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-   -   Transmission wiring on 700R4 (http://www.hotrodders.com/forum/transmission-wiring-700r4-217903.html)

jerry nance 04-07-2012 01:12 PM

Transmission wiring on 700R4
 
Hi, I have an 86 Chevy Silverado and the plug for the transmission (the 700R4) got cut off. I have been looking for one. I found a 1989 Surburban with the plug. The color codes are not the same. My wiring harness has two greens and a blue wire and the one I found at the yard has a blue, yellow and a brown w/a black streak. I would like to know how to hook this wire into my wires to get the color right to make my locking converter work.


Jerry Nance

SSedan64 04-07-2012 07:21 PM

Quote:

Originally Posted by jerry nance
Hi, I have an 86 Chevy Silverado and the plug for the transmission (the 700R4) got cut off. I have been looking for one. I found a 1989 Surburban with the plug. The color codes are not the same. My wiring harness has two greens and a blue wire and the one I found at the yard has a blue, yellow and a brown w/a black streak. I would like to know how to hook this wire into my wires to get the color right to make my locking converter work.


Jerry Nance

AutoZone has wiring diagrams, you have to sign up to view them.
The Blue is 12V+ from the brake switch, Greens are probably 4th Pr. switch & -Ground from ECM or 3rd Pr. switch.
These may help:
http://www.hughesperformance.com/pdfs/HP700-R4.pdf
http://www.rowand.net/Shop/Tech/LockupTCCWiring.htm


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