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rob 2fast4u
Knows Some Stuff About 240's!
Joined: 05 Jul 2006
Posts: 324
Location: Ontario
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 Posted: Thu Jan 24, 2008 3:13 pm Post subject: Z32 maf install + wiring info |
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well I decided to do a small write up since I was at it.
This is how to wire in a z32 maf ( n62 ) into the factory s13 wiring harness
this is the stock conector :
and the z32:
cut the harness off the old connector and start soldering the wires from the z32 connector together. Make sure you get good penetration with the solder and shrink wrap it when your done.
Here is a diagram that I made. From searching on the forum Im almost positive this is how you wire the two together if not PLEASE TELL ME !!!!! and I will make the changes.
_________________
fully built:
supertech 8.6:1
eagle H-beams
272BC cams
BC Dual springs
has t3/t04e 60trim need a bigger one for 25psi ???? s366 maybe
custom exh & intake manifolds
ebay ssqv bov
2.5"hotpipe, 3"coldpipe, Blow through MAF
AEM FIC,Zeitronix wideband, z32 maf
Bosch 1000cc inj, Twin walbro's, -8AN feed line,.... and lots more
Last edited by rob 2fast4u on Thu Jan 24, 2008 3:42 pm; edited 1 time in total |
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boker240
Belongs To The TOP CONTRIBUTING MEMBERS!
Joined: 18 Apr 2007
Posts: 3229
Location: Fort WaltonBeach FL.
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| Posted: Thu Jan 24, 2008 3:35 pm Post subject: |
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i hope for ur sake u soldered that stuff and heat shrunk tubing over that. if it gets moisture in there ur ****.
_________________
arias 8.8.1,615 tomie inj.,clevite bearings,arp 10mm hs,z32 maf,jwt ecu,intake butterflies removed,all emissions removed,cx rad. dif dual fan controller,altima dual fans,fidanza fw,stage 3 clutch,solid d shaft,j30 rearend,energy suspension bushings,kyb struts,155 lbs weight reduction.
currently n/a.
He'll probably blow the motor, and then join the army of retards who hate on KA's for no good reason. |
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rob 2fast4u
Knows Some Stuff About 240's!
Joined: 05 Jul 2006
Posts: 324
Location: Ontario
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| Posted: Thu Jan 24, 2008 3:37 pm Post subject: |
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ya I did and I even lengthend the sheilded wire right up to the conector.
_________________
fully built:
supertech 8.6:1
eagle H-beams
272BC cams
BC Dual springs
has t3/t04e 60trim need a bigger one for 25psi ???? s366 maybe
custom exh & intake manifolds
ebay ssqv bov
2.5"hotpipe, 3"coldpipe, Blow through MAF
AEM FIC,Zeitronix wideband, z32 maf
Bosch 1000cc inj, Twin walbro's, -8AN feed line,.... and lots more |
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boker240
Belongs To The TOP CONTRIBUTING MEMBERS!
Joined: 18 Apr 2007
Posts: 3229
Location: Fort WaltonBeach FL.
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| Posted: Thu Jan 24, 2008 3:55 pm Post subject: |
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 its nice to here that someone's doin **** the right way.good job.
_________________
arias 8.8.1,615 tomie inj.,clevite bearings,arp 10mm hs,z32 maf,jwt ecu,intake butterflies removed,all emissions removed,cx rad. dif dual fan controller,altima dual fans,fidanza fw,stage 3 clutch,solid d shaft,j30 rearend,energy suspension bushings,kyb struts,155 lbs weight reduction.
currently n/a.
He'll probably blow the motor, and then join the army of retards who hate on KA's for no good reason. |
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rob 2fast4u
Knows Some Stuff About 240's!
Joined: 05 Jul 2006
Posts: 324
Location: Ontario
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| Posted: Thu Jan 24, 2008 4:03 pm Post subject: |
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haha thanks man... ah just wondering, in the background you can see the engine harness ... I am taking all my idle control off the intake and all the emissions is already off but to make the harness look abit cleaner can I just cut off the wires I dont need and tape them up or something like that so there not in the way ?
_________________
fully built:
supertech 8.6:1
eagle H-beams
272BC cams
BC Dual springs
has t3/t04e 60trim need a bigger one for 25psi ???? s366 maybe
custom exh & intake manifolds
ebay ssqv bov
2.5"hotpipe, 3"coldpipe, Blow through MAF
AEM FIC,Zeitronix wideband, z32 maf
Bosch 1000cc inj, Twin walbro's, -8AN feed line,.... and lots more |
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boker240
Belongs To The TOP CONTRIBUTING MEMBERS!
Joined: 18 Apr 2007
Posts: 3229
Location: Fort WaltonBeach FL.
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| Posted: Thu Jan 24, 2008 5:21 pm Post subject: |
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id imagine, as long as their to somthing thats not gonna b hooked up.
_________________
arias 8.8.1,615 tomie inj.,clevite bearings,arp 10mm hs,z32 maf,jwt ecu,intake butterflies removed,all emissions removed,cx rad. dif dual fan controller,altima dual fans,fidanza fw,stage 3 clutch,solid d shaft,j30 rearend,energy suspension bushings,kyb struts,155 lbs weight reduction.
currently n/a.
He'll probably blow the motor, and then join the army of retards who hate on KA's for no good reason. |
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SR_what?
240sx Wannabe
Joined: 08 Sep 2007
Posts: 196
Location: VA
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| Posted: Fri Jan 25, 2008 1:45 am Post subject: |
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Quick question.
Some diagrams show both grounds going to the wiring harness and others (like yours) show one going to the chasis. Whats the worse that would happen if you dont have one going to the chasis? Im guessing it would just cause your car to stumble and **** at high rpms.
Also, what gauge wire did you use to connect to the chasis?
_________________
'91 240sx hatch- s14 block, s13 head, s14 intake/s13 exhaust cams, Supertech 8.6:1 pistons, eagle H-beam rods, arp hardware, jgs starter kit (T3/T04E 50 trim .63 A/R), tomei 740's, ebay i.c. kit, HKS SSQV, 3" piping tubo back, efi specialists ecu, walbro 255, safc 2, plx m-300, knocklite
'93 240sx coupe(DD)-aem intake!!! |
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adamky
Belongs To The TOP CONTRIBUTING MEMBERS!
Joined: 31 May 2006
Posts: 2445
Location: Louisville, KY
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| Posted: Fri Jan 25, 2008 11:40 am Post subject: |
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| SR_what? wrote: | Quick question.
Some diagrams show both grounds going to the wiring harness and others (like yours) show one going to the chasis. Whats the worse that would happen if you dont have one going to the chasis? Im guessing it would just cause your car to stumble and **** at high rpms.
Also, what gauge wire did you use to connect to the chasis? |
I connected both the grounds together and connected them to the wiring harness ground. No problems yet.
_________________
Supercharged/built, 12-13 psi, E85, Nistune, 265 whp
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boker240
Belongs To The TOP CONTRIBUTING MEMBERS!
Joined: 18 Apr 2007
Posts: 3229
Location: Fort WaltonBeach FL.
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| Posted: Fri Jan 25, 2008 2:14 pm Post subject: |
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| Quote: |
I connected both the grounds together and connected them to the wiring harness ground. No problems yet. |
i did the same **** , not a prob.
_________________
arias 8.8.1,615 tomie inj.,clevite bearings,arp 10mm hs,z32 maf,jwt ecu,intake butterflies removed,all emissions removed,cx rad. dif dual fan controller,altima dual fans,fidanza fw,stage 3 clutch,solid d shaft,j30 rearend,energy suspension bushings,kyb struts,155 lbs weight reduction.
currently n/a.
He'll probably blow the motor, and then join the army of retards who hate on KA's for no good reason. |
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SR_what?
240sx Wannabe
Joined: 08 Sep 2007
Posts: 196
Location: VA
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| Posted: Fri Jan 25, 2008 2:44 pm Post subject: |
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^^^ Cool. Thats what i was hopin to hear. I already wired mine that way and just wanted some reasurrance. Thanks dudes.
_________________
'91 240sx hatch- s14 block, s13 head, s14 intake/s13 exhaust cams, Supertech 8.6:1 pistons, eagle H-beam rods, arp hardware, jgs starter kit (T3/T04E 50 trim .63 A/R), tomei 740's, ebay i.c. kit, HKS SSQV, 3" piping tubo back, efi specialists ecu, walbro 255, safc 2, plx m-300, knocklite
'93 240sx coupe(DD)-aem intake!!! |
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rob 2fast4u
Knows Some Stuff About 240's!
Joined: 05 Jul 2006
Posts: 324
Location: Ontario
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| Posted: Fri Jan 25, 2008 11:55 pm Post subject: |
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Ya theres not a really a YOU SHOULD DO THIS when wiring the two ground wires, some people take one ground the the chassis some others just attach both together to the harness. I guess it depends on your preference, I have "heard" or "read" that some people had issues with wiring them in together but so far adamky said he's not having any issues yet so looks to be alright
_________________
fully built:
supertech 8.6:1
eagle H-beams
272BC cams
BC Dual springs
has t3/t04e 60trim need a bigger one for 25psi ???? s366 maybe
custom exh & intake manifolds
ebay ssqv bov
2.5"hotpipe, 3"coldpipe, Blow through MAF
AEM FIC,Zeitronix wideband, z32 maf
Bosch 1000cc inj, Twin walbro's, -8AN feed line,.... and lots more |
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808racer
Learners Permit
Joined: 28 Nov 2007
Posts: 16
Location: Kauai, Hawaii
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| Posted: Tue Jan 29, 2008 9:23 pm Post subject: |
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| is it possible to wire the z32 maf into my harness and still use my KA? i'm just planning ahead and slowly gathering parts and knowledge, so i figured this is one less step to do. thanks |
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hotrodstu77
Encyclopedia-Nissan
Joined: 20 Aug 2006
Posts: 1033
Location: London, Ontario, Canada
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| Posted: Wed Jan 30, 2008 6:49 am Post subject: |
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well most of us here are/will be using the z32 maf because it flows more and it works with tuned ECUs but your ecu must be tuned for it. cant do it with a stocker. and i hope this gets locked in the how to section. its very helpfull
_________________
Crazy about the KA
mod list so far:cold air, clutchmasters twin friction, nismo clutch master, short throw, VLSD, 3" ebay exhuast, SSAC mani, .42/.48 garret t3, FMIC, Tein prings, Tokico Blue struts
The Nissan 240sx: It's a lot of sports car, but you can handle it.
Canadians are born drifters!
Dodge Cummins vs. Ford Powerstroke= I'd rather be cummin then strokin |
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808racer
Learners Permit
Joined: 28 Nov 2007
Posts: 16
Location: Kauai, Hawaii
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| Posted: Wed Jan 30, 2008 3:29 pm Post subject: |
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| thanks for that..maybe i'll just buy one and wait untill i do have all the parts needed. and i agree this should be moved to the how-to section |
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hotrodstu77
Encyclopedia-Nissan
Joined: 20 Aug 2006
Posts: 1033
Location: London, Ontario, Canada
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| Posted: Wed Jan 30, 2008 4:09 pm Post subject: |
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thts what i did. always good to have one
_________________
Crazy about the KA
mod list so far:cold air, clutchmasters twin friction, nismo clutch master, short throw, VLSD, 3" ebay exhuast, SSAC mani, .42/.48 garret t3, FMIC, Tein prings, Tokico Blue struts
The Nissan 240sx: It's a lot of sports car, but you can handle it.
Canadians are born drifters!
Dodge Cummins vs. Ford Powerstroke= I'd rather be cummin then strokin |
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kingkong8247
240sx Wannabe
Joined: 29 Apr 2006
Posts: 192
Location: South Jersey
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| Posted: Thu Jan 31, 2008 5:59 pm Post subject: |
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I talked to JWT about grounding it to the chassis. They told me it is not needed, if grounding it to the chassis fixes the issue it is because there is something wrong with your wiring harness.
Oh and +1 on the writeup, very nice! |
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rob 2fast4u
Knows Some Stuff About 240's!
Joined: 05 Jul 2006
Posts: 324
Location: Ontario
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| Posted: Thu Jan 31, 2008 7:18 pm Post subject: |
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^ Alright thanks for clearing that up, Its to bad its freezing out here... or else I would have my car running by now. Theres soo much work ahead of me....
And also thanks to everyone for the reply's!!!!!!!!
_________________
fully built:
supertech 8.6:1
eagle H-beams
272BC cams
BC Dual springs
has t3/t04e 60trim need a bigger one for 25psi ???? s366 maybe
custom exh & intake manifolds
ebay ssqv bov
2.5"hotpipe, 3"coldpipe, Blow through MAF
AEM FIC,Zeitronix wideband, z32 maf
Bosch 1000cc inj, Twin walbro's, -8AN feed line,.... and lots more |
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wntrcoatblu240
Driving Mom's Station Wagon
Joined: 30 May 2007
Posts: 45
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| Posted: Fri Feb 08, 2008 1:20 am Post subject: |
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| nice.. very nice write up indeed... one question... what would happen if you accidently mixed up the maf signal and 12v wires and started the car? because i think that's what i did.. i was confused on how to wire up the maf from JWT website, and i think i got it backwards... did i fry my maf?! |
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s-14
Dont Question My Nissan Knowledge
Joined: 12 May 2006
Posts: 512
Location: Uranus
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| Posted: Wed Jul 30, 2008 9:09 am Post subject: |
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Hey anyone able to help i wired my n62 from top of maf to top of stock plug is that right
Does white go to white or am i wrong or does black/grey go to white!!! i followed
one of the how to's and now im not sure the hwo to was right i checked and double
checked to see if the plugs on the pic's he posted were the same. my car idls like crap and
smokes out of the exhaust real bad ( its not the turbo ) let me know thx. |
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Serebros3
240sx Wannabe
Joined: 06 Jul 2007
Posts: 147
Location: Florida State University / Tallahassee
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| Posted: Fri Aug 01, 2008 6:57 pm Post subject: |
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i vote this for STICKY!
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'93 Nissan 240SX Champaigne 5 Spd Base |
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s-14
Dont Question My Nissan Knowledge
Joined: 12 May 2006
Posts: 512
Location: Uranus
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| Posted: Sun Aug 03, 2008 6:41 pm Post subject: |
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| ok nvm! here is for the new people that dont know how to wire i'll make it clear white goes to white and black/white goes to black/white and the two in the middle go to ground on the s14 wire ok there you have it. I wired it wrong due to someone's post that was incorrect so my car idled like sht but i didnt damage it lucky me thanks though, but now it runs fine. |
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twastheglow
Knows Some Stuff About 240's!
Joined: 13 Mar 2006
Posts: 411
Location: Binghamton, NY
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| Posted: Mon Aug 18, 2008 1:15 pm Post subject: |
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Sorry to revive this. I know the diagram at the top is pretty self-explanatory, but I have a question since my car runs like ass and I think my MAF may have something to do with it. When wiring the Z32 MAF in, you connect white to white...striped to striped...then I connected the orange to the black...and grounded the Z32 black. That is correct right? I've been having problems since my install soI want to narrow down all the possible problems. And it's suppose to read 1.3 volts @ idle? Is this all correct?
*mike* |
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ImporT-ProphetZ
Dreams of owning a 240!
Joined: 12 Jan 2008
Posts: 52
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| Posted: Tue Sep 23, 2008 5:25 pm Post subject: |
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| good stuff!!!! |
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dppflyinhawaiian
Learners Permit
Joined: 13 Sep 2009
Posts: 8
Location: ventura county, CA
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| Posted: Fri Sep 18, 2009 12:26 pm Post subject: |
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will this wiring work and be the same for the s14 wiring harness when i install the z32 maf?
and when you say a tuned ecu is needed, who can i take my ecu to, to get it tuned in So.Cal? ive heard of enthalpy and JWT? |
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nissanfanatic911
Learners Permit
Joined: 05 Nov 2008
Posts: 14
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| Posted: Thu Apr 01, 2010 8:57 am Post subject: |
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| hi guys, i have a 96 nissan 240 i put a z32 mass air on but im working on a friends s13 sohc how will you wire the z32 to this car? the same as my s14? any help would be appriciated.. |
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Jordan Gladman
Belongs To The TOP CONTRIBUTING MEMBERS!
Joined: 20 Jul 2004
Posts: 3519
Location: Abbotsford, BC
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| Posted: Thu Apr 01, 2010 10:24 am Post subject: |
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Exact same as this one.
For anyone interested interested in "salvaging" their OEM harness and not cutting off their stock MAF plug, if you have an extra TPS sensor, you can chop it up and use the female receptical to make an adapter cable to go from the Z32 to your OEM harness without having to cut it. I did mine this way and it saves you the trouble of having to ever rewire to go back to stock for whatever reason. |
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