240sx automatic to manual transmission conversion s13 and s14 | First < 1 2 3 4 > Last |
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thizzmasta
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2 posts
240sx
Comox BC
10-26-2008
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| « Re: 240sx automatic to manual transmission conversion s13 and s14 (180fan) | 11:31 PM 10/26/2008 |
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i acually did this a while ago well couple months ago who has a auto 240 / 180 its not that hard just time consuming took me about 10 hours but i also threw a new engine in aswell but if ur lookin for a chore do it up the wiring to make ur reverse lights work and park lights was the only thing ihad troubles with cuz my reverse sensor was RIPPED right out but she's done
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z32s13
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1 posts
twin turbo 300zx na 240sx s13
Avondale az
2-3-2009
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| « Re: 240sx automatic to manual transmission conversion s13 and s14 (180fan) | 7:15 PM 2/3/2009 |
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I just swapped my s13 to a manual. now it wont start nor even turn over. It is a 1989 (auto) with a 89 (manual) engine drivetrain and engine harness in it. I also used the 89(manual) ecu because of the numbers not matching on the ecu(73 74). The first 89 was an auto with power eveything (not seats)and the second 89(manual) a BASE MODEL. No guage warning lights come on either just the battery light, door light, and brake light, nor lights just hazards . I also have a question about the little harness that comes out of the ecu main harness about 8 inches before it goes into the firewall to the engine. the one in my 89(auto) is 10 prong the one on the 89(manual) harness and ecu is a 4 prong plus the 89(auto) harness has a second 2 prong plug next to its 10 prong do these do??? (i think one goes to the guages) Any help would be great. K never mind my friend pointed me to the 240sx tech page ima try this then bug you guys.Modified by z32s13 at 7:40 PM 2/3/2009 Modified by z32s13 at 8:34 PM 2/3/2009
Modified by z32s13 at 8:57 PM 2/3/2009
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onedumubm24

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3 posts
I have a 1989, a 1990 and 1991 Nissan 240sx.
Wellington CO
1-26-2009
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| « Re: 240sx automatic to manual transmission conversion s13 and s14 (180fan) | 9:28 PM 3/12/2009 |
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ok so i readed through about 8 pages of this thread and didnt find it but in have an 89 SOHC with a 5spd and would like to put it into my 91 DOCH which currently has an auto. ive been told it cant be done because the the bolt holes on the engine dont match and ive also been told it can be just as easy. any thoughts would be awesome. if anyone knows of any other problems i might come across id like to know about those too please and thank you. oh and plz dont refer me back to this thread although it was very educational and ill use it if the SOHC 5spd wont work in my DOHC auto but id like to save some money by not buying what i already have. Please email any replies to me at onedumbum24@yahoo.com because idk when the next time ill be able to get on my computer will be and i can read and reply from my phone thanx
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gilmartm3
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1 posts
1997 nissan 240sx le
canoga park ca
3-15-2009
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| « Re: 240sx automatic to manual transmission conversion s13 and s14 (180fan) | 5:24 PM 3/15/2009 |
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Outstanding info!!!!!! Thax
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Climb385
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4 posts
90 240sx hatchback
Jefferson Hills PA
3-12-2009
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| « Re: 240sx automatic to manual transmission conversion s13 and s14 (gilmartm3) | 10:49 PM 3/23/2009 |
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ok i got a few questions. ive read this whole post like five times. i just couldnt seem to find some info i was looking for. like about the drive shaft, if i can get the first section, by the trans, can i bolt it up to my auto rear seaction. also i heard the a dohc tranny has to have a dohc speed sensor? i have a 90 hatch sohc, swapping in a 93 hatch dohc tranny. and if i have to buy one how much are they? cuz my buddy used it for his sr20 tranny so i have to get one for a dohc. thanks in advance Climb385
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RBpowersilvia

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16 posts
1995 Nissan Silvia
Marlton NJ
3-7-2008
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| « Re: 240sx automatic to manual transmission conversion s13 and s14 (180fan) | 8:10 PM 3/25/2009 |
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nice
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EchaKqulo

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18 posts
240sx SE Coupe 1993
Aguadila PR
1-7-2008
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| « Re: 240sx automatic to manual transmission conversion s13 and s14 (Climb385) | 11:13 AM 3/26/2009 |
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| Quote, originally posted by Climb385 » | | ok i got a few questions. ive read this whole post like five times. i just couldnt seem to find some info i was looking for. like about the drive shaft, if i can get the first section, by the trans, can i bolt it up to my auto rear seaction. also i heard the a dohc tranny has to have a dohc speed sensor? i have a 90 hatch sohc, swapping in a 93 hatch dohc tranny. and if i have to buy one how much are they? cuz my buddy used it for his sr20 tranny so i have to get one for a dohc. thanks in advance Climb385
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About the drive shaft, you will have to get at least the first section of it. The auto and manual are different. and the trans cross member is different too. About the speed sensor, i have been running my car about 3 years with the auto speed sensor on the manual trans without any problems so far.
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JDS Performance
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1045 posts
Charlotte/Concord NC
6-4-2006
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| « Re: 240sx automatic to manual transmission conversion s13 and s14 (EchaKqulo) | 2:32 PM 3/26/2009 |
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| Quote, originally posted by EchaKqulo » | About the drive shaft, you will have to get at least the first section of it. The auto and manual are different. and the trans cross member is different too. About the speed sensor, i have been running my car about 3 years with the auto speed sensor on the manual trans without any problems so far. |
Thats weird the auto speed sensor will not fit into the hole on the 5 speed transmission? The sensor is too fat to fit in the hole. At least it was on my 95' ODBII
 http://www.240SXTECHDVDS.org
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JDMskrilla
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49 posts
1997 240sx se
Cocoa Beach FL
1-2-2009
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| « Re: 240sx automatic to manual transmission conversion s13 and s14 (180fan) | 8:20 AM 3/27/2009 |
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this may be a dumb question but will the s13 brake and clutch pedal work on my s14. also what about an s13 driveshaft, wil it fit an s14?
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Climb385
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4 posts
90 240sx hatchback
Jefferson Hills PA
3-12-2009
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| « Re: 240sx automatic to manual transmission conversion s13 and s14 (EchaKqulo) | 2:01 PM 3/27/2009 |
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| Quote, originally posted by EchaKqulo » | About the drive shaft, you will have to get at least the first section of it. The auto and manual are different. and the trans cross member is different too. About the speed sensor, i have been running my car about 3 years with the auto speed sensor on the manual trans without any problems so far. |
but is it from a sohc auto in a sohc manual? or dohc auto in a dohc stick? im going from a sohc auto tranny to a dohc stick tranny.
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lexrob

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203 posts
s14 95'
Clarksville TN
5-2-2009
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| « Re: 240sx automatic to manual transmission conversion s13 and s14 (Climb385) | 9:23 AM 5/19/2009 |
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Just another way to get off auto bushing... tried pipe wrench to no success so i took a 3/8 ext. wedged in between crack and smacked it with a hammer and popped her out ... lol
WTB: s14 coilovers+koukisides
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LiShaoLin
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4 posts
1996 Nissan 240SX SE
Jacksonville FL
5-21-2009
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I am really unsure if this is the topic to be posting in this forum, so forgive me if you will! My husband and I just recently did a tranny swap on our '96 240sx SE, and I've been trying to find out if when I put in a manual ECU into it and take the auto ECU out, will my autostart still work or will I have to rewire it for it to work? And if so, does anyone have a write up for that? Right now the autostart still works, so I wanted to know the results of changing to a manual?
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JDS Performance
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1045 posts
Charlotte/Concord NC
6-4-2006
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| « Re: (LiShaoLin) | 3:32 AM 5/22/2009 |
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| Quote, originally posted by LiShaoLin » | | I am really unsure if this is the topic to be posting in this forum, so forgive me if you will! My husband and I just recently did a tranny swap on our '96 240sx SE, and I've been trying to find out if when I put in a manual ECU into it and take the auto ECU out, will my autostart still work or will I have to rewire it for it to work? And if so, does anyone have a write up for that? Right now the autostart still works, so I wanted to know the results of changing to a manual? |
You will need to reiwre for the 5 speed ecu - most people just keep the auto as it does not have the speed cut. Check out my video it covers a ton of info that will help you. http://www.240SXTECHDVDS.org
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Nismosport_

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23 posts
95 S14 Ka24det
Midwest Iowa
1-26-2008
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| « Re: (JDS Performance) | 11:31 PM 6/8/2009 |
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Ok i have a reall qeustion and it might not cover it in that vid about the drive shaft i have a 95 obd1 white plug 240sx its auto and i have a drive shaft from a 90 non abs manual... My 95 is a abs/lsd so what i was going to do is take the rear section of the 90 which is 23.5 in long and use it as my front section on my 95.. Has any one tryed to do this kinda of stuff.. My rear section is good its just the front i have to do...I was gonna pop out the pins and mix and match to make it work...
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JDS Performance
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1045 posts
Charlotte/Concord NC
6-4-2006
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| « Re: (Nismosport_) | 4:01 AM 6/9/2009 |
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| Quote, originally posted by Nismosport_ » | | Ok i have a reall qeustion and it might not cover it in that vid about the drive shaft i have a 95 obd1 white plug 240sx its auto and i have a drive shaft from a 90 non abs manual... My 95 is a abs/lsd so what i was going to do is take the rear section of the 90 which is 23.5 in long and use it as my front section on my 95.. Has any one tryed to do this kinda of stuff.. My rear section is good its just the front i have to do...I was gonna pop out the pins and mix and match to make it work... |
Honestly I wouldnt waste any time or money on stock driveshafts the center (carrier) bearings are usuall ybad abd cost $100 to replace. Just get a 1 piece made and call it a day.
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Nismosport_

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23 posts
95 S14 Ka24det
Midwest Iowa
1-26-2008
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| « Re: (JDS Performance) | 2:07 PM 6/9/2009 |
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My oem drive shaft is good the bearing is on the back part the rear part of the shaft i was gonna mess with the front part... The car has roughly 60,000miles
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JDS Performance
NICO Sponsor

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1045 posts
Charlotte/Concord NC
6-4-2006
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| « Re: (Nismosport_) | 2:58 PM 6/9/2009 |
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| Quote, originally posted by Nismosport_ » | | My oem drive shaft is good the bearing is on the back part the rear part of the shaft i was gonna mess with the front part... The car has roughly 60,000miles |
well that be the case I have not tried it so I will not try and answer it.
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Nismosport_

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23 posts
95 S14 Ka24det
Midwest Iowa
1-26-2008
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| « Re: (JDS Performance) | 6:56 PM 6/9/2009 |
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well the auto to manual s14 shaft is only roughly 1in diff.. Is there a adapter plate to extend one of the joints.. Or would i have to make that my self.. Is the auto s14 end shaft transmission spline the same as manual...
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JDS Performance
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1045 posts
Charlotte/Concord NC
6-4-2006
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| « Re: (Nismosport_) | 3:40 AM 6/10/2009 |
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| Quote, originally posted by Nismosport_ » | | well the auto to manual s14 shaft is only roughly 1in diff.. Is there a adapter plate to extend one of the joints.. Or would i have to make that my self.. Is the auto s14 end shaft transmission spline the same as manual... |
no its not them same - the front auto DS will not work on the 5 speed the rear piece will work with the front 5 speed. The ABS DS is .75" shorter than the 5 speed. So you will need to buy a 5 speed DS too - which is why I said just get a 1 piece and call it a day.
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Nismosport_

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23 posts
95 S14 Ka24det
Midwest Iowa
1-26-2008
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| « Re: (JDS Performance) | 3:02 PM 6/12/2009 |
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Whats the best one piece drive shaft deal out there... The steel one for 350$ or is there better deals
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95jordan240

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91 posts
1995 nissan 240sx
Phoenix az
6-17-2009
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| « Re: 240sx automatic to manual transmission conversion s13 and s14 (180fan) | 5:22 PM 6/18/2009 |
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thanks.... now i got the idea bout how it goes...
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JDS Performance
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1045 posts
Charlotte/Concord NC
6-4-2006
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| « Re: (Nismosport_) | 6:51 PM 6/18/2009 |
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shaftmasters is who the last one came from - worked just fine
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locoluna825

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581 posts
91 240sx coupe
Hesperia CA
3-28-2008
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| « Re: 240sx automatic to manual transmission conversion s13 and s14 (180fan) | 12:18 PM 6/19/2009 |
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Ive read through the sticky for the s13 swap but don' see an answer to my question one or two others asked the same thing but never got there question answered.Ive done a 5spd swap on a 90 240sx sohc, it though i remember seeing in a post somewhere saying that you can use the old auto harness to plug in your 5spd. well when i droped the auto i noticed all the plugs on it are different than the plugs for the 5spd, so how can this be? Did i misunderstand? Do you need a manual trans harness and you use the auto harness so you can wire up the car so it will turn on and to make the lights work? if so the manual trans harness is missing on the list of materials form the tut and needs to be corrected.

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JDS Performance
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1045 posts
Charlotte/Concord NC
6-4-2006
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| « Re: 240sx automatic to manual transmission conversion s13 and s14 (locoluna825) | 3:07 PM 6/19/2009 |
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Not trying to make a sale here but you need to check out my DVD - It will show you how to wire all the plugs in and everything. http://www.240SXTECHDVDS.org
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locoluna825

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581 posts
91 240sx coupe
Hesperia CA
3-28-2008
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| « Re: 240sx automatic to manual transmiss ... (JDS Performance) | 4:00 PM 6/19/2009 |
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cool dude i found somewhere you can watch it for free XD ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ naaa just kididng lol i still need help on this though
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jholling
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13 posts
philadelphia PA
4-2-2009
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| « Thanks for the info everyone | 12:32 PM 6/24/2009 |
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Thanks
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locoluna825

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581 posts
91 240sx coupe
Hesperia CA
3-28-2008
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| « Re: Thanks for the info everyone (jholling) | 1:08 PM 7/2/2009 |
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ive done all the wiring now, cars been wonderful, drives beautiful. i got the neutral safety switch going, the speedometer(had to rewire it because the previous owner of the trans cut the wire to the sensor), and reverse lights. just recently my engine light came on. i remember reading somewhere that said that would happen, does anyone know how to get rid of the light? and DON'T suggest black tape please or disconnecting the bulb LOL i would like the light working so i can tell if something else happens to the car.
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JDS Performance
NICO Sponsor

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1045 posts
Charlotte/Concord NC
6-4-2006
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| « Re: Thanks for the info everyone (locoluna825) | 3:48 PM 7/2/2009 |
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| Quote, originally posted by locoluna825 » | | ive done all the wiring now, cars been wonderful, drives beautiful. i got the neutral safety switch going, the speedometer(had to rewire it because the previous owner of the trans cut the wire to the sensor), and reverse lights. just recently my engine light came on. i remember reading somewhere that said that would happen, does anyone know how to get rid of the light? and DON'T suggest black tape please or disconnecting the bulb LOL i would like the light working so i can tell if something else happens to the car. |
what is the code for the check engine light? if you dont have a scanner take to autozone and get them to scan for codes. I had "0" codes on my swap
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locoluna825

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581 posts
91 240sx coupe
Hesperia CA
3-28-2008
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| « Re: Thanks for the info everyone (JDS Performance) | 9:14 PM 7/2/2009 |
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well i haven't checked the code yet but i know its because of the tranny, it comes on once in a while and stays on for a couple trips then turns off again. i guess ill rip the ecu and check the codes, i hate doing this....
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skywalkinv003t
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14 posts
95 nissan 240sx
Orlando FL
6-28-2009
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ahhh i love air tools
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Romeo_rus

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304 posts
green 95 240sx RB25DET - SOLD, burg 95 240sx SE ka24de - wrecked, burg 95 240sx - project KA-T
Havelock NC
11-23-2008
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Hello! I got 95 240sx with auto tranny.. and I'm going to do Ka+T and 5 spd conversion all together... I'm going to install s13 5spd tranny and get a s13 M/T ECU with JWT tune and OBDII to OBDI conversion harness.. HOW CAN I MAKE IT WORK??? 1. do I need to drill a hole for CAS? 2. what should I wire? 3. How do I need to repin harness for the ECU? Do have it on your DVD?
Sorry officer, I thought you wanted to race
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JDS Performance
NICO Sponsor

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1045 posts
Charlotte/Concord NC
6-4-2006
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| « Re: (Romeo_rus) | 2:50 PM 8/3/2009 |
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| Quote, originally posted by Romeo_rus » | Hello! I got 95 240sx with auto tranny.. and I'm going to do Ka+T and 5 spd conversion all together... I'm going to install s13 5spd tranny and get a s13 M/T ECU with JWT tune and OBDII to OBDI conversion harness.. HOW CAN I MAKE IT WORK??? 1. do I need to drill a hole for CAS? 2. what should I wire? 3. How do I need to repin harness for the ECU? Do have it on your DVD?
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No I do not - JWT has a write-up on thier site to wire up the ECU (I think) As for the CAS yes you can drill the holes for it - if you want to keep the ECU happy you will need it if not you wont. As for the 5 speed S14 wiring yes that is all on my DVD.
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s14derrick

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1264 posts
1995 nissan 240sx
pueblo co
6-19-2008
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| « Re: (JDS Performance) | 2:59 PM 8/3/2009 |
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For all you guys asking all these questions. if you are that unsure about it check out his dvd. it annswers most everyones questions. its worth the money IMO it has explained all my unanswered q's

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kgriffin
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23 posts
95 240sx
Greenwood IN
8-5-2009
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i cant wait to find all my parts and actually do the swap
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kgriffin
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23 posts
95 240sx
Greenwood IN
8-5-2009
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ok sorry for the double post but quick question. im about to do the swap finally found all the parts. if i wire the neutral, 5th gear, and reverse lights will i have a check engine light? i have a 1995 se obd1 using the auto ecu. also with the cruse control work?
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JDS Performance
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1045 posts
Charlotte/Concord NC
6-4-2006
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| « Re: (kgriffin) | 4:10 PM 8/19/2009 |
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| Quote, originally posted by kgriffin » | | ok sorry for the double post but quick question. im about to do the swap finally found all the parts. if i wire the neutral, 5th gear, and reverse lights will i have a check engine light? i have a 1995 se obd1 using the auto ecu. also with the cruse control work? |
if you had my DVD you would know the answers to those questions Since I am a nice guy I will answer them for you If you use the auto ECU you can not wire in the 5th - its a diagnostic pin location on the auto ECU - its not needed anyway but it might throw a code if not used? As for the check engine light - some people do and some dont - I did not have one on my video car - I always wonder if people that get a code did wire it up right? I used a 5 speed ECU in my video though. Your cruise control will work if you wire it up like I do in my video (hey cant give it all away)
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kgriffin
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23 posts
95 240sx
Greenwood IN
8-5-2009
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| « Re: (JDS Performance) | 5:47 PM 8/19/2009 |
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| Quote, originally posted by JDS Performance » | if you had my DVD you would know the answers to those questions Since I am a nice guy I will answer them for you If you use the auto ECU you can not wire in the 5th - its a diagnostic pin location on the auto ECU - its not needed anyway but it might throw a code if not used? As for the check engine light - some people do and some dont - I did not have one on my video car - I always wonder if people that get a code did wire it up right? I used a 5 speed ECU in my video though. Your cruise control will work if you wire it up like I do in my video (hey cant give it all away) |
thanks for your help, as for the 5th gear sensor doesnt this guide show you how to wire it in to an auto ecu maybe i didnt read it right idk http://www.ka24development.com....html
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kgriffin
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23 posts
95 240sx
Greenwood IN
8-5-2009
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| « Re: (kgriffin) | 5:56 PM 8/19/2009 |
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| Quote, originally posted by kgriffin » | thanks for your help, as for the 5th gear sensor doesnt this guide show you how to wire it in to an auto ecu maybe i didnt read it right idk http://www.ka24development.com....html |
ok i was reading in the 2007 modified mag on how to do the swap and it says to refer to that guide if you get a manual ecu my bad
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Dazzla

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446 posts
LM BC
12-2-2007
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Doing a 5-speed swap here in my 95' 240. I'm gonna keep the Auto ECU for now...what are the downsides with this?Is it true that there is no rev limiter? Isn't that bad? What if you mis-shift like 5th to 2nd or something retarded, is your engine toast? lol
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Dazzla

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446 posts
LM BC
12-2-2007
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anyone?
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