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 VH45DE to Z32 Complete Wiring Integration Document
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npez



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7 posts
1993 Nissan 300ZX Turbo (soon 2B twin-turbo 450ZX) 2002 BMW M3 2008 Honda Odyssey Touring (Mama)
Houston TX
8-30-2007

  VH45DE to Z32 Complete Wiring Integration Document


Hello Everyone,

This is my first post contributing versus consuming the fantastic information I find here on NICO. I had not found any document like the one I created so after countless hours of pouring over electrical schematics, multimetering physical connections and transcribing hand-written notes to put this all together I thought I would post it for public consumption.

The document on the link below is a complete cross reference (source->destination) of all the wiring conversion/integration necessary to get a VH45DE into a Z32. Many Nissans are wired in a similar fashion so others may find this document useful as well. This document is intended to be a starting point, so any suggestions on how to improve are always greatly appreciated! Think of it as a Request for Comments (RFC) at this stage.

I am hosting this document on my servers so any changes incorporated will be placed in that document. This way we can have a "single source of truth" versus an attachment that can become outdated.

Caveat: I am waiting for craigztoys (hint-hint) as he's fabbing up my engine mounts and oilpan. With that said the wiring harness has not been tested. Craigztoys is also reviewing this document against his conversion with a 90 motor and we'll make updates as feedback becomes available. I will do the same when the motor is in my Z.

I hope you find this document useful and maybe it can save you the hours of work I put into it!

Good Luck with your projects!

Nick.

http://www.b2b-now.com/vh45det...g.pdf



1993 300ZX Twin-Turbo soon to be 450ZX Twin-Turbo (Oxford Gray)
2002 BMW M3 (Imola Red)
2008 Honda Odyssey Touring (Hey the kids have to ride somewhere!)

AZhitman
CEO



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40335 posts
03 G35C, 93 S13 Vert KA-T, '72 240Z, '63 NL320, '67.5 SPL311, '69 SRL311, '70 SPL311 (x2), '00 Front
Phx, AZ
4-29-2002

 « 


Nick, that's simply amazing!!!!

You get my vote for n00b of the year... Glad to have you aboard!!!



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craigztoyz



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243 posts
90 300ZX VH45 95 J30 90 rx7 95 2500 4X4 suburban
Austin TX
1-18-2008

 « Re: VH45DE to Z32 Complete Wiring Integration Document (npez)


Thanx Nick. I went over it earlier, and looks all correct.
I second the Noob of the year award.

Trust me guys, we have been chatting for a few weeks about this, he has a lot of time in the wiring. He did an amazing job.
Soon there will be 2 450ZX's within a hundred or so miles. i fortell awsome videos in the future.

Again, Thanx nick.

craigztoyz



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243 posts
90 300ZX VH45 95 J30 90 rx7 95 2500 4X4 suburban
Austin TX
1-18-2008

 « Re: VH45DE to Z32 Complete Wiring Integration Document


Nick, Oh yeah, I like the disclaimer you threw in, and gotta say the how to read this, sure makes it easier to read. Thanx again for all the leg work.
T45



Online

902 posts
King Kong powered Z32
va beach va
6-9-2006

 « 


Awesome work! There are a few mental notes I will add and these are all IIRC.

In the fsm's it lists 2 wires for the fpcu on the Z. My z only had 1. 90 na 2+2 Don't remember the color.

There are fan relay outputs from the Q ecu listed in the fsm. My 92 ecu did not have these. I believe infiniti added this feature to 94+. The early Q's have a thermoswitch in the radiators for fan activation.


npez



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7 posts
1993 Nissan 300ZX Turbo (soon 2B twin-turbo 450ZX) 2002 BMW M3 2008 Honda Odyssey Touring (Mama)
Houston TX
8-30-2007

 « Re: VH45DE to Z32 Complete Wiring Integration Document (npez)


Thank you everyone for your kind words.

Craig: Yeah I put the extra narrative at the top and notes, etc. on the bottom before posting the document as you and I have talked about this but it would be difficult for someone reading it for the first time. I fixed the typo on line C that you sent me (long nights) and will be posting the update v2.1 shortly. As for the disclaimer I had to put it in there because while the document makes it easier it's not meant to be a "how to re-wire your car for dummies" - like they say if it was easy everyone would be doing it!

T45: Thank you for the feedback. I had added a bit about the fuel pump on the normaly aspirated Zs but it's buried at the bottom under "notes" (maybe I'll bring it to the top) - I don't believe they used variable fuel pressure so they aren't equipped with that feature (it's actually shown as a whole different setup on the 11x17 wiring diagram supplement that I have). If I'm misunderstanding you let me know and I can update accordingly. As far as the Q45 is there anyway you can elaborate on the thermoswitch (wire color - basic diagram if possible and PM it to me) and I can incorporate this new information into the document (Giving you credit of course - I'm going to add a credits section to the doc).

Once again thanks to everyone.

Nick.



1993 300ZX Twin-Turbo soon to be 450ZX Twin-Turbo (Oxford Gray)
2002 BMW M3 (Imola Red)
2008 Honda Odyssey Touring (Hey the kids have to ride somewhere!)

 

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