Originally posted by baxsom
i know this is bringing up an old post but i wanted to make sure i understood a part of the wiring diagram for the fuel pump. it says to cut a74 white/red at ecu and connect at fuel pump relay outlet. am i correct in assuming that when you cut the wire you are hooking it up to the MS at point# 37 on the board while leaving it cut at the ecu so the the MS is controlling the fuel pump now? will the ecu recognize that the line is cut or can i just tape off the cut end of the red/white wire at the ecu and call it good

Exactly, this puts the FP under MS control...

In reality though you can leave it under control of the stock pcm, either way works.
And the stock pcm has no way of knowing that you cut the wire. ;)

I'm going to re-do the wiring diagram this week, maybe today to make it easier to understand. ;)