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This auction is for one set of wiring instructions with diagrams for one 1uz-fe toyota V8 standard ECU. This covers one early non VVti ECU or one of the later VVti engine ECU.


Over the last 12 years I have wired hundreds of 1uzfe lexus engines and written up my own notes and diagrams. I spend alot of my day fixing incorrectly wired vehicles. Often they dont idle correctly , have the fuel pump running all the time and other nasty stuff. I have now taken the time to write up my notes so others can understand them. There are still a few hand written ones in there on some models

I have already sold alot of these , mainly to auto sparkies that see the value in getting the correct information the first time. The internest is full of diagrams and ways of wiring these engines an most of them are wrong. Some ecus have the same header plug with different pinouts

As there are around many variations of ECU on the 1uz-fe engines I will need to know the ECU number once you have purchased the diagrams. Plug configuration is helpful and loom number if you have it.

You will need some electrical knowledge and be able to correctly use a test light and multimeter. Continuity testing will be needed.

These instructions are sold on a one use basis and not to be onsold or passed on in any form. They are written for wiring a loom which is standard (untouched) and not already played with.They do not contain any diagnostic elements. If you already have a 1uz which has been wired wrong and you are trying to fix it you need my diagnostic set.

I also supply some backup support via email or phone with these instructions.

Note - I will need your ECU number to supply the exact set which you require.

If you want someone to wire your loom for you I do provide a mail order service. Send me your loom and ill wire it with all required parts for $1500(early loom, standard setup) Easy hookup and all tested with scan tool before sending out
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  • Seller location: Tokoroa/Putaruru, Waikato, NZ

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