I recently discovered the "Modification Plus" manual that documents factory authorized fuel system modifications to 1973 240z.

This manual refers a number of times to the prior "V-3 Modification Program."

Is there a factory manual for the V-3 Modifications?

I am specifically interested in finding a wiring diagram for the Relay A and Relay B fuel pump relays.

Thanks!!!

This thread might be of some help:

 

Mark Maras posted this. It was printed by the factory

http://xenonzcar.com/s30/files/1973 240z 1974 260z fuel system modifications.pdf

Here's the thread 

 

Thanks for the response, guys!

Mark, I have read the document you posted the link to. That is where I encountered the references to the prior V-3 Modifications.

 

 

@JackT Check out page nine. It has a description and the part #s used in the V-3 mod. Relay A-25235-PO100. Relay B-25230-89915