7 wires left then I can start. HELP

[RedHeartbeat]

#58 blue is typically green and it's the serial data line from the obd2 connector under the dash board.

#50 red is a green/wt vehicle speed sensor

#59 blue is not connected anywhere I have seen before

#49 Red is not used anywhere

#48 blue is MAP sensor 5V reference signal

Are you sure this is a truck harness from a 2000? The pinout above don't match a 2000 PCM in many spots for some reason. Did someone repin this thing?

go to this website for LS1 wiring harness diagrams and further information.

http://ls1tech.com/forums/showthread.php?t...002+pcm+pin+out

[BEATERTRUCK]

Purple and the yellow wire are coming from the tail shaft of the tranny .
Where do I hook them up.

VSS out to speedo? The 4K right?

It may be 1999 wiring. Im just going by what I was told.