Quote Originally Posted by sfgiants415 View Post
Hello there. I seem to be having the exact problem on my truck. I am getting the P2534 and P0700 .Can you please tell me where the E38 Black connector pin #59 is and how I should wire it to turn on the relay for the trans on?

Thank you!
Hello, take a look o this page.

https://www.lt1swap.com/E38%20ECM%20...%20Pinouts.htm

This wire will output ground to activate the relay,