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The mkiv Supra Owners Club

Help! 1JZ - 2JZGE Wiring Diagram


Ohshi7
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Hey guys, i have started working on my 95 Supra, Basically im looking for a wiring diagram to re-pin my 1jz harness into my 2jzge body harness. I know it has been done before but i can't seem to find anything on any of the forum sites or if i do it usually has been deleted. If anyone would be able to help that would be incredible as im trying to finish the car up as urgent as possible.

 

 

Thanks

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  • 2 weeks later...

Okay so I'll write them down on what I have done so far and if anyone wants to correct me please do so

(Legend G(grey) O(orange) W(white) P(pin) )

1jz orange plug

1j P1 - 2jP21

1jP2 - 2jGP17

1jP4 - 2jGP5

1jP5 - 2jGP6

1jP6 - 2jP8

1jP2 - 2jP2

1jP8 - 2jP28

1jP9 - 2jP25

1jP11 - Unknown

1jP18 - Unknown

1jP19 - 2jP6

1jP20 - 2jP25

1jP23 - 2jP33

 

1jz Grey plug

1jP1 - Unknown

1jP2 - 2jGP25

1jP3 - unknown

1jP4 - unknown

1jP5 - unknown

1jP6 - unknown

1jP7 - unknown

1jP9 - 2jGP19

1jP10 - unknown

1jp11 unknown

1jp12 unknown

1jp13 unknown

1jp15 unknown

1jp16 unknown

1jp17 unknown

1jp18 unknown

1jp19 unknown

1jp20 Unknown

1jp21 unknown

1jp23 - 2jGP18

1jp25 - 2jGP25

1jz Grey plug #2

1jp1 - 2jp3

1jp - 2jp11

1jp6 - 2jp4

1jp7 - 2jGP11

1jp11 - 2jp13

1jp12 - 2jp23

1jp13 unknown

1jp16 - 2jp14

1jz grey plug #3

1jp1 - 2jGP8

1jp2 unknown

1jp5 - 2jp34

1jp6 unknown

1jp7 unknown

1jp8 unknown

1jp10 - 2jGP1

1jp11 - 2jp32

1jp14 - 2jGP4

 

- - - Updated - - -

 

So maybe a little more then 10... My bad

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So has anyone been able to crack the code yet?

 

Those numbers mean nothing to me I am afraid. I recently did a 1uz conversion into a 2jz gte, ok not the same I apreciate, but principle the same. Using the 1uz ECU pinout and the details in the Wilbo666 link I was able to wire the whole thing and that was without half of the connectors from both the 1uz and the 2JZ, so assuming you have pinouts for both models you should be able to cross reference what goes where. If you have all the connectors from both cars it should be even easier.

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