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-   -   Wiring connector questions, pre-89 and 89+ transmisisons (http://www.toyota-supra.info/forums/mkiii-supra/21640-wiring-connector-questions-pre-89-and-89-transmisisons.html)

mirage83 03-19-2017 10:52 PM

Wiring connector questions, pre-89 and 89+ transmisisons
 
Got a question I'm having difficulty finding an answer to. Are there any differences in the wiring connections between pre-89 and 89+ automatic transmissions? I've got an '88 and have a transmission out of an '89 available if all the connection will plug up right. Thanks in advance for any information on this.

btwilson86 03-28-2017 03:17 AM

As far as I know, the transmission wire connections are the same (as long as you're sticking with the same transmission; a340e, w58, r154). I can't say that with 100% certainty, but I can't say I've come across any transmissions that didn't connect to the wiring harness correctly.

mirage83 03-28-2017 11:59 PM

Excellent. I much appreciate that information, as I've been waiting to swap transmissions until I had at least some confidence that the wiring connections are the same on both. Thanks for chiming in.

mirage83 05-10-2017 12:58 AM

Quote:

Originally Posted by btwilson86 (Post 107621)
As far as I know, the transmission wire connections are the same (as long as you're sticking with the same transmission; a340e, w58, r154). I can't say that with 100% certainty, but I can't say I've come across any transmissions that didn't connect to the wiring harness correctly.

Just wanted to follow up with you on this, as there is indeed no wiring difference that I could find. Plugs right in. Now, the extension housing (tailshaft housing) is different as the speedometer plug is on the opposite sides of the housing, and the shift rod is different, but wiring is the same.


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