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Thread: Idiots guide to a 1jz conversion into a MA70 bodied supra.

  1. #16
    Junior Member Backyard Mechanic ndgcpr's Avatar
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    Default Re: Idiots guide to a 1jz conversion into a MA70 bodied supra.

    Quote Originally Posted by urantia
    Just to fill you in, my supra has different body loom plugs to both the pre and post 89 ma70s. Not only are the plugs different (as in pin count and size) but the wire colors are also different. So to work out functions requires tracing out the wires and figuring out it's function.
    Heya buddy i also had alot of trouble in my Gz10. do they look like this as i had to trace most of mine. SO i have them, if you can't find the yellow/green water temp wire mine was blue. Check the wire with a multimeter and mine read 5V with no load then as you added resistors to drop the voltage the digi gauge reads higher.

  2. #17
    Junior Member Domestic Engineer urantia's Avatar
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    Default Re: Idiots guide to a 1jz conversion into a MA70 bodied supra.

    ndgcpr, yeah i'd say that's the b1 plug in your pic, yeah mine is like that, altho it takes 3 big wires with the addition of 3 more wires along the top, and yeah i do believe when i traced the water temp on the old engine it ended up in that plug and it was a light BLUE wire aswell!!

    So you may possible have the same body loom plugs.

    One thing i found out from my ECU computer part number was it was used in supra's and soarers between a narrow time period which may relate to the plugs they used in that short time.

  3. #18
    Junior Member Backyard Mechanic ndgcpr's Avatar
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    Default Re: Idiots guide to a 1jz conversion into a MA70 bodied supra.

    well this is mine from my z10 plug. this is pratically the only plug i had for the car, although one of the ECU plugs was part of the car loom not the engine loom (so i wired the speed sonsor, Main relay, COR and engine light off that plug).

    Hope it helps

    EDIT: this is the MALE end of it

  4. #19
    Junior Member Domestic Engineer urantia's Avatar
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    Default Re: Idiots guide to a 1jz conversion into a MA70 bodied supra.

    Well pretty well all those functions are the same as my identifiable b1 plug, but less pins by the looks of it.

    I'd be curious as to what your body loom plug looks like that carries all the dash informatoin etc

  5. #20
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    Default Re: Idiots guide to a 1jz conversion into a MA70 bodied supra.

    updated again pictures tomorrow (sorry about the lack of no photos)

    rattlehead u might find some photos funny, considering the room i had lol!

  6. #21
    Junior Member Backyard Mechanic ndgcpr's Avatar
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    Default Re: Idiots guide to a 1jz conversion into a MA70 bodied supra.

    Quote Originally Posted by urantia
    Well pretty well all those functions are the same as my identifiable b1 plug, but less pins by the looks of it.

    I'd be curious as to what your body loom plug looks like that carries all the dash informatoin etc
    That is most of the dash info there, my tacho that needed a booster was wired in the actual engine bay, my speedo is mechanical. the only other plug i have at the ecu that is part of the car is that plug i showed and the 24 pin ECU plug, that was all there is. everything else was wired in the engine bay, my car is pretty much running with both the old and new looms in use.

  7. #22
    Forum Member 1st year Apprentice
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    Default Re: Idiots guide to a 1jz conversion into a MA70 bodied supra.

    Quote Originally Posted by 2DRFT
    updated again pictures tomorrow (sorry about the lack of no photos)

    rattlehead u might find some photos funny, considering the room i had lol!
    Hey Casey...I KNOW!!!
    I don't think u could tell exactly how shocked and suprised I was when I saw your 'workshop' and how on earth you managed to get all this done.

  8. #23
    Xistant
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    Default Re: Idiots guide to a 1jz conversion into a MA70 bodied supra.

    heheeh rattle, when theres a will theres a way,

    and i guess i found it

    anyways i'll post up more photos tomorrow (sunday) and some more writing

    found the photos about 30mins ago,

    oh theres a video too

  9. #24
    Junior Member Domestic Engineer urantia's Avatar
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    Default Re: Idiots guide to a 1jz conversion into a MA70 bodied supra.

    come on 2DRFT, waiting for the next installment don't get lazy.

    If you need me to host anything let me know. (pics video etc)

  10. #25
    Xistant
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    Default Re: Idiots guide to a 1jz conversion into a MA70 bodied supra.

    might actually need you to host some photos for me,
    haven't been lazy, just been typing it up in word instead so you can downloadit all and save the space...

    pm ur msn or something

  11. #26
    Junior Member Domestic Engineer urantia's Avatar
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    Default Re: Idiots guide to a 1jz conversion into a MA70 bodied supra.

    nah i was kidding your not lazing out.

    I added u to my MSN awhile ago you never seem to be on, might have you confused with someone else. Anyway my msn is: [email protected]

    or e-mail what you want hosted and i'll send you the links to them. (e-mail [email protected])

  12. #27
    Xistant
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    Default Re: Idiots guide to a 1jz conversion into a MA70 bodied supra.

    Quote Originally Posted by urantia
    nah i was kidding your not lazing out.

    I added u to my MSN awhile ago you never seem to be on, might have you confused with someone else. Anyway my msn is: [email protected]

    or e-mail what you want hosted and i'll send you the links to them. (e-mail urantiac[email protected])
    im online now, just added you, just send me a msg on msn, cos i can't find you lol

  13. #28
    Junior Member Domestic Engineer urantia's Avatar
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    Default Re: Idiots guide to a 1jz conversion into a MA70 bodied supra.

    Ah dam @ work, no MSN. send me an e-mail, or i'll get on MSN as soon as i get home.

  14. #29
    Xistant
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    Default Re: Idiots guide to a 1jz conversion into a MA70 bodied supra.

    ok ive added some photos but i think i will have to write this up in a pdf format, inc photos as theres no way i could fit 300+ photos in here, and i couldn't be fubared making 30posts lol!!!

    anyhow check theses photos out, and giev me a couple of days or so to write this up in my spare time.


    regards,
    Kc

  15. #30
    Xistant
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    Default Re: Idiots guide to a 1jz conversion into a MA70 bodied supra.

    Quote Originally Posted by urantia
    Ah dam @ work, no MSN. send me an e-mail, or i'll get on MSN as soon as i get home.
    Urantia, i believe you were looking for pinouts???

    here is the complete 7m and 7MGTE supra pinouts plus extras, u'll find the wiring for the JZA70 from the soarer bible... search on here or ask around majority of people have it,


    http://www.cygnusx1.net/supra/library/TSRM/


    regards,
    Kc

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