question about 1JZ wiring

bobiseverywhere

bobb'n for money
Apr 1, 2005
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Montreal
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I have a Tranny from my 7M-GTE

I can get my hands on a Auto 1J is there extra wiring that needs to be done or parts changed to use the R154 from my 7M and make it work with that Engine. other then the 1J bell housing. Or can i just slap the tranny on and everything will be fine?
 

mattjk

Permanent Ban
May 18, 2006
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couple of issues. You'll need to short the park switch wires so the car will start. If you have tems and abs, it may not work with the new ecu (I could be wrong with these two, Aaron or Jose would know better).

Other than that, should be fine.

Is it a supra engine or Soarer? If it is a Soarer, don't get it because you'll need a different sump, etc.
 

935motorsports

Active Member
Mar 30, 2005
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Soarer 1J drops in, actually.

You don't have to short anything, you just re-direct the IG2 wire on the dash connector. Then it will start right up. There will be no neutral start switch then, though.

But at the end of the day, minus a couple of little things, it will work. Lots of 5 spd swaps are running around on AT ecus.