411 PCM MIL Circuit & Serial Data Wires

[kewljay223]

+1 above. worked perfect for me. im sure you have gone through the site but just in case heres a couple links that will help

this is how to hook up your ob2 connector http://lt1swap.com/fuseblock_obd2port.html

this proves pin 58 on BLUE connector is dk green for the serial data http://lt1swap.com/2000harness.htm

and this is for all other pin outs for 99-02 pcm's (since yours is an 01' correct?) http://lt1swap.com/99-02_vortec_pcm.htm