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so i found a 7mge (non turbo) and i want to rebuild it and replace my tired 5mge (i have an 83 supra) but i was wondering about the wiring can i plug it in to the wiring for the 5mge and just swap computers or do i have to replace the wiring harness and all that. Also i recieved a W58 transmission that also came out of a mk III supra, can i replce my transmission with that(my second gear will sometimes grind, sencro is warn). just wondering what im getting myself into.
 

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You need the harness for the 7M, along with some other changes.
W58 will sit to far back, but you can swap your shifter parts over to the MA70 W58.
 

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Donn means use the shifter plate and internal shifter arm from stuffed box and put in the newer one,(if it confused you) while you have the box apart check the worm gear is the same that drives the speedo and the worm wheel aswell.:thumbsup: if they are different change to , from old box to the new box. ENJOY!
 
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