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Paddle Shifter Mod

25K views 89 replies 24 participants last post by  gitrdun 
#1 · (Edited)
#2 ·
we allow any links except to the shithole known as SJ. I'm gonna take a look at this...sounds awesome! I hate having t use the shifter...so I dont!
 
#9 ·
Post pics? ^^^^^^^^^

That should go without saying.....

I drove my Dads new S550 last night, the paddles are the same as in the write up, Soooo much more fun than the console shifter!
 
#11 ·
that would be amazing. i have all ways wished my XJ had a standard transmission. there was one i looked at that was it was a black 99 two door 4.o but needed major body work and engine work. later on the motor dies it will be replaced with a standard trans and maybe a 360 IDK yet.

ide like to see a wk with the paddles that would be mint!
 
#13 ·
that would be amazing. i have all ways wished my XJ had a standard transmission. there was one i looked at that was it was a black 99 two door 4.o but needed major body work and engine work. later on the motor dies it will be replaced with a standard trans and maybe a 360 IDK yet.

ide like to see a wk with the paddles that would be mint!
I was thinking that you could convert the raido controls (on the back of the steering wheel) to control the transmision.

Denny-gonna go with the wranglers 6-speed?
 
#15 ·
The only thing I see that would stop this mod from happening is the extra 2 contacts in their steering column clock spring, does anyone know if we have these?

Anyone work at a dealership and have access to some wiring schematics, or have torn their steering wheel/column apart?

If we have those 2 extra contacts we are gravy! I'll have to look at the room behind there as I know mine has all the controls behind there also. If there is room I'm doing this Mod.

Escape
 
#16 ·
how bad do i want that on my WJ.. droooool
 
#23 ·
mine has the 5-speed auto in it, the the 'second' second gear and all that.. ya but in our WJ that mod would be next to impossible with out some crazy customization
 
#24 ·
Almost 3 yrs old and I'm raising this thread from the dead.

I shall pose the question...Is it possible to put the WK2 SRT8 steering wheel on the WK1? I intend to find out and I will make it work!

This brand new 2012 SRT8 steering wheel showed up today.





I am currently mapping out the connectors and pins to see what goes where and connects to what on the SCM (steering control module). Here is the 05 wiring diagram and according to it there are 2 unused pins (1 and 4).



I intend to use these pins (1 and 4) as the up and down shift for the autostick and use the ground already there (pin 5) to complete the circuit. This will make the paddles functional when wired to the ESM. When using the Autostick feature all you are doing is grounding the signal wire, which completes the circuit and makes the trans shift.

Tomorrow I will acquire the wiring diagram for the 2012 and compare the 2 and iron out all the electronics.

Next step after that is to check the steering shaft splines and see if it fits the new WK2 wheel. As retooling would be very expensive I have high hopes that Chrysler kept it the same. We will soon find out.

I do have a question for those that have swapped their WK2 wheel to the WK2 SRT8 wheel. What is this gray thing in the pic below and did you have to swap it over to your new wheel?



Pic borrowed from this thread by SixZeroFour: http://jeepgarage.org/showthread.php?t=31159&highlight=paddle+shifter

A thanks goes out to moosehead for his pics in the thread above.

Stay tuned!
 
#26 ·
dude, you're putting a WK2 SRT8 wheel on to a WK ??
Yup! Mapping out the connections as we speak.

oh man, i REALLY would like to see this actually become reality. Definately worth bringing this thread up from the dead :lol:
One way or another it's going to be a reality. I just hope it's rather easy vs hard and expensive. Either way it's going to be a Kick-ass mod.

Both Clocksprings have 12 pass through connections, so we are golden there.

Here is what the 05 has in no particular order:

4 Driver Squib circuits= dual stage drivers airbag system (Squib 1 and 2, dual lines each)
3 S/C circuits = cruise control buttons
1 empty circuit space in the 05's
2 Horn circuits
2 Radio control MUX circuits

I will have to test the resistance stepping on the MUX circuits as well as the S/C circuits and others to see if it matches the 05 circuits resistance. If it is the same then we are golden. If not, time to source some parts. No worries though I got the hookup on that.

Looks like once I have the 2012 diagram tomorrow me and my Ohmmeter are going to be putting in some quality time.
 
#30 ·
congrats james awesome!!

have you buy the wk2 srt wheel with the airbag and this connector well fitt?

about the paddle shifter i have make the same mod on my 300c with the harness from plcman, when we have 2 pins empty this would be great and can work!!

you can order the cable kit here

http://www.wlsmithelectronics.com/p...ge&category=1&SessionID=52b725bf4fb2298481153


this mod are awesome.........and with the sharadon stage 3 tranny just perfect:)
 
#31 ·
Thanks Marco and Matt!

Ideas and theories are still evolving.

As I was digging more into the 2005 wiring I have discovered that I do not even need to mess with the shifter module or the shifter itself. I just need to tap into the autostick sense circuit at the PCM/TCM (as it is combined in the 05) and supply it with the proper voltage to get the desired response. Makes it way easier! Should be able to do this with 1 pin through the clock spring as it already has a voltage feed. I just need the proper voltage out to the PCM/TCM.

The AutoStick Switch is located in the Shift Lever Assembly (SLA). The gear requested by the AutoStick selection is then sent over the AutoStick Up/Down sense circuit to the PCM to engage the requested gear. Normal AutoStick​
voltages are: Down = 0.71 to 1.11 volts, Up = 2.02 to 2.41 volts.


On a 2005 JGC PCM (C3) pin 27 is the autostick sense circuit - T5 20gauge DG/YL wire. Put the correct voltage to this circuit and we have the ability to shift.

I should put this in there as a disclaimer: Idea's are still evolving and being tested. I will do a full write up once completed and functional.

Remember this is on a 2005 JGC 5.7L HEMI with QD2 so check your wiring diagrams first as you are messing with VERY expensive parts (clock spring, PCM/TCM, SLA and Transmission to name a few)! I am doing this to mine with the info I have for my Jeep. If you choose to do this also please double check all your and my info as your Jeep may be different.

I am not responsible for you turning your Jeep in a Lawn Ornament!

Anyone have a 2012 SRT8 Service Manual so I can cross reference circuits, signals and voltages for the paddles and other steering wheel controls?
 
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