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  1. MKIII Technical
    So im trying to tune my mk3, ive got a basemap and a piniout diagram from the harness to the ecu, and ive run into some trouble. A little background on my setup, I'm running a 7mgte, stock coils wired for wasted spark, low impedance 550cc injectors and a custom tweakd harness going into an emu...
  2. General Supra Forum
    Hey I just picked up this pos supra, and I want to fix it up. Its an 1986 mk3 non turbo hardtop. Its running, but I need to replace the output shaft seal so that the trans will actually hold fluid well. Anyway I had it idling today and was checking different functionality. I noticed when I have...
  3. MKIII (1986.5-1992)
    hey guys, searched the threads with no results I hope someone can shed some light on the wiring for the key ignition switch. I'm installing this aftermarket switch panel and while can see each wire and where it goes I'm not sure which wires I no longer need. as there are 2 start (st1 &st2) as...
  4. General Supra Forum
    Hey there I have currently done my 2jzgtevvti swap into my mk4 supra which was originally 2jzge nonturbo and now i am looking for a ecu and wiring for it i am located in newzealand and buying brand new ecu itself here costs nearly 3-4k so if anyones got a second hand ecu which is prefectly fine...
  5. MKIV Technical
    Hey there is there any shops or someone that can make the wiring for my aristo gte vvti swap? I am keeping it auto and want to keep the ecu in the engine bay just like it is in the v300 aristo also i am using the ecu that came with the aristo preferably in newzealand please cheers
  6. MKIII (1986.5-1992)
    Hey I bought a knock off bee r rev limiter, I'm almost 100% the wiring is correct, I looked up a pinout for the 88 ge ECU and got the ignition and all that hooked up. This limiter looks like it's trying to do its job but it's not, is that cause it's a cheap Amazon knockoff? I'll let the video...
  7. MKIII (1986.5-1992)
    Hello all, it seems as though I’ve gotten myself into quite the pickle so I’m looking for some external insight to my problem. I’ve got a few things I’m looking to know and based off of a few threads I’ve read through my questions have yet to be answered. 1) between the drift motion digital CPS...
  8. MKIII Technical
    As the title suggests, none of those said lights above are working. I have checked the main fuses and relays and they all seem to be working properly, but the lights are not. Some of the said lights have been swapped over to LEDs so I’m wondering if I may have overloaded something. Where should...
  9. 1JZ/2JZ Swap
    Hey, I have a 2jz-ge-t swapped mk3 supra and the only gauge that works is my fuel level and speedo. What do I have to do to get the tach, temp, and oil pressure gauges to work? I’m currently swapping for a different cluster to see if that might help, but I’m open to suggestions on stuff to do...
  10. MKIII (1986.5-1992)
    I’ve been trying rebuild this car back and I’m noticing that this connecter is loose, but the place it should’ve connected to seems to be broken I’m unsure what this is and I just need to know what it does or how to fix it!
  11. MKIII (1986.5-1992)
    I’ve been trying to diagnose an issue with my car. I’m running an ECU master Classic on a 2jz-ge-t swapped into my mk3 Supra, still using the 7m wiring harness. I got the car put together after getting my head rebuilt and got it all running for a couple days. While I was driving one day, my car...
  12. MKIV (1993-1998)
    Can someone please help me with wiring in the Haltech flex fuel sensor on single turbo series 1 2jz-gte non-vvti? I have it installed but have no idea how the wiring works with attaching it to a 5volt sensor. Do I just bridge into any 5volt sensor in the engine bay, harness, or directly into...
  13. MKIII (1986.5-1992)
    Okay so I'm new to this and before I get flamed for "not using the search button" I haven't found any topics regarding my specific question. I have an EMU black with a prewired harness connector for the stock harness. I have added a walbro 255 fuel pump and 550cc injectors i am also upgrading...
  14. MKIII (1986.5-1992)
    This is for people who can make p&p harnesses. I have an auto 1jz vvti in putting in my 90’ mk3. I haven’t found any companies who offer auto harnesses capable of hooking up to a standalone. Is there anyone on here that may be able to do that?
  15. MKIII (1986.5-1992)
    So the previous owner had cut these wires from the slipring (84315-14070) to install an aftermarket steering wheel. Does anyone have the part number for the connector, so I could just solder on longer wires? Or a better idea? Looked high and low, the slipring itself is not stocked anywhere.
  16. MKIII (1986.5-1992)
    I am currently attaching all of my connectors and grounds on my '87 turbo and I am assuming that these two wires are grounds but they have a wire inside of the outer wire. I don't know what I should do with these wires now, any advice and tips as to what I need to do? I am very new to electrical...
  17. 2020+ Toyota Supra General Discussions
    hey guys. I'm in desperate need to find out which wires are which coming from the head unit to the amp in the rear of the 2020 model. I believe I have found a much easier and cheaper way to add an amp and additional subs into this car than what I'm seeing posted in most forums. However using the...
  18. MKIV (1993-1998)
    I'm currently doing a 1.5 jz swap and I wasn't sure what to do for ecu management. I'm trying to stay budget so I was looking at stock ecu options. I was wondering if I could use a jdm aristo 2jz gte harness and ecu on a non vvti 1jz head or a 1jz harness with a 2jz ecu with minimal modding. Ive...
  19. MKIV DIY / How-To Threads
    Hey guys i bought a 94 N/a auto yeah yeah i got it for 8600. Anyway im turboing it and i got an Ecumaster emu classic with the pnp kit. They told me i would have to wire in parallel with stock ecu so that way it could keep control of the transmission. I have never done this stuff before and i...
  20. MKIII Technical
    So when I was doing repairs I noticed the wires on green connector were practically non-existent (worn out I guess) I am looking to replace the part but for the mean time I am probable just going to butt connect the wires so that the car will actually be able to run - I was wondering if anyone...
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