3.4 Swaps The 3.4 V6 Toyota engine

anyone still making 3.4 swap wiring harnesses?

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Old 09-09-2010, 01:47 AM
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anyone still making 3.4 swap wiring harnesses?

what the title says lol. im looking through threads and this wiring is making my head spin. yes im a noob to engine swaps and i would rather pay somebody for a made harness. mainly because i have limited time to get the thing running when i do the swap and having the harness there ready would save me allot. i keep reading " o its easy change a couple plugs and go" then i read how hard it is? i see pics of wires everywhere and its just confusing me like no tomorrow. so yeah can somebody point me in the right direction? really appreciate it

and i searched and couldn't get a strait answer. i know sombody did or still does make them?

if i get some help then i will try and mike this thread worth while and helpful for future events like mine

oyah it would be to fit a 91 4runner with 3vze hooked up to a 5speed without A/C.

thanks a bunch

Last edited by 91_TOYOTA_4x4; 09-09-2010 at 01:49 AM.
Old 09-09-2010, 04:02 AM
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Try here http://www.phoenixtuning.com/
Old 09-09-2010, 04:12 AM
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Toyota only swaps

Old 09-09-2010, 05:33 AM
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I understand what you are saying about seeing pictures of wires everywhere and getting overwhelmed and having the doubt creep in. Honestly though, it isn't that hard. I would at least try it yourself and THEN pay someone else to do it for you.
Old 09-09-2010, 12:25 PM
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cool sight Mister2, maybe i will shoot them an email

toyota only swaps? lol


"I understand what you are saying about seeing pictures of wires everywhere and getting overwhelmed and having the doubt creep in. Honestly though, it isn't that hard. I would at least try it yourself and THEN pay someone else to do it for you." - i hear you and i know i could figure it out, but i cant have the 4runner sitting for a week or more while i try and piece the wiring together you know? if i get all the parts ready so i can drop it in and plug in the wiring then i can have it in in 4 days tops wish i had more time to figure it out myself but i really dont lol. unless somebody on here can get me a super freakin awesome picture related splicing and "what go's here" information?
Old 09-11-2010, 06:07 PM
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i agree with dntsdad. i wanted as little down time as possible so i got everything ready and then studied wiring diagrams till i figured it out. it was my first attempt at it but once i sat down and did it it only took a few hours to make my own adapter harness. it woulda been alot less but i checked and rechecked and rechecked again cause i doubted myself so bad but id do it again in a heartbeat over spending the hundreds of bucks payin for it... just dive in and do it
Old 09-11-2010, 06:36 PM
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yeah i hear you but im really cant afford to just jump into it and hope i figure it out because i have to work and what not and i need it as my DD so it would be much better in my situation to have a perfect wiring harness and get it dont in a weekend. i have been talking with sam4runner and he might build me one for a decent price so we will see how it goes!
Old 09-11-2010, 06:50 PM
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it can easily be done in a weekend if you have everything ready. but then i got the whole donor so i was pretty set up too
Old 09-11-2010, 06:56 PM
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yeah having a donor would help allot lol. i got a guy who is going to give me everything for the swap for about $1000. 3.4, wiring, ecu, pwr steering pump exc... then get sam4runner to build me the wiring harness and toss it in on a weekend . later on i will learn how to build them myself but im only 18 so im not amazing at this stuff yet
Old 09-13-2010, 04:56 AM
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well dont let it scare you. i was only nineteen when i did a 4.3 tbi swap. but you may wanna consider buying the cross over pipe. that was the biggest time consumer for me and i ended up buying one anyways. and it will fit with the motor installed but its not so fun.
Old 09-13-2010, 12:33 PM
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yeah i know i can probs figure it out . crossover wasn't my concern since i was going to buy headers right off the bat . funny im actually thinking of going 4.3 now. damn 3.4's are so expensive and impossible to find the parts i need. So it looks like im running the 3vze longer and SASing .

here's the build thread at the moment - https://www.yotatech.com/forums/f199...-build-219449/
Old 09-28-2010, 08:22 PM
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I make a stand alone harness for a 3.4 L, you would just have to hook up a few wires, such as tach, CEL, for your specific vehicle.. http://www.nffab.com
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