HOW-TO: S14 digital climate control installation - Page 2 - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

projectRDM · 06-19-2007, 09:18 PM

I'll detail it better, since you guys keep talking about me.

Basically what I did and suggested in my old writeup as well as numerous posts since is this:

Take the JDM dash harness out of the clip and lay it all out, unwrapped and without any tape. Trace all the plugs you'll need for the climate control and tape them off. Everything will tie in together except for the few leads that aren't used in the US harness. In most cases you'll find other wiring running through some of the harness you'll need (cluster, radio, etc), just cut those until you've got the entire climate control harness separated from the rest of the dash harness. You'll then only need to cut the illumination lead (black on JDM, but it goes to red/yellow in the US), orange/green (+12V constant lead) , and the two large blue/whites for the blower motor that go to the control head, thus removing it entirely from the dash harness. You now have a subharness that will plug in to all the existing motors and the added sensors, with no rewiring except for the additional ones mentioned above. Leave all the US plugs alone and tape them up in the harness.

While that sounds completely logical to me, if anyone has questions go ahead and ask and I'll try to be more remedial with my explanation.

RUTH'LESSDET · 06-20-2007, 09:11 AM

excellent post

S14Serge · 04-19-2009, 12:04 PM

Dam bro that is a fresh write-up man thanks!

Bandwagon240sx · 06-20-2007, 08:59 PM

Thanks Russ. That makes sense to me. Only problem is that I don't have the dash harness out of a clip. Guess I'm back to square one. Of course, this whole project is hinging on whether this guy on ebay will actually accept my payment and ship the DCC.

Bandwagon240sx · 06-25-2007, 06:01 PM

I recieved my DCC unit and harness today. I am confused without a doubt now. Most of the colors listed in your chart don't even come close to what my harness has. I downloaded a PDF of the JDM manual and from what I can tell your harness matches the manual pretty well. Is it possible the guy on ebay sold me the JDM DCC with some other harness that plugs in? Like maybe for a maxima DCC or something? It had a sunload sensor attached to the harness and it also came with another sunload sensor which had the round plastic cover on it. the sunload sensor harness for example has 2 wires, one is green/yellow and the other is light green/black. Attached to that is about a 6 inch connector for a different sunload sensor with the colors black, and orange. If I remove the SS with black and orange, the other SS will plug right into the G/Y and LG/B however neither of those colors are for the SS sensor according to your site or the manual. Here are some pics (not good ones, i'll take more later if nec.) from the guy on ebay that sold it to me. What are your thoughts?

http://www.jdmmarket.com/boomer/s14%...ate%20control/

Bandwagon240sx · 06-25-2007, 06:15 PM

After looking at the FSM a little more, it appears it is definately the wrong harness. There are pins on the 20 pin harness that should have connections that are empty on my harness. Wrote a letter to the ebay guy, this sucks. Good thing his business is only 2 hours from me

Petoria · 06-25-2007, 06:39 PM

That looks great. Just wondering how well you think the dcc would work without AC installed.

chuonthis · 06-26-2007, 12:58 AM

Quote:

Originally Posted by Petoria

That looks great. Just wondering how well you think the dcc would work without AC installed.

It should be fine since you can have it on auto-temp with the AC off. But don't expect it to lower the temps when it's hot outside; it'll just turn the blower to full power and you'll get a faceful of hot air.

Bandwagon240sx, in the worst case, if the plug you can try to repin the 20-pin harness and then figure out the wiring by pin position instead of colors. From the pictures, it looks like you have a correct fan control amp and sunload sensor, so you just need the ambient and in-cabin temp sensors (and the fan control amp mounting shield). Those sensors can be pulled from several donors. Anyway, good luck dealing with the seller.

projectRDM · 06-25-2007, 06:54 PM

Quote:

Originally Posted by Bandwagon240sx

After looking at the FSM a little more, it appears it is definately the wrong harness. There are pins on the 20 pin harness that should have connections that are empty on my harness. Wrote a letter to the ebay guy, this sucks. Good thing his business is only 2 hours from me

He killed you, that's an S13 DCC harness. Completely useless to you. The ambient temp sensor is also wrong, that's a US S13 sensor, nothing remotely like the JDM S14 piece.

Bandwagon240sx · 06-25-2007, 08:47 PM

Thanks Russ, I'll be sure to let him know that in person. Stay away from "JDM Market" on ebay.

Bandwagon240sx · 08-10-2007, 04:10 PM

Well its been a couple months but just an update, I was able to get my money back on the whole transaction, including shipping. The guy that setup that auction was new there, and got fired apparently during my whole ordeal or right before. Once I was able to speak with someone else there I got a refund. I'll attempt the JDM DCC sometime in the future, just not sure when.

dohctwinn1 · 03-18-2008, 10:25 AM

Quote:

Originally Posted by chuonthis

I finally got around to putting together a how-to for the S14 digital climate control installation. I'm posting it on my website in case this thread ever gets lost. Let me know what you guys think or if there are any problems/questions.

http://www.chuonthis.com/cars/s14-dcc/

hey Chu, i just bought the full harness for the dcc swap.... its got a bunch of other connections on there that i dont need. is it best to untape the entire thing and just keep the connections that i need? also, i have all of the JDM lift motors and sensors so should i replace the USDM motors w the JDM? lmk thx

chuonthis · 03-18-2008, 09:03 PM

I'd untape the harness to keep things clean and tight. The USDM motors work just as well as the JDM ones, plus you won't be able to use the JDM air mix door motor because it's reversed (unless you make an adapter like Russ to unreverse it). The only exception might be the intake door motor. The USDM one only has 4 wires coming from the connector but the JDM one has 6. The harness should plug in and work fine though.

dohctwinn1 · 03-20-2008, 05:30 PM

thx much!! can't wait to screw something up!..

dohctwinn1 · 03-23-2008, 10:27 AM

and to the asshole who gave a negative to me... thanks brother! "im 6 months too late fucktard" if you saw when i joined and posted it was just recently moron. this info was helpful to me 6 months later as it will be to others dipshit. your probably just pissed b/c you're too much of a retard to wire a few plugs up yourself. fuck off!

projectRDM · 03-23-2008, 11:52 AM

Quote:

Originally Posted by dohctwinn1

and to the asshole who gave a negative to me... thanks brother! "im 6 months too late fucktard" if you saw when i joined and posted it was just recently moron. this info was helpful to me 6 months later as it will be to others dipshit. your probably just pissed b/c you're too much of a retard to wire a few plugs up yourself. fuck off!

You're welcome. And no, I'm not pissed, I was the first one to do this shit nearly ten years ago and contributed heavily to this thread. You know, back when you were still reading comic books?

dohctwinn1 · 03-23-2008, 08:24 PM

lol. internet tuff guy.... i'm 30 fuckstick!

go play in traffic

JRwerks · 03-23-2008, 10:50 AM

+rep i wish someone would make a writeup one that easy for a s13 digital climate control...

bigOdom1 · 03-23-2008, 08:36 PM

then you are old enough to
1. not post bullshit in old ass threads lest it is relevant
2. +understand that your internet reputation is as fucking serious as catching a case of AIDS+
you catch more flies with honey than vinegar so quit pissing into the wind

dohctwinn1 · 03-26-2008, 06:28 PM

Quote:

Originally Posted by bigOdom1

then you are old enough to
1. not post bullshit in old ass threads lest it is relevant
2. +understand that your internet reputation is as fucking serious as catching a case of AIDS+
you catch more flies with honey than vinegar so quit pissing into the wind

go pass your lame quips off on your bud. seems he needs the adjustment, not me.

dohctwinn1 · 07-14-2008, 08:16 PM

there is something incorrect about the wiring on this write up, everything else looks correct except the wiring.

i have wired this and taken it apart 5 different times and the only ppl who actaully have it working is Russ and Turstin that i ever heard of and both of them used the JDM harness... not Jasons wiring.

make me eat my words, if anyone else has successfully wired the s14 DCC up with this write up using JDM and USDM wires then speak up. otherwise someone should double check the wiring section.

fbiphil · 03-23-2008, 08:53 PM

Great writeup- I hadn't seen this before, so I guess it's good that it's been resurrected...
Just to verify- there isn't a way to change the S14 or S13 digital display to show in Fahrenheit, is there?
Not that it's a big deal, but it would be nice...

slidewaysmn · 07-14-2008, 08:21 PM

Sick write up +1 for you!

heyitzalan · 08-24-2008, 07:12 PM

i've found your mistake on the pin out dude. defroster vent + and -, u did a mess up on that. jdm pin 5 go to usdm 8, and jdm pin 6 go to usdm 7.

because jdm pin 5 is + def - vent, usdm pin 8 match the jdm pin 5.
and jdm pin 6 is - def +vent, usdm pin 7 match the jdm pin 6.
i read everything accord to jdm fsm and usdm fsm. you don't always match those wires. fsm is the truth. i never follow anyone's write up.

Andres_G · 09-11-2009, 08:35 PM

Quote:

Originally Posted by heyitzalan

i've found your mistake on the pin out dude. defroster vent + and -, u did a mess up on that. jdm pin 5 go to usdm 8, and jdm pin 6 go to usdm 7.

because jdm pin 5 is + def - vent, usdm pin 8 match the jdm pin 5.
and jdm pin 6 is - def +vent, usdm pin 7 match the jdm pin 6.
i read everything accord to jdm fsm and usdm fsm. you don't always match those wires. fsm is the truth. i never follow anyone's write up.

Quote:

Originally Posted by chuonthis

^Umm...that's what I have in my write up. JDM 5 to USDM 8 and JDM 6 to USDM 7. Maybe you're reading the table wrong? I didn't change anything.

This guy was on the right track.......but didn't quite get there.
Was going over the FSM's and I've found a couple of things that I thought you guys should know about the write up.

Text that is in bold/italics/underlined is the way it should be.

JDM#----JDM color----USMD#----USDM color----Purpose/notes
1---------R/B----------19---------PU---------------OPEN/+CLOSE
2---------R/Y----------18---------LG/W-----------+OPEN/-CLOSE

JDM#----JDM color----USDM#----USDM color----Purpose/notes
5---------G/Y ---------7(seven)---G/OR----------DEF/+VENT
6---------G------------8-----------G/Y-----------+DEF/-VENT

I'll be doing this sometime, so I'll probably be in here asking some noobie questions if I can't figure it out.

chuonthis · 08-25-2008, 12:59 AM

^Umm...that's what I have in my write up. JDM 5 to USDM 8 and JDM 6 to USDM 7. Maybe you're reading the table wrong? I didn't change anything.

I did change one thing recently that dohctwinn1 helped me find. I typed the wire color for USDM 1 wrong (I typed L/R instead of L/OR) and corrected it a couple months ago. The other thing that he helped me figure out was that koukis don't have a thermo control amp so the JDM AC signal wire goes straight to the ECU. I haven't updated the write up for that yet.

dohctwinn1, sorry we couldn't get your setup going. I'm thinking you still have some wires mixed up and it's pretty difficult to tell what the problem is. Sorry I never took a good picture of my wiring but I might have some time soon to take one. I don't think it'll help though cuz I'm thinking you might be confusing some of the wire colors (like R/L vs. L/R or something).

heyitzalan, let us know how your experience goes and tell me if you were able to follow the rest of the write to get it working (or if there are other parts of it that you disagree with).

yuanchen · 10-20-2008, 02:11 PM

The instruction is gone, can you repost ?
It said 404 not found
Thanks

chuonthis · 10-21-2008, 01:10 PM

It's back up. I had some web server issues.

yuanchen · 10-22-2008, 08:58 PM

Quote:

Originally Posted by chuonthis

It's back up. I had some web server issues.

excellent post

Thank you

soldiaboy · 10-22-2008, 09:04 PM

excellent post my friend

how hard would you rate the install 1-10?

06-19-2007, 09:18 PM	#1
projectRDM Post Whore! Join Date: Dec 2002 Location: Atlanta Age: 51 Posts: 13,812 Trader Rating: (12) Feedback Score: 12 reviews	I'll detail it better, since you guys keep talking about me. Basically what I did and suggested in my old writeup as well as numerous posts since is this: Take the JDM dash harness out of the clip and lay it all out, unwrapped and without any tape. Trace all the plugs you'll need for the climate control and tape them off. Everything will tie in together except for the few leads that aren't used in the US harness. In most cases you'll find other wiring running through some of the harness you'll need (cluster, radio, etc), just cut those until you've got the entire climate control harness separated from the rest of the dash harness. You'll then only need to cut the illumination lead (black on JDM, but it goes to red/yellow in the US), orange/green (+12V constant lead) , and the two large blue/whites for the blower motor that go to the control head, thus removing it entirely from the dash harness. You now have a subharness that will plug in to all the existing motors and the added sensors, with no rewiring except for the additional ones mentioned above. Leave all the US plugs alone and tape them up in the harness. While that sounds completely logical to me, if anyone has questions go ahead and ask and I'll try to be more remedial with my explanation. __________________ FORMERLY R240NA Learn what's really going on and protect your assets now before they're gone forever: www.paypalsucks.com Last edited by projectRDM; 03-23-2008 at 11:55 AM..

06-20-2007, 09:11 AM	#2
RUTH'LESSDET Zilvia Addict Join Date: Jan 2003 Location: NYC Age: 45 Posts: 905 Trader Rating: (1) Feedback Score: 1 reviews	excellent post __________________ 91 Sil80-Sold, LS2 Powered 1997 240sx-Traded, 2005 350z-Sold, Whats next?

06-25-2007, 06:01 PM	#5
Bandwagon240sx Join Date: Jun 2007 Location: Gainesville, Fl Age: 46 Posts: 12 Trader Rating: (0) Feedback Score: 0 reviews	I recieved my DCC unit and harness today. I am confused without a doubt now. Most of the colors listed in your chart don't even come close to what my harness has. I downloaded a PDF of the JDM manual and from what I can tell your harness matches the manual pretty well. Is it possible the guy on ebay sold me the JDM DCC with some other harness that plugs in? Like maybe for a maxima DCC or something? It had a sunload sensor attached to the harness and it also came with another sunload sensor which had the round plastic cover on it. the sunload sensor harness for example has 2 wires, one is green/yellow and the other is light green/black. Attached to that is about a 6 inch connector for a different sunload sensor with the colors black, and orange. If I remove the SS with black and orange, the other SS will plug right into the G/Y and LG/B however neither of those colors are for the SS sensor according to your site or the manual. Here are some pics (not good ones, i'll take more later if nec.) from the guy on ebay that sold it to me. What are your thoughts? http://www.jdmmarket.com/boomer/s14%...ate%20control/ __________________

06-25-2007, 06:15 PM	#6
Bandwagon240sx Join Date: Jun 2007 Location: Gainesville, Fl Age: 46 Posts: 12 Trader Rating: (0) Feedback Score: 0 reviews	After looking at the FSM a little more, it appears it is definately the wrong harness. There are pins on the 20 pin harness that should have connections that are empty on my harness. Wrote a letter to the ebay guy, this sucks. Good thing his business is only 2 hours from me __________________

06-25-2007, 08:47 PM	#10
Bandwagon240sx Join Date: Jun 2007 Location: Gainesville, Fl Age: 46 Posts: 12 Trader Rating: (0) Feedback Score: 0 reviews	Thanks Russ, I'll be sure to let him know that in person. Stay away from "JDM Market" on ebay. __________________

04-19-2009, 12:04 PM	#3
S14Serge Zilvia Junkie Join Date: Apr 2009 Location: Dallas, TX Posts: 337 Trader Rating: (1) Feedback Score: 1 reviews	Dam bro that is a fresh write-up man thanks!

06-20-2007, 08:59 PM	#4
Bandwagon240sx Join Date: Jun 2007 Location: Gainesville, Fl Age: 46 Posts: 12 Trader Rating: (0) Feedback Score: 0 reviews	Thanks Russ. That makes sense to me. Only problem is that I don't have the dash harness out of a clip. Guess I'm back to square one. Of course, this whole project is hinging on whether this guy on ebay will actually accept my payment and ship the DCC.

06-25-2007, 06:39 PM	#7
Petoria Leaky Injector Join Date: Jan 2006 Location: Colorado Age: 41 Posts: 70 Trader Rating: (0) Feedback Score: 0 reviews	That looks great. Just wondering how well you think the dcc would work without AC installed.

08-10-2007, 04:10 PM	#11
Bandwagon240sx Join Date: Jun 2007 Location: Gainesville, Fl Age: 46 Posts: 12 Trader Rating: (0) Feedback Score: 0 reviews	Well its been a couple months but just an update, I was able to get my money back on the whole transaction, including shipping. The guy that setup that auction was new there, and got fired apparently during my whole ordeal or right before. Once I was able to speak with someone else there I got a refund. I'll attempt the JDM DCC sometime in the future, just not sure when. __________________

03-18-2008, 09:03 PM	#13
chuonthis Zilvia Member Join Date: Aug 2006 Location: Irvine, CA Posts: 167 Trader Rating: (3) Feedback Score: 3 reviews	I'd untape the harness to keep things clean and tight. The USDM motors work just as well as the JDM ones, plus you won't be able to use the JDM air mix door motor because it's reversed (unless you make an adapter like Russ to unreverse it). The only exception might be the intake door motor. The USDM one only has 4 wires coming from the connector but the JDM one has 6. The harness should plug in and work fine though.

03-20-2008, 05:30 PM	#14
dohctwinn1 Join Date: Jan 2008 Location: fl Posts: 18 Trader Rating: (0) Feedback Score: 0 reviews	thx much!! can't wait to screw something up!..

03-23-2008, 10:27 AM	#15
dohctwinn1 Join Date: Jan 2008 Location: fl Posts: 18 Trader Rating: (0) Feedback Score: 0 reviews	and to the asshole who gave a negative to me... thanks brother! "im 6 months too late fucktard" if you saw when i joined and posted it was just recently moron. this info was helpful to me 6 months later as it will be to others dipshit. your probably just pissed b/c you're too much of a retard to wire a few plugs up yourself. fuck off!

03-23-2008, 08:24 PM	#17
dohctwinn1 Join Date: Jan 2008 Location: fl Posts: 18 Trader Rating: (0) Feedback Score: 0 reviews	lol. internet tuff guy.... i'm 30 fuckstick! go play in traffic

03-23-2008, 10:50 AM	#18
JRwerks Zilvia FREAK! Join Date: Mar 2007 Location: SOCAL Posts: 1,200 Trader Rating: (55) Feedback Score: 55 reviews	+rep i wish someone would make a writeup one that easy for a s13 digital climate control...

03-23-2008, 08:36 PM	#19
bigOdom1 Nissanaholic! Join Date: Nov 2005 Location: Auburn/Birmingham AL Age: 41 Posts: 1,817 Trader Rating: (4) Rides Gallery: bigOdom1 Feedback Score: 4 reviews	then you are old enough to 1. not post bullshit in old ass threads lest it is relevant 2. +understand that your internet reputation is as fucking serious as catching a case of AIDS+ you catch more flies with honey than vinegar so quit pissing into the wind __________________ my car domain that good review thread

07-14-2008, 08:16 PM	#21
dohctwinn1 Join Date: Jan 2008 Location: fl Posts: 18 Trader Rating: (0) Feedback Score: 0 reviews	there is something incorrect about the wiring on this write up, everything else looks correct except the wiring. i have wired this and taken it apart 5 different times and the only ppl who actaully have it working is Russ and Turstin that i ever heard of and both of them used the JDM harness... not Jasons wiring. make me eat my words, if anyone else has successfully wired the s14 DCC up with this write up using JDM and USDM wires then speak up. otherwise someone should double check the wiring section. __________________ "Rep Power"?! Go slap yourself.... and when you're done; do it again

03-23-2008, 08:53 PM	#22
fbiphil Zilvia Member Join Date: Sep 2007 Location: Sacramento Posts: 199 Trader Rating: (4) Feedback Score: 4 reviews	Great writeup- I hadn't seen this before, so I guess it's good that it's been resurrected... Just to verify- there isn't a way to change the S14 or S13 digital display to show in Fahrenheit, is there? Not that it's a big deal, but it would be nice...

07-14-2008, 08:21 PM	#23
slidewaysmn Leaky Injector Join Date: Jan 2007 Location: Brainerd, MN Age: 35 Posts: 136 Trader Rating: (0) Feedback Score: 0 reviews	Sick write up +1 for you! __________________ '95 Zenki '85 Cressida

08-24-2008, 07:12 PM	#24
heyitzalan Zilvia Addict Join Date: Oct 2006 Location: NEW YORK F!@$ING CITY Posts: 701 Trader Rating: (15) Feedback Score: 15 reviews	i've found your mistake on the pin out dude. defroster vent + and -, u did a mess up on that. jdm pin 5 go to usdm 8, and jdm pin 6 go to usdm 7. because jdm pin 5 is + def - vent, usdm pin 8 match the jdm pin 5. and jdm pin 6 is - def +vent, usdm pin 7 match the jdm pin 6. i read everything accord to jdm fsm and usdm fsm. you don't always match those wires. fsm is the truth. i never follow anyone's write up.

08-25-2008, 12:59 AM	#26
chuonthis Zilvia Member Join Date: Aug 2006 Location: Irvine, CA Posts: 167 Trader Rating: (3) Feedback Score: 3 reviews	^Umm...that's what I have in my write up. JDM 5 to USDM 8 and JDM 6 to USDM 7. Maybe you're reading the table wrong? I didn't change anything. I did change one thing recently that dohctwinn1 helped me find. I typed the wire color for USDM 1 wrong (I typed L/R instead of L/OR) and corrected it a couple months ago. The other thing that he helped me figure out was that koukis don't have a thermo control amp so the JDM AC signal wire goes straight to the ECU. I haven't updated the write up for that yet. dohctwinn1, sorry we couldn't get your setup going. I'm thinking you still have some wires mixed up and it's pretty difficult to tell what the problem is. Sorry I never took a good picture of my wiring but I might have some time soon to take one. I don't think it'll help though cuz I'm thinking you might be confusing some of the wire colors (like R/L vs. L/R or something). heyitzalan, let us know how your experience goes and tell me if you were able to follow the rest of the write to get it working (or if there are other parts of it that you disagree with).

10-20-2008, 02:11 PM	#27
yuanchen Join Date: Oct 2008 Location: Richmond BC Posts: 28 Trader Rating: (0) Feedback Score: 0 reviews	The instruction is gone, can you repost ? It said 404 not found Thanks

10-21-2008, 01:10 PM	#28
chuonthis Zilvia Member Join Date: Aug 2006 Location: Irvine, CA Posts: 167 Trader Rating: (3) Feedback Score: 3 reviews	It's back up. I had some web server issues.

10-22-2008, 09:04 PM	#30
soldiaboy Zilvia Member Join Date: Jun 2007 Location: Miami Age: 40 Posts: 232 Trader Rating: (2) Feedback Score: 2 reviews	excellent post my friend how hard would you rate the install 1-10?

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