?
 

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Check the white 24 pin connectors of the harness and HVAC module, & truck side connector.
Diagram may help... Check 10A clutch fuse F63. Not likely the issue if it works with the original system.
 

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Mpgrimm2

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What pins should I be checking? I didn't see any bent or dislodged ones, but if I know which pins they are I can check for continuity.

The hvac controller was brand new in box.

If it isn't a connector issue what else should I be looking for?
See post 2 of the 8.4 Conversion thread if you want to verify continuity of the basic harness.

Edit:
Pin 8 at the HVAC module is the compressor control output (goes back to pin 10 at the truck side connector via conversion harness).
 
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RedRamBrad

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After looking through a bunch of diagrams and looking through my harness I noticed pin 10 for the ac compressor was in pin 11 at the harness. Swapped and everything works great.

Thanks Grimm for all the help figuring this out!

The brown wire on this connector is in pin 11. Should be in pin 10.
20220804_222423.jpg
 

gtannos

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can I use this radio in my 2015 ram 1500 ?
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