Z32 maf install + wiring info

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Z32 maf install + wiring info

Postby rob 2fast4u » Thu Jan 24, 2008 4:13 pm

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 :
Image

and the z32:
Image

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.
Image


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.
Image
Last edited by rob 2fast4u on Thu Jan 24, 2008 4:42 pm, edited 1 time in total.
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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Postby boker240 » Thu Jan 24, 2008 4:35 pm

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.
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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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Postby rob 2fast4u » Thu Jan 24, 2008 4:37 pm

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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Postby boker240 » Thu Jan 24, 2008 4:55 pm

:cheers: 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.
Image

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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Postby rob 2fast4u » Thu Jan 24, 2008 5:03 pm

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
User avatar
rob 2fast4u
Knows Some Stuff About 240's!
 
Posts: 313
Joined: Wed Jul 05, 2006 4:45 pm
Location: Ontario

Postby boker240 » Thu Jan 24, 2008 6:21 pm

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.
Image

He'll probably blow the motor, and then join the army of retards who hate on KA's for no good reason.
boker240
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Posts: 3162
Joined: Wed Apr 18, 2007 7:28 pm
Location: Fort WaltonBeach FL.

Postby SR_what? » Fri Jan 25, 2008 2:45 am

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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Postby adamky » Fri Jan 25, 2008 12:40 pm

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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Postby boker240 » Fri Jan 25, 2008 3:14 pm



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.
Image

He'll probably blow the motor, and then join the army of retards who hate on KA's for no good reason.
boker240
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Postby SR_what? » Fri Jan 25, 2008 3:44 pm

^^^ 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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Postby rob 2fast4u » Sat Jan 26, 2008 12:55 am

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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Postby 808racer » Tue Jan 29, 2008 10:23 pm

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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Postby hotrodstu77 » Wed Jan 30, 2008 7:49 am

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.
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Postby 808racer » Wed Jan 30, 2008 4:29 pm

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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Postby hotrodstu77 » Wed Jan 30, 2008 5:09 pm

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!
Image
Dodge Cummins vs. Ford Powerstroke= I'd rather be cummin then strokin
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Postby kingkong8247 » Thu Jan 31, 2008 6:59 pm

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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Postby rob 2fast4u » Thu Jan 31, 2008 8:18 pm

^ 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
User avatar
rob 2fast4u
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Postby wntrcoatblu240 » Fri Feb 08, 2008 2:20 am

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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Postby s-14 » Wed Jul 30, 2008 10:09 am

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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Postby Serebros3 » Fri Aug 01, 2008 7:57 pm

i vote this for STICKY!
'93 Nissan 240SX Champaigne 5 Spd Base
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Postby s-14 » Sun Aug 03, 2008 7:41 pm

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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Postby twastheglow » Mon Aug 18, 2008 2:15 pm

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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Postby ImporT-ProphetZ » Tue Sep 23, 2008 6:25 pm

good stuff!!!!
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Postby dppflyinhawaiian » Fri Sep 18, 2009 1:26 pm

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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Postby nissanfanatic911 » Thu Apr 01, 2010 9:57 am

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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Postby Jordan Gladman » Thu Apr 01, 2010 11:24 am

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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