NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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-   -   wiring harness interchangeable? (https://www.nopistons.com/2nd-generation-specific-17/wiring-harness-interchangeable-63477/)

jdm12a 01-05-2007 12:04 PM
alright so heres the deal, i picked up an s4 turbo motor for my 10ae and it has the main ecu wiring harness, but the shell i have doesnt have the other 2 harness', the small left side one, and the massive dash one. and i have an 86 gxl with all the wiring still, and im wondering if i can use the wiring from the gxl into my 10ae. again, not the main one that clips into the ecu. sry to sound so stupid i jus have never dealt with wiring harness' b4, and im not really 100% positive what each one does. thank u for all the help and clarity on this situation

jdm12a 01-05-2007 12:15 PM
Originally Posted by jdm12a' post='851746' date='Jan 5 2007, 10:04 AM

alright so heres the deal, i picked up an s4 turbo motor for my 10ae and it has the main ecu wiring harness, but the shell i have doesnt have the other 2 harness', the small left side one, and the massive dash one. and i have an 86 gxl with all the wiring still, and im wondering if i can use the wiring from the gxl into my 10ae. again, not the main one that clips into the ecu. sry to sound so stupid i jus have never dealt with wiring harness' b4, and im not really 100% positive what each one does. thank u for all the help and clarity on this situation


basically anyone who has put a tII motor into an n/a rx7, did u have to change out all the wiring harness or jus the main ecu one?

j9fd3s 01-05-2007 05:02 PM
i think the dash one is different by like 4-5 pins, something really minor


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