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DIY: 2013+ RA3/RA4 8.4" Radio Conversion Upgrade


This is a discussion on DIY: 2013+ RA3/RA4 8.4" Radio Conversion Upgrade within the 4th Gen DIY forums, part of the 4th Gen : 2009 - Present category!
This thread has been created to show how to perform the 8.4 head unit upgrade project. Originally Posted by Mpgrimm2 ...


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Old 12-27-2015, 10:47 PM   #1 (permalink)
 
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Default DIY: 2013+ RA3/RA4 8.4" Radio Conversion Upgrade
This thread has been created to show how to perform the 8.4 head unit upgrade project.

Originally Posted by Mpgrimm2
Managed to re-create the deleted thread posts from googles cached pages with help from 1500ram12!

I take NO credit for any of this, just wanted to sum this info up for everyone here. All credit goes to Getupkid, Duneflyer, Mondo161, Cptwing, PJW67, and others for getting this project started and all their research.

Be sure to thank Cptwing and Indaram for these original posts wherever you see them as well as the original folks who did all the work to figure this out...

(again, I had nothing to do with it, I'm merely the tech secretary here that still had some files!)
Originally Posted by Indaram
Original post recreated/edited below
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Last edited by MADDOG; 12-25-2016 at 12:57 PM.
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Old 12-28-2015, 08:51 PM   #2 (permalink)
 
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Converting a 2013+ (thru 2016) RA1/RA2 MTC bezel
with 7 speed blower
to a RA3/RA4 MTC bezel and Radio.


Originally Posted by Indaram
Original post recreated/edited below
NOTE:
There is a confirmed working mod for those that have a 4 speed blower, see Cptwing's posts 3-8 for extra steps/parts for a 4 speed fan conversion.

Parts Required For MOD:

01. 8.4 Uconnect Radio (VP3/RA3 - Non-Nav) or (VP4/RA4 - Nav)
** For Compatible RA4 Radios see here. **Check car-part.com, Schram, ebay, etc.

02. SINGLE ZONE OEM 8.4" (MTC) BEZEL: 1UJ96DX9AF (AC, AD, AE, etc)
** Optional: DUAL ZONE 8.4" (ATC) BEZEL, while not preferred, will work. See post 16

03. Base to 8.4 Radio Conversion Harness (7 speed Fan specific models):
. . See below to make your own in standard or extended length
. . (or get one from: Mē Mods )

NOTE: See Posts 6 & 7 (from 4spd conversion) for pictures of factory HVAC Module location using extended harness.

04. HVAC Control Module: 68268186Ax (AB, AC, etc) (7 speed Fan specific models)
** (also replaces 68183973Ax, 68236772Ax, etc. See here)

05. 911 Error Fix/Cell Bypass Plug: (or SharkFin Antenna mod)
. . See note 1 (below) to make your own or get one from Mē Mods (or online elsewhere for more).

on Flickr

Quick Instruction Sheet References:
- 2013-2017 8.4 Conv for 7 Speed Fan Trucks 7-6-17.pdf <----- RECOMMENDED READING
- 2013-2016 Ram Radio Removal 6-27-16.pdf
- 2013-2016 Ram RearView Mirror (w/mics) Upgrade & Harness install 7-8-16.pdf

Originally Posted by Mpgrimm2;
Pre-install recommendation to save any headaches...

- pop the 8.4 radio in with the existing bezel to make sure it works.

- resistance check (ohm out with a meter) the conversion harness against the schematic below to make sure it's good to go. (Whether you purchase it or make it yourself, since they are handmade and mistakes do happen)
Optional parts (Verified for 2013-2016 trucks)
- RA2 style Manual Dim Mirror w/mics: - 68102484AA (Recommended) (2013-2016 Trucks)
. . . (Man. Mirror Mount Covers: Upper - 1ZA38DX9AA & Lower - 1YW11DX9AA )
. . or 911/Assist AutoDimming Mirror: - 68096091AF (Req's Sales Code) (2013-2016 Trucks)
. . . (AutoDim Mirror Mount Covers: Upper - 1ZA39DX9AA & Lower - 1YW13DX9AB )
. . or 911/AutoDim w/AutoHighBeam Mirror: - 68096094AA (Req's Sales Code)
. . . (AutoDim w/AutoHighBeam Covers: Upper - 1ZA39DX9AA & Lower - 1YW14DX9AC )
- Mirror Header harness (Standard): - 68207372AB
- Mirror Header harness (w/Clearance Lts): - 68186009AC
- Antenna Cable Body Cell & SDARS "QUAD/CREW" (Rear cab Ant): - 68148279AD
- Antenna Cable Body Cell & SDARS (Front Cab Ant): - 68148260AC
- Antenna Jumper Cable: - 68148258AD
- Shark Fin Antenna: - 5091278AC
- SD Card Media Hub: - 68096428AD
- VR/Phone Button (for steering wheel) - 56054449AA

NOTE 1:
You can omit the Antenna body cable, Antenna jumper cable, and shark fin antenna if you get a Bypass Plug from: Mē Mods)

Or you can make your own using the following parts (search ebay and amazon for these)
Farka D connector/Pigtail with 2 to 6 inch lead
10k Ohm Resistor with 5% tolerance, 1/2 watt.

Just solder one end of the resistor to the center wire and the other end to the wire shielding. Tape it up with electrical tape or heat shrink it.

A. RA4 Mod Before & After.jpg


B. Standard vs Extended Conversion Harness.jpg


Connectors & Pins to Make Conversion Harness
(Use attached wire diagram and pin-out below)
06. 24 Pin Connector 1: 1318917-1 TE Connectivity | Mouser
07. 24 Pin Connector 1 - (F) Sockets: 1123343-1 TE Connectivity / AMP | Mouser
08. 24 Pin Connector 2: 1376103-1 TE Connectivity | Mouser
09. 24 Pin Connector 2 - (M) Pins: 1376109-1 TE Connectivity / AMP | Mouser
10. 08 Pin Female - Connector: 30700-1081 Molex | Mouser
11. 08 Pin Female - (F) Sockets: 1393366-1 TE Connectivity / AMP | Mouser

Connector/harness Reference:
- 8 Pin Center Stack HVAC Conn 0307001081 AS-30700-000 Series Instruction Sheet.pdf
- 24 Pin HVAC TEconn 025series Instruction Sheet 411-5928_G4.pdf
- Cptwing's harness making notes at Post 9
- Mpgrimm2 Harness Soldering Notes at Post 13

12. 22 AWG stranded wire
.... (Short harness w/HVAC module behind radio bezel = approx. 18" lengths)
.... (Ext'd harness w/module at factory location behind pass. air vent/glove box = approx. 50" main & 18" 8pin lengths)


13. Crimp tool to crimp the pins on the wire. (Check Amazon & Ebay for wire and crimp tool)
.... See post 12 for some notes on possible crimpers.

Harness Pinout
24 Pin Connecter (2014)
Pin 01 to Pin 01 (Also needs to splice over to Pin 4 on 8 Pin Connector)
Pin 02 to Pin 02
Pin 03 to Pin 06
Pin 04 to Pin 05
Pin 05 to Pin 04
Pin 06 Blank
Pin 07 to Pin 13
Pin 08 on Moves to Pin 2 on 8 Pin Connector
Pin 09 to Pin 07
Pin 10 to Pin 08
Pin 11 Blank
Pin 12 to Pin 10
Pin 13 to Pin 9
Pin 14 to Pin 14 (Also needs to splice over to Pin 3 on 8 Pin Connector)
Pin 15 to Pin 15
Pin 16 to Pin 16
Pin 17 to Pin 17
Pin 18 to Pin 18
Pin 19 to Pin 19
Pin 20 to Pin 20
Pin 21 to Pin 21
Pin 22 to Pin 22
Pin 23 to Pin 23 (Also needs to splice over to Pin 5 on 8 Pin Connector)
Pin 24 to Pin 24 (Also needs to splice over to Pin 1 on 8 Pin Connector)

CptWing RA4 Conversion Harness layout - 7spd w/Mpg2 Edits 4-16-17.jpg

on Flickr

D. Reference for the different HVAC module pinouts per 2014 truck 1500 model:
2014 24 Pin HVAC C1 Conn Compare.jpg

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Last edited by Mpgrimm2; 07-06-2017 at 01:53 PM.
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Old 12-29-2015, 01:58 AM   #3 (permalink)
 
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Converting a 2013+ (thru 2016) RA1/RA2 MTC bezel
with 4 speed blower
to a RA3/RA4 MTC bezel and Radio.

Originally Posted by Cptwing
Original post recreated/edited below...

Its been quite a journey developing this harness along with Getupkid, Duneflyer, Mondo myself and several others. We now have a complete DIY solution for upgrading to the RA4 or RA3 from the RA1 and RA2 radios. The basic Radio is PNP now that we can use the 8.4 bezel and HVAC controls.

There are currently two factory setups for the hvac blower: the 7 speed and the 4 speed.

This is how I understand how the trucks were built, if they were equipped with the RA1 or RA2 radios.

2013 1500's have the 4 speed blower setup.
2013-2017 2500/3500's have the 4 speed blower set up.
2014-2017 1500's have the 7 speed blower set up
NOTE:
The conversion for the 7 speed factory fan set up while similar is different and involves not only a different HVAC module but the pinouts for the conversion harness are also slightly different.

Parts Required For MOD:

01. 8.4 Uconnect Radio (VP3/RA3 - Non-Nav) or (VP4/RA4 - Nav)
** For Compatible RA4 Radios see here. **Check car-part.com, Schram, ebay, etc.

02. SINGLE ZONE OEM 8.4" (MTC) BEZEL: 1UJ96DX9AF (AC, AD, AE, etc)
** Optional: DUAL ZONE 8.4" (ATC) BEZEL, while not preferred, will work. See post 16

03. Base to 8.4 Radio Conversion Harness (4 speed Fan specific):
. . See below to make your own in standard or extended length
. . (or get one from: Mē Mods )

04. HVAC CONTROL MODULE: 68105017Ax (AA, AB, etc) (4 to 7 speed Fan specific)
. . ** If you use the wrong module (ie xxxx8186Ax = no A/C, or xxxx8187Ax = No A/C & 6 vs 7 fan speeds)

05. Fan Motor Power/Resistor Harness: 68048906AA (Req's Modification)
. . (or see DeereGuy's write-up of 00R/T's notes to make your own at roll-up posts 1765-1766 or get one ready to go at Mē Mods)

06. 7spd Blower Resistor: 68048901AA (same as Denso PN 499300-2121) See ebay ad and Post 51 )

07. 911 Error Fix/Cell Bypass Plug: (or SharkFin Antenna mod)
. . See note 1 (below) to make your own or get one from Mē Mods.

on Flickr

Quick Instruction Sheet References:
- 2013-2017 8.4 Conv for 4 Speed Fan Trucks 7-6-17.pdf <----- RECOMMENDED READING
- 2013-2016 Ram Radio Removal 6-27-16.pdf
- 2013-2016 Ram RearView Mirror (w/mics) Upgrade & Harness install 7-8-16.pdf

Originally Posted by Mpgrimm2;
Pre- install recommendation to save any headaches...

- pop the 8.4 radio in with the existing bezel to make sure it works.

- resistance check (ohm out with a meter) the conversion harness against the schematic below to make sure it's good to go. (Whether you purchase it or make it yourself, since they are handmade and mistakes do happen)
Optional parts
- PLEASE SEE POST 2

NOTE 1:
You can omit the Antenna body cable, Antenna jumper cable, and shark fin antenna if you get the Bypass Plug from Mē Mods

Or you can make your own using the following parts (search ebay and amazon for these)
Farka D connector/Pigtail with 2 to 6 inch lead
10k Ohm Resistor with 5% tolerance, 1/2 watt.

Just solder one end of the resistor to the center wire and the other end to the wire shielding. Tape it up with electrical tape or heat shrink it.

Connectors & Pins to Make Conversion Harness
08. 24 Pin Connector 1: 1318917-1 TE Connectivity | Mouser
09. 24 Pin Connector 1 - (F) Sockets: 1123343-1 TE Connectivity / AMP | Mouser
10. 24 Pin Connector 2: 1376103-1 TE Connectivity | Mouser
11. 24 Pin Connector 2 - (M) Pins: 1376109-1 TE Connectivity / AMP | Mouser
12. 08 Pin Female - Connector: 30700-1081 Molex | Mouser
13. 08 Pin Female - (F) Sockets: 1393366-1 TE Connectivity / AMP | Mouser

Connector/Harness Reference:
- 8 Pin Center Stack HVAC Conn 0307001081 AS-30700-000 Series Instruction Sheet.pdf
- 24 Pin HVAC TEconn 025series Instruction Sheet 411-5928_G4.pdf
- Cptwing's harness making notes at Post 9
- Mpgrimm2 Harness Soldering Notes at Post 13

14. Wire 22 gauge 50.0 inches long QTY of 20
15. Wire 22 gauge 18.0 inches long QTY of 5
16. Electrical tape one roll should be enough
17. Wire ties
18. Heat Shrink
19. Solder/Soldering Iron
20. Split Wire loom or Nylon Braided Sleeving

Along with this you will need the following:
21. Wire strippers..
22. Crimpers double roll type recommend ratchet type
.... See post 12 for some notes on possible crimpers.
23. Heat gun
24. Small awl or similar tool to de pin connector

Here is a shot of every thing needed except that some tools are not shown.
dscn0418 - 4spd parts layout.jpg


The diagram shown below details the conversion harness and pinouts of the various connectors, what is not shown and will be addressed later is how part 1 above ties into it, at pin 17 on the module side.

CptWing RA4 Conversion Harness layout - 4spd w/Mpg2 Edits 4-16-17.jpg



And after a bit of work and eye strain your harness should look something like this

dscn0425 - Complete Extended 4spd Conversion harness.jpg
on Flickr
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Last edited by Mpgrimm2; 07-06-2017 at 01:56 PM.
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Old 12-29-2015, 02:05 AM   #4 (permalink)
 
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GetupKid's - DIY 5.0 to 8.4 Navigation upgrade within the 4th Gen DIY
Cached Pg 9

Code:
http://www.ramforum.com/f75/diy_5_0_8_4_navigation_upgrade-64564/index9.html
Originally Posted by Cptwing Post 85
Original post recreated/edited below
Next, the item 05. harness (purchased Fan Power/Resistor Harness) will need to be stripped down to retain only the needed parts. Here it is before mods...

dscn0471 - 68048906AA - Before - Fan Motor Power Resistor Harness.jpg
(updated picture, thanks JRG18) of the Fan Power Harness (as purchased) with added notes.


In order to prep the bought harness (item 05), we must de-pin connector i32A (mis-ID'd as 132A), to do this you need to remove (release position) the TPA (terminal position assurance) the red thing. Then using a small jewelers screw driver pry back the locking tab and pull out the wire and pin.

Here is the connector and TPA (From later pictures).


Here is the stripped down unpinned harness item 05, this is what you will use the rest will be discarded.
dscn0471 - 68048906AA - MODDED Fan Motor Power Resistor Harness.jpg


The stripped down Fan Power harness (item 05) connects to the fabbed Conversion Harness (item 03) on the HVAC module side using the DB/LB 16 gauge wire that goes to pin 2 in the resistor plug. I cut this wire to 25.0 inches long and crimped a female pin on it for the 24 pin connector and inserted it into cavity number 17. Note this is a 16 gauge wire and these pins are not designed for wire this thick so you will only be able to crimp the stranded wire into the pin and not the insulation. The other alternative would be to crimp a pin on a smaller 22awg or 24awg wire and solder them together (or butt splice=less reliable).

MPG edit: I think a 12" (i.e. 22Awg) pinned extension for pin 17 would allow better routing of the wire.
Also recommend not shortening the wires.

Next I cut the black ground wire coming out of the resistor plug to 20.0 inches long and crimped a 10 gauge ring connector onto the end and shrunk wrapped the connection.

The DB wire coming out of cavity 3 of the resistor plug is not to be cut. This wire is to be used to re-pin the existing i32A (prev. mis-ID'd as 132A) connector on your truck. I looped the excess wire back and taped it off.

. . (or see DeereGuy's write-up of 00R/T's notes to make your own at roll-up posts 1765-1766 or get one ready to go at Mē Mods)



Here is a diagram of how the harnesses are interconnected (thanks Mondo161):
2013-2016 8.4 Blower Mtr & 4Spd ConvHarness Connections - Mpg Edit.jpg



Here is the complete, combined and finished harness ready to be installed
MPG NOTE: You may find it easier to connect the fan harness' Pin 17 to the conversion harness after both are 99% installed
(its up to you)

dscn0494 - Cptwing - RA4 4spd Combined harnesses.jpg
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Last edited by Mpgrimm2; 07-05-2017 at 11:47 PM.
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Old 12-29-2015, 02:09 AM   #5 (permalink)
 
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Originally Posted by Cptwing POST 88.5 Mpgrimm2 Edit
Original post recreated/edited below
Now for the install,

First disconnect the battery, remove the following; center stack (and radio for access), cardboard bottom located under lower glove box, lower glove box and upper glove box cavity (door does not need to be removed), passengers side kick panel and passengers side dashboard end trim piece.

Note: Removing/Installing the radio and bezel are not covered here as there are several places on YouTube/internet that cover it (Separate instruction sheet available in post 3).

Mpgrimm2's panel/prep notes:

Radio C1 Connector Latch


Once the center stack and RA1/RA2 are removed, you will need to swap out the old bezel/HVAC controls for the RA3/RA4 (8.4A/AN) bezel. Set this aside until later.
8.4 Bezel Back2


Lower Glovebox release and HVAC Module Passenger Side dash cover
Glovebox & Side Panel


Passenger Side Kick Panel/Door Sill (PAY ATTENTION)
20160102_153909_HDR
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Last edited by Mpgrimm2; 07-05-2017 at 11:57 PM.
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Old 12-29-2015, 02:21 AM   #6 (permalink)
 
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GetupKid's - DIY 5.0 to 8.4 Navigation upgrade within the 4th Gen DIY
Cached Pg 9

Code:
http://www.ramforum.com/f75/diy_5_0_8_4_navigation_upgrade-64564/index9.html
Originally Posted by Cptwing POST 88
Original post recreated/edited below
Now for the parts install...

To install module slide it in through the lower glovebox cavity and position the two hex head screw into the keyhole cut outs in the dashboard sub structure and slide forward and tighten see below.

Make sure to orient with plug farthest forward to clear lower glove box when operating, see 3rd photo on this post.
HVAC Module and Factory Location.jpg (Notice the two key hole slots)


Resistor & HVAC Modules factory locations.jpg


Now to install the harness we have to first replace the existing resistor with the new one (part 3), remove the 2 phillips head screws securing the existing one and replace it with the new one using the existing screws.

Here is the existing resistor prior to removal
20160102_122844.jpg


And here are the two resistors...

Mondo161 Manual 4 Pin Fan Resistor 2015-03-07 2023_52_27.jpg


Mondo161 7spd AUTO FAN ModuleResistor 2015-03-07 2023_52_01.jpg


Mpgrimm2 7spd Blower Resistor 68048901AA w Denso PN 499300-2121.jpg


I took this picture while mocking up the harness.
dscn0427 - Module & harness testing.jpg



CONTINUED ON POST 89
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Last edited by Mpgrimm2; 07-06-2017 at 12:36 AM.
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Old 12-29-2015, 02:24 AM   #7 (permalink)
 
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GetupKid's - DIY 5.0 to 8.4 Navigation upgrade within the 4th Gen DIY
Cached Pg 9

Code:
http://www.ramforum.com/f75/diy_5_0_8_4_navigation_upgrade-64564/index9.html
Originally Posted by Cptwing POST 89
Original post recreated/edited below
Now to install the harness; unplug the existing connector from the motor and tape it off along with the existing resistor plug they will not be used. Then uplug connector i32A (prev. mis-ID'd as 132A) and replace the wire located in cavity 7 with the one in the new harness, this is the 10 gauge wire you unpinned from part 1.

Reference Locations:
20160102_122948


Connector i32A Before:
20160102_123220.jpg


Backside view of i32A-7:
20160102_123345.jpg


Connector i32A - TPA lock and Pin7 Release point:
132A Locks.jpg


Connector i32A with pin 7 wire removed
20160102_123953_HDR.jpg


Heat shrink label
20160102_125520.jpg


Old i32A-7 taped out of way:
20160102_130345.jpg


Here is connector i32A after I switched the wire in cavity 7
20160102_140440.jpg


Attach black 10 gauge ground wire ring terminal to body bolt location as indicated earlier.
dscn01000.jpg


Plug new harness into resistor and motor.
dscn0497.jpg
Here is the new fan harness and upgraded resistor to enable 7 speeds.
(NOTE: The split wire loom will protect the wires from damage by nearby bolt/threads)
20160102_140544.jpg



Plug harness into module and begin routing it to radio bezel along the same route as the existing body harness and SDAR / Cell antenna leads. The new harness is shown wrapped in corrugated split loom.
dscn0502.jpg

dscn0463 - - Factory HVAC Module Location Inside View.jpg
20160102_144648.jpg


dscn0462 - Extended Harness Routing.jpg
20160102_144733.jpg


Another view as routed, looking through the upper glove box.:
20160102_144829_HDR.jpg



CONTINUED ON POST 90
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Last edited by Mpgrimm2; 07-06-2017 at 01:06 AM.
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Old 12-29-2015, 02:28 AM   #8 (permalink)
 
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GetupKid's - DIY 5.0 to 8.4 Navigation upgrade within the 4th Gen DIY
Cached Pg 9

Code:
http://www.ramforum.com/f75/diy_5_0_8_4_navigation_upgrade-64564/index9.html
Originally Posted by Cptwing POST 90
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:
20160102_144747.jpg


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.
dscn0430.jpg


And here is the finished job! Every thing on the bezel works as it should. Works perfectly!
20160102_164049.jpg


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
20151230_102608.jpg


Here is a before shot with OEM bezel (Radio Testing)
20151230_105421.jpg
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Old 12-29-2015, 02:45 AM   #9 (permalink)
 
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Indaram's - DIY - OEM 5.0 Radio to 8.4 Radio Upgrade
Cached pg 5
http://www.ramforum.com/f75/diy_-_oe...96/index5.html

Cptwing's notes for making the conversion harness

Originally Posted by Cptwing
First let me say I am no wiring GURU either! But I want to play one on TV.

The numbers are embossed on the connector shells, they are very small and depending on your age and eyesight you may need to use magnification to see them. Not all the cavaties are numbered just the outside 4 on any given connector, but they run sequential. The 8 pin connector is top row 1 thru 4 and bottom row 5 thru 8. For the 24 pin connector shells the top row is 1 thru 12 and the bottom row is 13 thru 24.

If your vision is normal, I would still recommend a nice pair or magnifying glasses to make thing easier on yourself, these connectors and pins are very small and the extra seeing power will come in handy.
,
As you say it is easy enough, the big key is having the correct crimping tool. The cheap crimping tool that come in the Walmart and Benny's kits will not work. The crimps need to be formed into a double roll, if you just squish them like the cheap crimp tools do they will not fit into the connector shell cavities.

I highly recommend a ratchet type crimper, these are the crimpers I used, they work perfectly, have great reviews and are not that exspensive.
http://www.amazon.com/Iwiss-Crimping...molex+crimpers

crimpers.jpg

First remove aprox 1/8 inch of insulation from the wire
Second click the crimper until it just holds the pin in the jaws
Third slide the wire into the terminal pin until it seats and the insulation is inside the pin...
...Note these pins have two separate crimping sections which crimp simultaneously one the inner one is for the
...actual lead and the outer one is for the insulation.
Fourth squeeze the crimping pliers completely in one steady even motion.

The dies in the jaws of these crimpers are for different wire gauges, in addition each of those is a two section die, one is for the crimp with the just the wire and the other is for the crimp with the wire and insulation. In other words they are meant to be used one way, always slide the pins in from the side. The pins are inserted in the jaws from the side shown in the above picture.

Buy extra pins and do a few practice ones. The pins are very cheap, but the shipping is no, having to place an order for more pins would suck.

You could use quick splices, I assume you mean the 3M quick taps I would rather solder and heat shrink them for a more reliable connection, the 3M quick taps are also bulky as you would need to use 5 of them.
Indaram's - DIY - OEM 5.0 Radio to 8.4 Radio Upgrade
Cached pg 5
http://www.ramforum.com/f75/diy_-_oe...96/index5.html

Originally Posted by cptwing
Ok I finally figured how to take macro pictures with my camera. So I thought I would share some information and examples of crimping pins and how to identify the cavity numbers on a connector.

Here is a picture of the 8 pin plug that plugs into the radio\hvac bezel along side it is a 20 gauge wire crimped into a pin, not this pin is not for this connector (it is actually for the 3rd brake light connector) , but this gives you an idea of the size.
dscn0818.jpg


Next we have a close up shot of that pin along side another pin crimped to 18 gauge wire that is used for the overhead map lamps, notice how the crimps are formed into a double roll and the insulation is crimped separate from the stranded wire. One of these is a factory crimp and one I did using the crimpers in the above post. I did the black one, which in my opinion is actually a better crimp notice the roll on the insulation of the two.
dscn0822.jpg

Next is an isometric shot of the 8 pin plug, the red piece is called the TPA (Terminal Position Assurance) or secondary lock. It actually has 10 slots, the outside 4 slots are used to access the locking tabs if you need to remove it. as pictured the TPA is in the unlock position, after all the wires are inserted into the various cavities it is pushed it and locks in place. Note not all connector shells use these, the 24 pin connector shells used to make the rest of the 8.4 conversion harness do not have them.
dscn0826.jpg

Next we are looking down on the connector TPA side which is the end that plugs into the bezel. Notice the numbers 1 and 4 on the top row and 5 and 8 on the bottom row.
dscn0824.jpg

Next we are looking up at the connector cavity side which is the end that the wires are inserted into. Notice the numbers 1 and 4 on the top row and 5 and 8 on the bottom row.
dscn0825.jpg
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Last edited by Mpgrimm2; 01-10-2016 at 12:05 AM.
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Old 12-29-2015, 02:51 AM   #10 (permalink)
 
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Join Date: Mar 2014
Location: GreenVille SC
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Ram Year: 2013 SLT Crew
Engine: 3.6L V6 Pentastar
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Indaram's - DIY - OEM 5.0 Radio to 8.4 Radio Upgrade
cached pg2
http://www.ramforum.com/f75/diy_-_oe...96/index2.html
Originally Posted by Cptwing
The RA3 and RA4 radios contain a sierra wireless aircard (cellphone), used to talk to 911 and uselessconnect. Since your current radio RA1 or RA2 does not have that capability your current antenna does not have the cellular antenna in it.

The one you currently have is called a puck and has one plug used for GPS and XM. The sharkfin has 2 plugs the other being for cellular.

Without the extra cellular antenna the RA3 and RA4 radios will flash an error stating that the vehicle phone needs to be serviced.

Replacing the antenna and leads is more expensive and difficult, so most opt for the dummy antenna as seen on OEMautoparts co. Many on here have made their own dummy antennas.

The benefit I have gotten out of adding the sharkfin is:

With my 2014 radio
911 works
Yelp works

With my 2015 radio
911 works
Yelp works
Roadside assistance thru Ram works
Registration screen comes up and phone dials and connects but I hung up not knowing what they could do to screw up my radio.
Mpg2 Edit:
Reference for the 8.4 Radio Connectors
Ram 8.4AN RA4 Back Connectors.jpg


Indaram's - DIY - OEM 5.0 Radio to 8.4 Radio Upgrade
Cached pg 4

http://www.ramforum.com/f75/diy_-_oe...96/index4.html

Originally Posted by Cptwing
Yes the dual auto climate bezels will work, but will function as single zone manual climate control. Only the drivers side temp button will function and the auto function will not work. But besides that it will function the same way.

When I bought mine I paid 75.00 on ebay, for a complete center stack out of a bighorn, including lower switches, brake controller switch, tranny 4x4 switch etc and it was like brand new. This was a while back though when we were trying to figure out how to make this work. Anyway schramm had a bunch awhile back. I have a like new dual zone I might sell if you are interested pm me.
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Last edited by Mpgrimm2; 07-06-2017 at 01:28 AM.
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