PLEASE HELP!!! LS swap 5.3/4l80e/bw4401 4x4. NO START ISSUE!!! built the harness via instructions from lt1swap.com, pcm is hptuners with vats, egr, secondary o2's programmed out. new install, does crank over, fuel pump is pressuring up for 2 seconds then off, checked crank sensor, have voltage and AND ground, tested sensor it is working, checked voltage and ground at cam sensor it is fine. checked all ground on block, and heads. checked i DO HAVE 12v during cranking, i have 12v at ignition coil harness pink wire but no spark at spark plugs. pcm red connector c2 pins 26-29 and 66-69 do not have power with key on. those are the pcm to ignition coil control wires... PLEASE HELP!!! thank you in advance for your time.